diff --git a/adapters/alkimi/alkimi.go b/adapters/alkimi/alkimi.go
new file mode 100644
index 00000000000..f0979c3a809
--- /dev/null
+++ b/adapters/alkimi/alkimi.go
@@ -0,0 +1,192 @@
+package alkimi
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/prebid/prebid-server/v2/errortypes"
+	"github.com/prebid/prebid-server/v2/floors"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+
+	"github.com/prebid/openrtb/v19/openrtb2"
+	"github.com/prebid/prebid-server/v2/adapters"
+	"github.com/prebid/prebid-server/v2/config"
+	"github.com/prebid/prebid-server/v2/openrtb_ext"
+)
+
+const price_macro = "${AUCTION_PRICE}"
+
+type adapter struct {
+	endpoint string
+}
+
+type extObj struct {
+	AlkimiBidderExt openrtb_ext.ExtImpAlkimi `json:"bidder"`
+}
+
+// Builder builds a new instance of the Alkimi adapter for the given bidder with the given config.
+func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
+	endpointURL, err := url.Parse(config.Endpoint)
+	if err != nil || len(endpointURL.String()) == 0 {
+		return nil, fmt.Errorf("invalid endpoint: %v", err)
+	}
+
+	bidder := &adapter{
+		endpoint: endpointURL.String(),
+	}
+	return bidder, nil
+}
+
+// MakeRequests creates Alkimi adapter requests
+func (adapter *adapter) MakeRequests(request *openrtb2.BidRequest, req *adapters.ExtraRequestInfo) (reqsBidder []*adapters.RequestData, errs []error) {
+	reqCopy := *request
+
+	updated, errs := updateImps(reqCopy)
+	if len(errs) > 0 || len(reqCopy.Imp) != len(updated) {
+		return nil, errs
+	}
+
+	reqCopy.Imp = updated
+	encoded, err := json.Marshal(reqCopy)
+	if err != nil {
+		errs = append(errs, err)
+	} else {
+		reqBidder := buildBidderRequest(adapter, encoded)
+		reqsBidder = append(reqsBidder, reqBidder)
+	}
+	return
+}
+
+func updateImps(bidRequest openrtb2.BidRequest) ([]openrtb2.Imp, []error) {
+	var errs []error
+
+	updatedImps := make([]openrtb2.Imp, 0, len(bidRequest.Imp))
+	for _, imp := range bidRequest.Imp {
+
+		var bidderExt adapters.ExtImpBidder
+		var extImpAlkimi openrtb_ext.ExtImpAlkimi
+
+		if err := json.Unmarshal(imp.Ext, &bidderExt); err != nil {
+			errs = append(errs, err)
+			continue
+		}
+
+		if err := json.Unmarshal(bidderExt.Bidder, &extImpAlkimi); err != nil {
+			errs = append(errs, err)
+			continue
+		}
+
+		var bidFloorPrice floors.Price
+		bidFloorPrice.FloorMinCur = imp.BidFloorCur
+		bidFloorPrice.FloorMin = imp.BidFloor
+
+		if len(bidFloorPrice.FloorMinCur) > 0 && bidFloorPrice.FloorMin > 0 {
+			imp.BidFloor = bidFloorPrice.FloorMin
+		} else {
+			imp.BidFloor = extImpAlkimi.BidFloor
+		}
+		imp.Instl = extImpAlkimi.Instl
+		imp.Exp = extImpAlkimi.Exp
+
+		temp := extObj{AlkimiBidderExt: extImpAlkimi}
+		temp.AlkimiBidderExt.AdUnitCode = imp.ID
+
+		extJson, err := json.Marshal(temp)
+		if err != nil {
+			errs = append(errs, err)
+			continue
+		}
+		imp.Ext = extJson
+		updatedImps = append(updatedImps, imp)
+	}
+
+	return updatedImps, errs
+}
+
+func buildBidderRequest(adapter *adapter, encoded []byte) *adapters.RequestData {
+	headers := http.Header{}
+	headers.Add("Content-Type", "application/json;charset=utf-8")
+	headers.Add("Accept", "application/json")
+
+	reqBidder := &adapters.RequestData{
+		Method:  "POST",
+		Uri:     adapter.endpoint,
+		Body:    encoded,
+		Headers: headers,
+	}
+	return reqBidder
+}
+
+// MakeBids will parse the bids from the Alkimi server
+func (adapter *adapter) MakeBids(request *openrtb2.BidRequest, externalRequest *adapters.RequestData, response *adapters.ResponseData) (*adapters.BidderResponse, []error) {
+	var errs []error
+
+	if adapters.IsResponseStatusCodeNoContent(response) {
+		return nil, nil
+	}
+
+	if err := adapters.CheckResponseStatusCodeForErrors(response); err != nil {
+		return nil, []error{err}
+	}
+
+	var bidResp openrtb2.BidResponse
+	err := json.Unmarshal(response.Body, &bidResp)
+	if err != nil {
+		return nil, []error{err}
+	}
+
+	seatBidCount := len(bidResp.SeatBid)
+	if seatBidCount == 0 {
+		return nil, []error{&errortypes.BadServerResponse{
+			Message: "Empty SeatBid array",
+		}}
+	}
+
+	bidResponse := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
+	for _, seatBid := range bidResp.SeatBid {
+		for _, bid := range seatBid.Bid {
+			copyBid := bid
+			resolveMacros(&copyBid)
+			impId := copyBid.ImpID
+			imp := request.Imp
+			bidType, err := getMediaTypeForImp(impId, imp)
+			if err != nil {
+				errs = append(errs, err)
+				continue
+			}
+			bidderBid := &adapters.TypedBid{
+				Bid:     &copyBid,
+				BidType: bidType,
+			}
+			bidResponse.Bids = append(bidResponse.Bids, bidderBid)
+		}
+	}
+	return bidResponse, errs
+}
+
+func resolveMacros(bid *openrtb2.Bid) {
+	strPrice := strconv.FormatFloat(bid.Price, 'f', -1, 64)
+	bid.NURL = strings.Replace(bid.NURL, price_macro, strPrice, -1)
+	bid.AdM = strings.Replace(bid.AdM, price_macro, strPrice, -1)
+}
+
+func getMediaTypeForImp(impId string, imps []openrtb2.Imp) (openrtb_ext.BidType, error) {
+	for _, imp := range imps {
+		if imp.ID == impId {
+			if imp.Banner != nil {
+				return openrtb_ext.BidTypeBanner, nil
+			}
+			if imp.Video != nil {
+				return openrtb_ext.BidTypeVideo, nil
+			}
+			if imp.Audio != nil {
+				return openrtb_ext.BidTypeAudio, nil
+			}
+		}
+	}
+	return "", &errortypes.BadInput{
+		Message: fmt.Sprintf("Failed to find imp \"%s\"", impId),
+	}
+}
diff --git a/adapters/alkimi/alkimi_test.go b/adapters/alkimi/alkimi_test.go
new file mode 100644
index 00000000000..b745f0feb95
--- /dev/null
+++ b/adapters/alkimi/alkimi_test.go
@@ -0,0 +1,57 @@
+package alkimi
+
+import (
+	"testing"
+
+	"github.com/prebid/prebid-server/v2/adapters"
+	"github.com/prebid/prebid-server/v2/adapters/adapterstest"
+	"github.com/prebid/prebid-server/v2/config"
+	"github.com/prebid/prebid-server/v2/openrtb_ext"
+	"github.com/stretchr/testify/assert"
+)
+
+const (
+	alkimiTestEndpoint = "https://exchange.alkimi-onboarding.com/server/bid"
+)
+
+func TestJsonSamples(t *testing.T) {
+	bidder, buildErr := Builder(
+		openrtb_ext.BidderAlkimi,
+		config.Adapter{Endpoint: alkimiTestEndpoint},
+		config.Server{ExternalUrl: "http://hosturl.com", GvlID: 1, DataCenter: "2"},
+	)
+
+	if buildErr != nil {
+		t.Fatalf("Builder returned unexpected error %v", buildErr)
+	}
+
+	adapterstest.RunJSONBidderTest(t, "alkimitest", bidder)
+}
+
+func TestEndpointEmpty(t *testing.T) {
+	_, buildErr := Builder(openrtb_ext.BidderAlkimi, config.Adapter{
+		Endpoint: ""}, config.Server{ExternalUrl: alkimiTestEndpoint, GvlID: 1, DataCenter: "2"})
+	assert.Error(t, buildErr)
+}
+
+func TestEndpointMalformed(t *testing.T) {
+	_, buildErr := Builder(openrtb_ext.BidderAlkimi, config.Adapter{
+		Endpoint: " http://leading.space.is.invalid"}, config.Server{ExternalUrl: alkimiTestEndpoint, GvlID: 1, DataCenter: "2"})
+	assert.Error(t, buildErr)
+}
+
+func TestBuilder(t *testing.T) {
+	bidder, buildErr := buildBidder()
+	if buildErr != nil {
+		t.Fatalf("Failed to build bidder: %v", buildErr)
+	}
+	assert.NotNil(t, bidder)
+}
+
+func buildBidder() (adapters.Bidder, error) {
+	return Builder(
+		openrtb_ext.BidderAlkimi,
+		config.Adapter{Endpoint: alkimiTestEndpoint},
+		config.Server{ExternalUrl: "http://hosturl.com", GvlID: 1, DataCenter: "2"},
+	)
+}
diff --git a/adapters/alkimi/alkimitest/exemplary/simple-audio.json b/adapters/alkimi/alkimitest/exemplary/simple-audio.json
new file mode 100644
index 00000000000..09ac2131a12
--- /dev/null
+++ b/adapters/alkimi/alkimitest/exemplary/simple-audio.json
@@ -0,0 +1,143 @@
+{
+    "mockBidRequest": {
+        "id": "test-request-id",
+        "device": {
+            "ip": "123.123.123.123",
+            "ua": "iPad"
+        },
+        "site": {
+            "domain": "www.example.com",
+            "page": "http://www.example.com",
+            "publisher": {
+                "domain": "example.com"
+            },
+            "ext": {
+                "amp": 0
+            }
+        },
+        "imp": [
+            {
+                "id": "test-imp-id",
+                "tagid": "test",
+                "audio": {
+                    "mimes": [
+                        "audio/mpeg",
+                        "audio/mp3"
+                    ],
+                    "minduration": 5,
+                    "maxduration": 30,
+                    "minbitrate": 32,
+                    "maxbitrate": 128
+                },
+                "bidfloor": 0.7,
+                "bidfloorcur": "USD",
+                "ext": {
+                    "bidder": {
+                        "token": "XXX",
+                        "bidFloor": 0.5
+                    }
+                }
+            }
+        ]
+    },
+    "httpCalls": [
+        {
+            "expectedRequest": {
+                "uri": "https://exchange.alkimi-onboarding.com/server/bid",
+                "body": {
+                    "id": "test-request-id",
+                    "imp": [
+                        {
+                            "id": "test-imp-id",
+                            "tagid": "test",
+                            "audio": {
+                                "mimes": [
+                                    "audio/mpeg",
+                                    "audio/mp3"
+                                ],
+                                "minduration": 5,
+                                "maxduration": 30,
+                                "minbitrate": 32,
+                                "maxbitrate": 128
+                            },
+                            "bidfloor": 0.7,
+                            "bidfloorcur": "USD",
+                            "ext": {
+                                "bidder": {
+                                    "token": "XXX",
+                                    "bidFloor": 0.5,
+                                    "adUnitCode": "test-imp-id",
+                                    "exp": 0,
+                                    "instl": 0
+                                }
+                            }
+                        }
+                    ],
+                    "site": {
+                        "domain": "www.example.com",
+                        "page": "http://www.example.com",
+                        "publisher": {
+                            "domain": "example.com"
+                        },
+                        "ext": {
+                            "amp": 0
+                        }
+                    },
+                    "device": {
+                        "ip": "123.123.123.123",
+                        "ua": "iPad"
+                    }
+                }
+            },
+            "mockResponse": {
+                "status": 200,
+                "body": {
+                    "id": "test-request-id",
+                    "seatbid": [
+                        {
+                            "bid": [
+                                {
+                                    "id": "test_bid_id",
+                                    "impid": "test-imp-id",
+                                    "price": 0.9,
+                                    "adm": "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><VAST version=\"2.0\"><Ad id=\"128a6.44d74.46b3\"><InLine><Error><![CDATA[http:\/\/example.net\/hbx\/verr?e=]]><\/Error><Impression><![CDATA[http:\/\/example.net\/hbx\/vimp?lid=test&aid=testapp]]><\/Impression><Creatives><Creative sequence=\"1\"><Linear><Duration>00:00:15<\/Duration><TrackingEvents><Tracking event=\"firstQuartile\"><![CDATA[https:\/\/example.com?event=first_quartile]]><\/Tracking><\/TrackingEvents><VideoClicks><ClickThrough><![CDATA[http:\/\/example.com]]><\/ClickThrough><\/VideoClicks><MediaFiles><MediaFile delivery=\"progressive\" width=\"16\" height=\"9\" type=\"audio\/mp3\" bitrate=\"128\"><![CDATA[https:\/\/example.com\/media.mp4]]><\/MediaFile><\/MediaFiles><\/Linear><\/Creative><\/Creatives><\/InLine><\/Ad><\/VAST>",
+                                    "cid": "test_cid",
+                                    "crid": "test_crid",
+                                    "ext": {
+                                        "prebid": {
+                                            "type": "audio"
+                                        }
+                                    }
+                                }
+                            ],
+                            "seat": "alkimi"
+                        }
+                    ],
+                    "cur": "USD"
+                }
+            }
+        }
+    ],
+    "expectedBidResponses": [
+        {
+            "bids": [
+                {
+                    "bid": {
+                        "id": "test_bid_id",
+                        "impid": "test-imp-id",
+                        "price": 0.9,
+                        "adm": "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><VAST version=\"2.0\"><Ad id=\"128a6.44d74.46b3\"><InLine><Error><![CDATA[http:\/\/example.net\/hbx\/verr?e=]]><\/Error><Impression><![CDATA[http:\/\/example.net\/hbx\/vimp?lid=test&aid=testapp]]><\/Impression><Creatives><Creative sequence=\"1\"><Linear><Duration>00:00:15<\/Duration><TrackingEvents><Tracking event=\"firstQuartile\"><![CDATA[https:\/\/example.com?event=first_quartile]]><\/Tracking><\/TrackingEvents><VideoClicks><ClickThrough><![CDATA[http:\/\/example.com]]><\/ClickThrough><\/VideoClicks><MediaFiles><MediaFile delivery=\"progressive\" width=\"16\" height=\"9\" type=\"audio\/mp3\" bitrate=\"128\"><![CDATA[https:\/\/example.com\/media.mp4]]><\/MediaFile><\/MediaFiles><\/Linear><\/Creative><\/Creatives><\/InLine><\/Ad><\/VAST>",
+                        "cid": "test_cid",
+                        "crid": "test_crid",
+                        "ext": {
+                            "prebid": {
+                                "type": "audio"
+                            }
+                        }
+                    },
+                    "type": "audio"
+                }
+            ]
+        }
+    ]
+}
\ No newline at end of file
diff --git a/adapters/alkimi/alkimitest/exemplary/simple-banner.json b/adapters/alkimi/alkimitest/exemplary/simple-banner.json
new file mode 100644
index 00000000000..96512989596
--- /dev/null
+++ b/adapters/alkimi/alkimitest/exemplary/simple-banner.json
@@ -0,0 +1,150 @@
+{
+    "mockBidRequest": {
+        "id": "test-request-id",
+        "device": {
+            "ip": "123.123.123.123",
+            "ua": "iPad"
+        },
+        "site": {
+            "domain": "www.example.com",
+            "page": "http://www.example.com",
+            "publisher": {
+                "domain": "example.com"
+            },
+            "ext": {
+                "amp": 0
+            }
+        },
+        "imp": [
+            {
+                "id": "test-imp-id",
+                "tagid": "test",
+                "banner": {
+                    "format": [
+                        {
+                            "w": 300,
+                            "h": 250
+                        },
+                        {
+                            "w": 300,
+                            "h": 600
+                        }
+                    ]
+                },
+                "ext": {
+                    "bidder": {
+                        "token": "XXX",
+                        "bidFloor": 0.5
+                    }
+                }
+            }
+        ]
+    },
+    "httpCalls": [
+        {
+            "expectedRequest": {
+                "uri": "https://exchange.alkimi-onboarding.com/server/bid",
+                "body": {
+                    "id": "test-request-id",
+                    "imp": [
+                        {
+                            "id": "test-imp-id",
+                            "tagid": "test",
+                            "banner": {
+                                "format": [
+                                    {
+                                        "w": 300,
+                                        "h": 250
+                                    },
+                                    {
+                                        "w": 300,
+                                        "h": 600
+                                    }
+                                ]
+                            },
+                            "bidfloor": 0.5,
+                            "ext": {
+                                "bidder": {
+                                    "token": "XXX",
+                                    "bidFloor": 0.5,
+                                    "adUnitCode": "test-imp-id",
+                                    "exp": 0,
+                                    "instl": 0
+                                }
+                            }
+                        }
+                    ],
+                    "site": {
+                        "domain": "www.example.com",
+                        "page": "http://www.example.com",
+                        "publisher": {
+                            "domain": "example.com"
+                        },
+                        "ext": {
+                            "amp": 0
+                        }
+                    },
+                    "device": {
+                        "ip": "123.123.123.123",
+                        "ua": "iPad"
+                    }
+                }
+            },
+            "mockResponse": {
+                "status": 200,
+                "body": {
+                    "id": "test-request-id",
+                    "seatbid": [
+                        {
+                            "bid": [
+                                {
+                                    "id": "test_bid_id",
+                                    "impid": "test-imp-id",
+                                    "price": 0.9,
+                                    "adm": "<div id=\"qsum\"><a href='https:\/\/alkimi.org' target='_blank'><img src='https:\/\/cloudfront.net\/jpeg\/2_Banner_02_300x250px.jpg'><\/a><\/div><script async src=\"https:\/\/exchange.alkimi-onboarding.com\/dsp-impression?id=H4sIAAAAAAAA_2NkUElJMkszSjIz17VITDPVNTFONdRNSks10zU3TkpNskhJMjU3TmNkYGDsvuy5eQqQAQZMAFKoSf85AAAA&price=${AUCTION_PRICE}\"><\/script>",
+                                    "cid": "test_cid",
+                                    "crid": "test_crid",
+                                    "nurl": "https://exchange.alkimi-onboarding.com/dsp-win?id=H4sIAAAAAAAA_2NkUElJMkszSjIz17VITDPVNTFONdRNSks10zU3TkpNskhJMjU3TmNkYGDsvuy5eQqQAQZMAFKoSf85AAAA&price=${AUCTION_PRICE}",
+                                    "w": 300,
+                                    "h": 250,
+                                    "ext": {
+                                        "prebid": {
+                                            "type": "banner"
+                                        }
+                                    }
+                                }
+                            ],
+                            "seat": "alkimi"
+                        }
+                    ],
+                    "cur": "USD"
+                }
+            }
+        }
+    ],
+    "expectedBidResponses": [
+        {
+            "bids": [
+                {
+                    "bid": {
+                        "id": "test_bid_id",
+                        "impid": "test-imp-id",
+                        "price": 0.9,
+                        "adm": "<div id=\"qsum\"><a href='https:\/\/alkimi.org' target='_blank'><img src='https:\/\/cloudfront.net\/jpeg\/2_Banner_02_300x250px.jpg'><\/a><\/div><script async src=\"https:\/\/exchange.alkimi-onboarding.com\/dsp-impression?id=H4sIAAAAAAAA_2NkUElJMkszSjIz17VITDPVNTFONdRNSks10zU3TkpNskhJMjU3TmNkYGDsvuy5eQqQAQZMAFKoSf85AAAA&price=0.9\"><\/script>",
+                        "cid": "test_cid",
+                        "crid": "test_crid",
+                        "nurl": "https://exchange.alkimi-onboarding.com/dsp-win?id=H4sIAAAAAAAA_2NkUElJMkszSjIz17VITDPVNTFONdRNSks10zU3TkpNskhJMjU3TmNkYGDsvuy5eQqQAQZMAFKoSf85AAAA&price=0.9",
+                        "w": 300,
+                        "h": 250,
+                        "ext": {
+                            "prebid": {
+                                "type": "banner"
+                            }
+                        }
+                    },
+                    "type": "banner"
+                }
+            ]
+        }
+    ]
+}
\ No newline at end of file
diff --git a/adapters/alkimi/alkimitest/exemplary/simple-video.json b/adapters/alkimi/alkimitest/exemplary/simple-video.json
new file mode 100644
index 00000000000..28be7a469c3
--- /dev/null
+++ b/adapters/alkimi/alkimitest/exemplary/simple-video.json
@@ -0,0 +1,147 @@
+{
+    "mockBidRequest": {
+        "id": "test-request-id",
+        "device": {
+            "ip": "123.123.123.123",
+            "ua": "iPad"
+        },
+        "site": {
+            "domain": "www.example.com",
+            "page": "http://www.example.com",
+            "publisher": {
+                "domain": "example.com"
+            },
+            "ext": {
+                "amp": 0
+            }
+        },
+        "imp": [
+            {
+                "id": "test-imp-id",
+                "tagid": "test",
+                "video": {
+                    "mimes": [
+                        "video/mp4"
+                    ],
+                    "protocols": [
+                        2,
+                        5
+                    ],
+                    "w": 300,
+                    "h": 250
+                },
+                "ext": {
+                    "bidder": {
+                        "token": "XXX",
+                        "bidFloor": 0.5
+                    }
+                }
+            }
+        ]
+    },
+    "httpCalls": [
+        {
+            "expectedRequest": {
+                "uri": "https://exchange.alkimi-onboarding.com/server/bid",
+                "body": {
+                    "id": "test-request-id",
+                    "device": {
+                        "ip": "123.123.123.123",
+                        "ua": "iPad"
+                    },
+                    "site": {
+                        "domain": "www.example.com",
+                        "page": "http://www.example.com",
+                        "publisher": {
+                            "domain": "example.com"
+                        },
+                        "ext": {
+                            "amp": 0
+                        }
+                    },
+                    "imp": [
+                        {
+                            "id": "test-imp-id",
+                            "tagid": "test",
+                            "video": {
+                                "mimes": [
+                                    "video/mp4"
+                                ],
+                                "protocols": [
+                                    2,
+                                    5
+                                ],
+                                "w": 300,
+                                "h": 250
+                            },
+                            "bidfloor": 0.5,
+                            "ext": {
+                                "bidder": {
+                                    "token": "XXX",
+                                    "bidFloor": 0.5,
+                                    "adUnitCode": "test-imp-id",
+                                    "exp": 0,
+                                    "instl": 0
+                                }
+                            }
+                        }
+                    ]
+                }
+            },
+            "mockResponse": {
+                "status": 200,
+                "body": {
+                    "id": "test-request-id",
+                    "seatbid": [
+                        {
+                            "bid": [
+                                {
+                                    "id": "test_bid_id",
+                                    "impid": "test-imp-id",
+                                    "price": 0.9,
+                                    "adm": "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><VAST version=\"2.0\"><Ad id=\"128a6.44d74.46b3\"><InLine><Error><![CDATA[http:\/\/example.net\/hbx\/verr?e=]]><\/Error><Impression><![CDATA[http:\/\/example.net\/hbx\/vimp?lid=test&aid=testapp]]><\/Impression><Creatives><Creative sequence=\"1\"><Linear><Duration>00:00:15<\/Duration><TrackingEvents><Tracking event=\"firstQuartile\"><![CDATA[https:\/\/example.com?event=first_quartile]]><\/Tracking><\/TrackingEvents><VideoClicks><ClickThrough><![CDATA[http:\/\/example.com]]><\/ClickThrough><\/VideoClicks><MediaFiles><MediaFile delivery=\"progressive\" width=\"16\" height=\"9\" type=\"video\/mp4\" bitrate=\"512\"><![CDATA[https:\/\/example.com\/media.mp4]]><\/MediaFile><\/MediaFiles><\/Linear><\/Creative><\/Creatives><\/InLine><\/Ad><\/VAST>",
+                                    "cid": "test_cid",
+                                    "crid": "test_crid",
+                                    "w": 300,
+                                    "h": 250,
+                                    "ext": {
+                                        "prebid": {
+                                            "type": "video"
+                                        }
+                                    }
+                                }
+                            ],
+                            "seat": "alkimi"
+                        }
+                    ],
+                    "cur": "USD"
+                }
+            }
+        }
+    ],
+    "expectedBidResponses": [
+        {
+            "currency": "USD",
+            "bids": [
+                {
+                    "bid": {
+                        "id": "test_bid_id",
+                        "impid": "test-imp-id",
+                        "price": 0.9,
+                        "adm": "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><VAST version=\"2.0\"><Ad id=\"128a6.44d74.46b3\"><InLine><Error><![CDATA[http:\/\/example.net\/hbx\/verr?e=]]><\/Error><Impression><![CDATA[http:\/\/example.net\/hbx\/vimp?lid=test&aid=testapp]]><\/Impression><Creatives><Creative sequence=\"1\"><Linear><Duration>00:00:15<\/Duration><TrackingEvents><Tracking event=\"firstQuartile\"><![CDATA[https:\/\/example.com?event=first_quartile]]><\/Tracking><\/TrackingEvents><VideoClicks><ClickThrough><![CDATA[http:\/\/example.com]]><\/ClickThrough><\/VideoClicks><MediaFiles><MediaFile delivery=\"progressive\" width=\"16\" height=\"9\" type=\"video\/mp4\" bitrate=\"512\"><![CDATA[https:\/\/example.com\/media.mp4]]><\/MediaFile><\/MediaFiles><\/Linear><\/Creative><\/Creatives><\/InLine><\/Ad><\/VAST>",
+                        "cid": "test_cid",
+                        "crid": "test_crid",
+                        "w": 300,
+                        "h": 250,
+                        "ext": {
+                            "prebid": {
+                                "type": "video"
+                            }
+                        }
+                    },
+                    "type": "video"
+                }
+            ]
+        }
+    ]
+}
\ No newline at end of file
diff --git a/adapters/alkimi/alkimitest/supplemental/bad_media_type.json b/adapters/alkimi/alkimitest/supplemental/bad_media_type.json
new file mode 100644
index 00000000000..db2a5dd61a1
--- /dev/null
+++ b/adapters/alkimi/alkimitest/supplemental/bad_media_type.json
@@ -0,0 +1,108 @@
+{
+	"mockBidRequest": {
+        "id": "test-request-id",
+        "imp": [
+            {
+                "id": "test-imp-id",
+                "ext": {
+                    "bidder": {
+                        "token": "XXX",
+                        "bidFloor": 0.5
+                    }
+                }
+            }
+        ],
+        "site": {
+            "domain": "www.example.com",
+            "page": "http://www.example.com",
+            "publisher": {
+                "domain": "example.com"
+            },
+            "ext": {
+                "amp": 0
+            }
+        },
+        "device": {
+            "ip": "123.123.123.123",
+            "ifa": "test"
+        }
+    },
+	"httpCalls": [{
+		"expectedRequest": {
+			"uri": "https://exchange.alkimi-onboarding.com/server/bid",
+			"body": {
+                "id": "test-request-id",
+                "imp": [
+                    {
+                        "id": "test-imp-id",
+                        "bidfloor": 0.5,
+                        "ext": {
+                            "bidder": {
+                                "token": "XXX",
+                                "bidFloor": 0.5,
+                                "adUnitCode": "test-imp-id",
+                                "exp": 0,
+                                "instl": 0
+                            }
+                        }
+                    }
+                ],
+                "site": {
+                    "domain": "www.example.com",
+                    "page": "http://www.example.com",
+                    "publisher": {
+                        "domain": "example.com"
+                    },
+                    "ext": {
+                        "amp": 0
+                    }
+                },
+                "device": {
+                    "ip": "123.123.123.123",
+                    "ifa": "test"
+                }
+            }
+		},
+		"mockResponse": {
+			"status": 200,
+			"body": {
+                "id": "test-request-id",
+                "seatbid": [
+                    {
+                        "bid": [
+                            {
+                                "id": "test_bid_id",
+                                "impid": "test-imp-id",
+                                "price": 0.9,
+                                "adm": "<div id=\"qsum\"><a href='https:\/\/alkimi.org' target='_blank'><img src='https:\/\/cloudfront.net\/jpeg\/2_Banner_02_300x250px.jpg'><\/a><\/div><script async src=\"https:\/\/exchange.alkimi-onboarding.com\/dsp-impression?id=H4sIAAAAAAAA_2NkUElJMkszSjIz17VITDPVNTFONdRNSks10zU3TkpNskhJMjU3TmNkYGDsvuy5eQqQAQZMAFKoSf85AAAA&price=${AUCTION_PRICE}\"><\/script>",
+                                "cid": "test_cid",
+                                "crid": "test_crid",
+                                "w": 300,
+                                "h": 250,
+                                "ext": {
+                                    "prebid": {
+                                        "type": "banner"
+                                    }
+                                }
+                            }
+                        ],
+                        "seat": "alkimi"
+                    }
+                ],
+                "cur": "USD"
+            }
+        }
+    }],
+    "expectedBidResponses": [
+        {
+            "currency": "USD",
+            "bids": []
+        }
+    ],
+    "expectedMakeBidsErrors": [
+        {
+          "value": "Failed to find imp \"test-imp-id\"",
+          "comparison": "literal"
+        }
+    ]
+}
diff --git a/adapters/alkimi/alkimitest/supplemental/bad_response.json b/adapters/alkimi/alkimitest/supplemental/bad_response.json
new file mode 100644
index 00000000000..f5223fe0445
--- /dev/null
+++ b/adapters/alkimi/alkimitest/supplemental/bad_response.json
@@ -0,0 +1,101 @@
+{
+	"mockBidRequest": {
+        "id": "test-request-id",
+        "imp": [
+            {
+                "id": "test-imp-id",
+                "banner": {
+                    "format": [
+                        {
+                            "w": 300,
+                            "h": 250
+                        },
+                        {
+                            "w": 300,
+                            "h": 600
+                        }
+                    ]
+                },
+                "ext": {
+                    "bidder": {
+                        "token": "XXX",
+                        "bidFloor": 0.5
+                    }
+                }
+            }
+        ],
+        "site": {
+            "domain": "www.example.com",
+            "page": "http://www.example.com",
+            "publisher": {
+                "domain": "example.com"
+            },
+            "ext": {
+                "amp": 0
+            }
+        },
+        "device": {
+            "ip": "123.123.123.123",
+            "ifa": "test"
+        }
+    },
+	"httpCalls": [{
+		"expectedRequest": {
+			"uri": "https://exchange.alkimi-onboarding.com/server/bid",
+			"body": {
+                "id": "test-request-id",
+                "imp": [
+                    {
+                        "id": "test-imp-id",
+                        "banner": {
+                            "format": [
+                                {
+                                    "w": 300,
+                                    "h": 250
+                                },
+                                {
+                                    "w": 300,
+                                    "h": 600
+                                }
+                            ]
+                        },
+                        "bidfloor": 0.5,
+                        "ext": {
+                            "bidder": {
+                                "token": "XXX",
+                                "bidFloor": 0.5,
+                                "adUnitCode": "test-imp-id",
+                                "exp": 0,
+                                "instl": 0
+                            }
+                        }
+                    }
+                ],
+                "site": {
+                    "domain": "www.example.com",
+                    "page": "http://www.example.com",
+                    "publisher": {
+                        "domain": "example.com"
+                    },
+                    "ext": {
+                        "amp": 0
+                    }
+                },
+                "device": {
+                    "ip": "123.123.123.123",
+                    "ifa": "test"
+                }
+            }
+		},
+		"mockResponse": {
+			"status": 200,
+			"body": ""
+        }
+    }],
+    "expectedMakeBidsErrors": [
+        {
+          "value": "json: cannot unmarshal string into Go value of type openrtb2.BidResponse",
+          "comparison": "literal"
+        }
+    ]
+}
diff --git a/adapters/alkimi/alkimitest/supplemental/status-204.json b/adapters/alkimi/alkimitest/supplemental/status-204.json
new file mode 100644
index 00000000000..7432a2d0776
--- /dev/null
+++ b/adapters/alkimi/alkimitest/supplemental/status-204.json
@@ -0,0 +1,96 @@
+{
+	"mockBidRequest": {
+        "id": "test-request-id",
+        "imp": [
+            {
+                "id": "test-imp-id",
+                "banner": {
+                    "format": [
+                        {
+                            "w": 300,
+                            "h": 250
+                        },
+                        {
+                            "w": 300,
+                            "h": 600
+                        }
+                    ]
+                },
+                "ext": {
+                    "bidder": {
+                        "token": "XXX",
+                        "bidFloor": 0.5
+                    }
+                }
+            }
+        ],
+        "site": {
+            "domain": "www.example.com",
+            "page": "http://www.example.com",
+            "publisher": {
+                "domain": "example.com"
+            },
+            "ext": {
+                "amp": 0
+            }
+        },
+        "device": {
+            "ip": "123.123.123.123",
+            "ifa": "test"
+        }
+    },
+	"httpCalls": [{
+		"expectedRequest": {
+			"uri": "https://exchange.alkimi-onboarding.com/server/bid",
+			"body": {
+                "id": "test-request-id",
+                "imp": [
+                    {
+                        "id": "test-imp-id",
+                        "banner": {
+                            "format": [
+                                {
+                                    "w": 300,
+                                    "h": 250
+                                },
+                                {
+                                    "w": 300,
+                                    "h": 600
+                                }
+                            ]
+                        },
+                        "bidfloor": 0.5,
+                        "ext": {
+                            "bidder": {
+                                "token": "XXX",
+                                "bidFloor": 0.5,
+                                "adUnitCode": "test-imp-id",
+                                "exp": 0,
+                                "instl": 0
+                            }
+                        }
+                    }
+                ],
+                "site": {
+                    "domain": "www.example.com",
+                    "page": "http://www.example.com",
+                    "publisher": {
+                        "domain": "example.com"
+                    },
+                    "ext": {
+                        "amp": 0
+                    }
+                },
+                "device": {
+                    "ip": "123.123.123.123",
+                    "ifa": "test"
+                }
+            }
+		},
+		"mockResponse": {
+			"status": 204,
+			"body": {}
+		}
+    }],
+    "expectedBidResponses": []
+}
diff --git a/adapters/alkimi/alkimitest/supplemental/status-not-200.json b/adapters/alkimi/alkimitest/supplemental/status-not-200.json
new file mode 100644
index 00000000000..1edaaebf082
--- /dev/null
+++ b/adapters/alkimi/alkimitest/supplemental/status-not-200.json
@@ -0,0 +1,101 @@
+{
+	"mockBidRequest": {
+        "id": "test-request-id",
+        "imp": [
+            {
+                "id": "test-imp-id",
+                "banner": {
+                    "format": [
+                        {
+                            "w": 300,
+                            "h": 250
+                        },
+                        {
+                            "w": 300,
+                            "h": 600
+                        }
+                    ]
+                },
+                "ext": {
+                    "bidder": {
+                        "token": "XXX",
+                        "bidFloor": 0.5
+                    }
+                }
+            }
+        ],
+        "site": {
+            "domain": "www.example.com",
+            "page": "http://www.example.com",
+            "publisher": {
+                "domain": "example.com"
+            },
+            "ext": {
+                "amp": 0
+            }
+        },
+        "device": {
+            "ip": "123.123.123.123",
+            "ifa": "test"
+        }
+    },
+	"httpCalls": [{
+		"expectedRequest": {
+			"uri": "https://exchange.alkimi-onboarding.com/server/bid",
+			"body": {
+                "id": "test-request-id",
+                "imp": [
+                    {
+                        "id": "test-imp-id",
+                        "banner": {
+                            "format": [
+                                {
+                                    "w": 300,
+                                    "h": 250
+                                },
+                                {
+                                    "w": 300,
+                                    "h": 600
+                                }
+                            ]
+                        },
+                        "bidfloor": 0.5,
+                        "ext": {
+                            "bidder": {
+                                "token": "XXX",
+                                "bidFloor": 0.5,
+                                "adUnitCode": "test-imp-id",
+                                "exp": 0,
+                                "instl": 0
+                            }
+                        }
+                    }
+                ],
+                "site": {
+                    "domain": "www.example.com",
+                    "page": "http://www.example.com",
+                    "publisher": {
+                        "domain": "example.com"
+                    },
+                    "ext": {
+                        "amp": 0
+                    }
+                },
+                "device": {
+                    "ip": "123.123.123.123",
+                    "ifa": "test"
+                }
+            }
+		},
+		"mockResponse": {
+			"status": 404,
+			"body": {}
+		}
+    }],
+    "expectedMakeBidsErrors": [
+        {
+          "value": "Unexpected status code: 404. Run with request.debug = 1 for more info",
+          "comparison": "literal"
+        }
+    ]
+}
diff --git a/adapters/alkimi/params_test.go b/adapters/alkimi/params_test.go
new file mode 100644
index 00000000000..69142af8f33
--- /dev/null
+++ b/adapters/alkimi/params_test.go
@@ -0,0 +1,48 @@
+package alkimi
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/prebid/prebid-server/v2/openrtb_ext"
+)
+
+func TestValidParams(t *testing.T) {
+	validator, err := openrtb_ext.NewBidderParamsValidator("../../static/bidder-params")
+	if err != nil {
+		t.Fatalf("Failed to fetch the json schema. %v", err)
+	}
+
+	for _, p := range validParams {
+		if err := validator.Validate(openrtb_ext.BidderAlkimi, json.RawMessage(p)); err != nil {
+			t.Errorf("Schema rejected valid params: %s", p)
+		}
+	}
+}
+
+func TestInvalidParams(t *testing.T) {
+	validator, err := openrtb_ext.NewBidderParamsValidator("../../static/bidder-params")
+	if err != nil {
+		t.Fatalf("Failed to fetch the json schema. %v", err)
+	}
+
+	for _, p := range invalidParams {
+		if err := validator.Validate(openrtb_ext.BidderAlkimi, json.RawMessage(p)); err == nil {
+			t.Errorf("Schema allowed invalid params: %s", p)
+		}
+	}
+}
+
+var validParams = []string{
+	`{"token": "ABC"}`,
+	`{"token": "ABC", "bidFloor": 1.0}`,
+	`{"token": "ABC", "instl": 1}`,
+	`{"token": "ABC", "exp": 30}`,
+}
+
+var invalidParams = []string{
+	`{"token": 42}`,
+	`{"token": "ABC", "bidFloor": "invalid"}`,
+	`{"token": "ABC", "instl": "invalid"}`,
+	`{"token": "ABC", "exp": "invalid"}`,
+}
diff --git a/exchange/adapter_builders.go b/exchange/adapter_builders.go
index ca3fa778f0d..c2b7917024e 100755
--- a/exchange/adapter_builders.go
+++ b/exchange/adapter_builders.go
@@ -32,6 +32,7 @@ import (
 	"github.com/prebid/prebid-server/v2/adapters/aidem"
 	"github.com/prebid/prebid-server/v2/adapters/aja"
 	"github.com/prebid/prebid-server/v2/adapters/algorix"
+	"github.com/prebid/prebid-server/v2/adapters/alkimi"
 	"github.com/prebid/prebid-server/v2/adapters/amx"
 	"github.com/prebid/prebid-server/v2/adapters/apacdex"
 	"github.com/prebid/prebid-server/v2/adapters/appnexus"
@@ -227,6 +228,7 @@ func newAdapterBuilders() map[openrtb_ext.BidderName]adapters.Builder {
 		openrtb_ext.BidderAidem:             aidem.Builder,
 		openrtb_ext.BidderAJA:               aja.Builder,
 		openrtb_ext.BidderAlgorix:           algorix.Builder,
+		openrtb_ext.BidderAlkimi:            alkimi.Builder,
 		openrtb_ext.BidderAMX:               amx.Builder,
 		openrtb_ext.BidderApacdex:           apacdex.Builder,
 		openrtb_ext.BidderAppnexus:          appnexus.Builder,
diff --git a/openrtb_ext/bidders.go b/openrtb_ext/bidders.go
index 172d030ba31..5e6eb553c0f 100644
--- a/openrtb_ext/bidders.go
+++ b/openrtb_ext/bidders.go
@@ -48,6 +48,7 @@ var coreBidderNames []BidderName = []BidderName{
 	BidderAidem,
 	BidderAJA,
 	BidderAlgorix,
+	BidderAlkimi,
 	BidderAMX,
 	BidderApacdex,
 	BidderAppnexus,
@@ -328,6 +329,7 @@ const (
 	BidderAidem             BidderName = "aidem"
 	BidderAJA               BidderName = "aja"
 	BidderAlgorix           BidderName = "algorix"
+	BidderAlkimi            BidderName = "alkimi"
 	BidderAMX               BidderName = "amx"
 	BidderApacdex           BidderName = "apacdex"
 	BidderAppnexus          BidderName = "appnexus"
diff --git a/openrtb_ext/imp_alkimi.go b/openrtb_ext/imp_alkimi.go
new file mode 100644
index 00000000000..640528f212f
--- /dev/null
+++ b/openrtb_ext/imp_alkimi.go
@@ -0,0 +1,9 @@
+package openrtb_ext
+
+type ExtImpAlkimi struct {
+	Token      string  `json:"token"`
+	BidFloor   float64 `json:"bidFloor"`
+	Instl      int8    `json:"instl"`
+	Exp        int64   `json:"exp"`
+	AdUnitCode string  `json:"adUnitCode"`
+}
diff --git a/static/bidder-info/alkimi.yaml b/static/bidder-info/alkimi.yaml
new file mode 100644
index 00000000000..c27e2ca47e1
--- /dev/null
+++ b/static/bidder-info/alkimi.yaml
@@ -0,0 +1,15 @@
+endpoint: https://exchange.alkimi-onboarding.com/server/bid
+maintainer:
+  email: support@alkimi.org
+gvlVendorID: 1169
+capabilities:
+  app:
+    mediaTypes:
+      - banner
+      - video
+      - audio
+  site:
+    mediaTypes:
+      - banner
+      - video
+      - audio
diff --git a/static/bidder-params/alkimi.json b/static/bidder-params/alkimi.json
new file mode 100644
index 00000000000..93e09022469
--- /dev/null
+++ b/static/bidder-params/alkimi.json
@@ -0,0 +1,28 @@
+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "title": "Alkimi Adapter Params",
+  "description": "A schema which validates params accepted by the Alkimi adapter",
+  "type": "object",
+
+  "properties": {
+    "token": {
+      "type": "string",
+      "description": "Publisher Token provided by Alkimi"
+    },
+    "bidFloor": {
+      "type": "number",
+      "description": "The minimum CPM price in USD",
+      "minimum": 0
+    },
+    "instl": {
+      "type": "number",
+      "description": "Set to 1 if using interstitial (default: 0)"
+    },
+    "exp": {
+      "type": "number",
+      "description": "Advisory as to the number of seconds that may elapse between the auction and the actual impression"
+    }
+  },
+
+  "required": ["token"]
+}