diff --git a/api/manager.yaml b/api/manager.yaml
index 412cfe2..0db67f1 100644
--- a/api/manager.yaml
+++ b/api/manager.yaml
@@ -41,8 +41,12 @@ tags:
   name: Include Excludes (WordPress plugin)
 - description: Manage Accounts
   name: Accounts
+- description: Manage Merchants
+  name: Merchants
 - description: Configure Google Search Console OAuth2 authorized access codes.
   name: Google Search Console OAuth2
+- description: Synchronize Products from the Merchant Feed
+  name: Merchant Syncs
 - description: Update Plugin Diagnostics data for WordPress clients.
   name: Plugin Diagnostics
 paths:
@@ -356,7 +360,7 @@ paths:
         "401":
           description: Authentication Failure
       security:
-      - apiKey: []
+      - ApiKey: []
       summary: Create
       tags:
       - Analytics Imports
@@ -526,7 +530,7 @@ paths:
         "404":
           description: Not Found
       security:
-      - apiKey: []
+      - ApiKey: []
       summary: Get an Access Code
       tags:
       - Google Search Console OAuth2
@@ -554,10 +558,257 @@ paths:
         "404":
           description: Not Found
       security:
-      - apiKey: []
+      - ApiKey: []
       summary: Create an Authorization URI
       tags:
       - Google Search Console OAuth2
+  /merchants:
+    get:
+      description: "List the Merchants, optionally filtering by the `deleted` flag"
+      operationId: listMerchants
+      parameters:
+      - description: The cursor
+        in: query
+        name: cursor
+        required: false
+        schema:
+          type: string
+      - description: The maximum number of results
+        in: query
+        name: limit
+        required: false
+        schema:
+          type: integer
+          default: 10
+      - description: Filter by the `deleted` flag
+        in: query
+        name: deleted
+        required: false
+        schema:
+          type: boolean
+      responses:
+        "200":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/PageMerchantView'
+          description: Found
+        "401":
+          description: Authentication Failure
+      security:
+      - OAuth2: []
+      summary: List
+      tags:
+      - Merchants
+    post:
+      description: Create a Merchant
+      operationId: createMerchant
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/MerchantRequest'
+        required: true
+      responses:
+        "200":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Merchant'
+          description: Success
+        "401":
+          description: Authentication Failure
+        "404":
+          description: Not Found
+      security:
+      - OAuth2: []
+      summary: Create
+      tags:
+      - Merchants
+  /merchants/{id}:
+    delete:
+      description: Delete a Merchant by its `id`.
+      operationId: deleteMerchant
+      parameters:
+      - description: The Merchant id
+        in: path
+        name: id
+        required: true
+        schema:
+          type: integer
+          format: int64
+      responses:
+        "200":
+          description: Deleted
+        "401":
+          description: Authentication Failure
+      security:
+      - OAuth2: []
+      summary: Delete by id
+      tags:
+      - Merchants
+    get:
+      description: Get a Merchant by its `id`.
+      operationId: getMerchant
+      parameters:
+      - description: The Merchant id
+        in: path
+        name: id
+        required: true
+        schema:
+          type: integer
+          format: int64
+      responses:
+        "200":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Merchant'
+          description: Success
+        "401":
+          description: Authentication Failure
+      security:
+      - OAuth2: []
+      summary: Get by id
+      tags:
+      - Merchants
+    put:
+      description: Update a Merchant
+      operationId: updateMerchant
+      parameters:
+      - description: The Merchant id
+        in: path
+        name: id
+        required: true
+        schema:
+          type: integer
+          format: int64
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/MerchantRequest'
+        required: true
+      responses:
+        "200":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Merchant'
+          description: Success
+        "401":
+          description: Authentication Failure
+        "404":
+          description: Not Found
+      security:
+      - OAuth2: []
+      summary: Update
+      tags:
+      - Merchants
+  /merchants/{merchantId}/syncs:
+    get:
+      description: List the Merchants Syncs
+      operationId: listMerchantSyncs
+      parameters:
+      - description: The Merchant's `id`
+        in: path
+        name: merchantId
+        required: true
+        schema:
+          type: integer
+          format: int64
+      - description: The cursor
+        in: query
+        name: cursor
+        required: false
+        schema:
+          type: string
+      - description: The maximum number of results
+        in: query
+        name: limit
+        required: false
+        schema:
+          type: integer
+          default: 10
+      - description: "The sorting, `+id` or `-id`"
+        in: query
+        name: sort
+        required: false
+        schema:
+          type: string
+          default: +id
+      responses:
+        "200":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/PageMerchantSync'
+          description: Found
+        "401":
+          description: Authentication Failure
+      security:
+      - OAuth2: []
+      summary: List
+      tags:
+      - Merchant Syncs
+    post:
+      operationId: createSync
+      parameters:
+      - description: The Merchant's `id`
+        in: path
+        name: merchantId
+        required: true
+        schema:
+          type: integer
+          format: int64
+      responses:
+        "200":
+          content:
+            '*/*':
+              schema:
+                $ref: '#/components/schemas/MerchantSync'
+          description: Found.
+        "401":
+          description: Authentication Failure
+      security:
+      - OAuth2: []
+      summary: Start
+      tags:
+      - Merchant Syncs
+  /merchants/{merchantId}/syncs/{id}:
+    get:
+      operationId: getMerchantSync
+      parameters:
+      - description: The Merchant's `id`
+        in: path
+        name: merchantId
+        required: true
+        schema:
+          type: integer
+          format: int64
+      - description: The Merchant Sync `id`.
+        in: path
+        name: id
+        required: true
+        schema:
+          type: integer
+          format: int64
+      responses:
+        "200":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/MerchantSync'
+          description: Found.
+        "401":
+          description: Authentication Failure
+        "404":
+          description: Not Found
+      security:
+      - OAuth2: []
+      summary: Get by id
+      tags:
+      - Merchant Syncs
   /oauth2/authorized-clients:
     get:
       description: List OAuth2 Authorized Clients
@@ -597,7 +848,7 @@ paths:
         content:
           application/json:
             schema:
-              $ref: '#/components/schemas/Request'
+              $ref: '#/components/schemas/OAuth2AuthorizedClientRequest'
         required: true
       responses:
         "200":
@@ -677,7 +928,7 @@ paths:
         content:
           application/json:
             schema:
-              $ref: '#/components/schemas/Request'
+              $ref: '#/components/schemas/OAuth2AuthorizedClientRequest'
         required: true
       responses:
         "200":
@@ -742,11 +993,17 @@ paths:
         required: true
       responses:
         "200":
+          content:
+            application/x-ndjson:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/WebPage'
           description: Success
         "401":
           description: Authentication Failure
       security:
-      - apiKey: []
+      - ApiKey: []
       summary: Create
       tags:
       - Sitemap Imports
@@ -1129,47 +1386,334 @@ components:
       required:
       - Include or Exclude
       - The URL
-    MerchantEntry:
+    Merchant:
       type: object
-      description: A Merchant Entry with the Google Merchant Id and the Website URL
+      description: A Merchant project.
       properties:
+        access_token:
+          type: string
+          description: The Google merchant access token
+        account_id:
+          type: integer
+          format: int64
+          description: The account id
+          readOnly: true
+        automatic_synchronization:
+          type: boolean
+          description: Whether the Merchant data will be synchronized automatically
+        created_at:
+          type: string
+          format: date-time
+          description: The create date-time
+          readOnly: true
+        dataset_domain:
+          type: string
+          description: The custom domain (for example data.example.org)
+        dataset_name:
+          type: string
+          description: The dataset path (for example /data)
+        deleted:
+          type: boolean
+          default: false
+          description: True if the merchant has been deleted
+        deleted_at:
+          type: string
+          format: date-time
+          description: The delete date-time
+          readOnly: true
         google_merchant_id:
           type: integer
           format: int64
           description: The Google Merchant id
-        website_url:
-          type: string
-          description: The Google Merchant Website URL
-      required:
-      - google_merchant_id
-      - website_url
-    NetworkAccountInfo:
-      type: object
-      description: Network Account Information
-      properties:
-        accountId:
+        id:
           type: integer
           format: int64
-          description: The Account Id
+          description: The unique id
           readOnly: true
-        datasetId:
+        ignore_brand:
+          type: boolean
+          description: Whether to ignore the `brand` property during validation
+        ignore_image:
+          type: boolean
+          description: Whether to ignore the `image` property during validation
+        modified_at:
           type: string
-          description: The Dataset Id
+          format: date-time
+          description: The last modified date-time
           readOnly: true
-        datasetUri:
+        publisher_name:
           type: string
-          description: The Dataset URI
-          readOnly: true
+          description: The publisher name (shows in schema publisher)
+        refresh_token:
+          type: string
+          description: The Google merchant refresh token
         url:
           type: string
           description: The website URL
-          readOnly: true
-      readOnly: true
       required:
-      - datasetUri
-    OAuth2AuthorizedClient:
+      - access_token
+      - deleted
+      - google_merchant_id
+      - publisher_name
+      - refresh_token
+    MerchantEntry:
       type: object
-      description: A OAuth2 Authorized Client
+      description: A Merchant Entry with the Google Merchant Id and the Website URL
+      properties:
+        google_merchant_id:
+          type: integer
+          format: int64
+          description: The Google Merchant id
+        website_url:
+          type: string
+          description: The Google Merchant Website URL
+      required:
+      - google_merchant_id
+      - website_url
+    MerchantRequest:
+      type: object
+      description: The Merchant request
+      properties:
+        access_token:
+          type: string
+          description: Google Merchant access token
+        dataset_domain:
+          type: string
+          description: The custom domain (for example data.example.org)
+        dataset_name:
+          type: string
+          description: The dataset path (for example "data")
+        deleted:
+          type: boolean
+          default: false
+          description: True if the merchant has been deleted
+        google_merchant_id:
+          type: integer
+          format: int64
+          description: The Google Merchant id
+        ignore_brand:
+          type: boolean
+          description: Whether to ignore the `brand` property during validation
+        ignore_image:
+          type: boolean
+          description: Whether to ignore the `image` property during validation
+        publisher_name:
+          type: string
+          description: The publisher name (shows in schema publisher)
+        refresh_token:
+          type: string
+          description: Google Merchant refresh token
+        url:
+          type: string
+          description: The website URL
+      required:
+      - google_merchant_id
+      - publisher_name
+      - refresh_token
+      - url
+    MerchantSync:
+      type: object
+      description: A Merchant products data synchronization.
+      properties:
+        created_at:
+          type: string
+          format: date-time
+          description: The create date-time.
+          readOnly: true
+        has_errors:
+          type: boolean
+          description: Whether the sync encountered errors.
+          readOnly: true
+        id:
+          type: integer
+          format: int64
+          description: The unique id.
+          readOnly: true
+        merchant_id:
+          type: integer
+          format: int64
+          description: The parent Merchant id.
+          readOnly: true
+        modified_at:
+          type: string
+          format: date-time
+          description: The last modified date-time.
+          readOnly: true
+        products_created:
+          type: integer
+          format: int32
+          description: The number of created products
+          readOnly: true
+        products_deleted:
+          type: integer
+          format: int32
+          description: The number of deleted products
+          readOnly: true
+        products_errored:
+          type: integer
+          format: int32
+          description: The number of errored products
+          readOnly: true
+        products_skipped:
+          type: integer
+          format: int32
+          description: The number of skipped products
+          readOnly: true
+        products_total:
+          type: integer
+          format: int32
+          description: "The total number of processed products, including the skipped\
+            \ and errored."
+          readOnly: true
+        products_updated:
+          type: integer
+          format: int32
+          description: The number of update products
+          readOnly: true
+        started_at:
+          type: string
+          format: date-time
+          description: The started date-time.
+          readOnly: true
+        stopped_at:
+          type: string
+          format: date-time
+          description: The stopped date-time.
+          readOnly: true
+      required:
+      - merchant_id
+    MerchantView:
+      type: object
+      description: An array of objects.
+      properties:
+        access_token:
+          type: string
+          description: The Google merchant access token
+        account_id:
+          type: integer
+          format: int64
+          description: The account id
+          readOnly: true
+        automatic_synchronization:
+          type: boolean
+          description: Whether the Merchant data will be synchronized automatically
+        created_at:
+          type: string
+          format: date-time
+          description: The create date-time
+          readOnly: true
+        dataset_domain:
+          type: string
+          description: The custom domain (for example data.example.org)
+        dataset_name:
+          type: string
+          description: The dataset path (for example /data)
+        deleted:
+          type: boolean
+          default: false
+          description: True if the merchant has been deleted
+        deleted_at:
+          type: string
+          format: date-time
+          description: The delete date-time
+          readOnly: true
+        google_merchant_id:
+          type: integer
+          format: int64
+          description: The Google Merchant id
+        id:
+          type: integer
+          format: int64
+          description: The unique id
+          readOnly: true
+        ignore_brand:
+          type: boolean
+          description: Whether to ignore the `brand` property during validation
+        ignore_image:
+          type: boolean
+          description: Whether to ignore the `image` property during validation
+        modified_at:
+          type: string
+          format: date-time
+          description: The last modified date-time
+          readOnly: true
+        publisher_name:
+          type: string
+          description: The publisher name (shows in schema publisher)
+        refresh_token:
+          type: string
+          description: The Google merchant refresh token
+        sid:
+          type: string
+        sync_has_errors:
+          type: boolean
+        sync_id:
+          type: integer
+          format: int64
+        sync_products_created:
+          type: integer
+          format: int32
+        sync_products_deleted:
+          type: integer
+          format: int32
+        sync_products_errored:
+          type: integer
+          format: int32
+        sync_products_skipped:
+          type: integer
+          format: int32
+        sync_products_total:
+          type: integer
+          format: int32
+        sync_products_updated:
+          type: integer
+          format: int32
+        sync_started_at:
+          type: string
+          format: date-time
+          description: The started date-time.
+          readOnly: true
+        sync_stopped_at:
+          type: string
+          format: date-time
+          description: The stopped date-time.
+          readOnly: true
+        url:
+          type: string
+          description: The website URL
+      required:
+      - access_token
+      - deleted
+      - google_merchant_id
+      - publisher_name
+      - refresh_token
+    NetworkAccountInfo:
+      type: object
+      description: Network Account Information
+      properties:
+        accountId:
+          type: integer
+          format: int64
+          description: The Account Id
+          readOnly: true
+        datasetId:
+          type: string
+          description: The Dataset Id
+          readOnly: true
+        datasetUri:
+          type: string
+          description: The Dataset URI
+          readOnly: true
+        url:
+          type: string
+          description: The website URL
+          readOnly: true
+      readOnly: true
+      required:
+      - datasetUri
+    OAuth2AuthorizedClient:
+      type: object
+      description: A OAuth2 Authorized Client
       properties:
         access_token_expires_at:
           type: string
@@ -1195,6 +1739,40 @@ components:
           format: date-time
         refresh_token_value:
           type: string
+    OAuth2AuthorizedClientRequest:
+      type: object
+      description: The OAuth2 Authorized Client request
+      properties:
+        access_token_expires_at:
+          type: string
+          format: date-time
+          description: When the Access Token expires
+        access_token_issued_at:
+          type: string
+          format: date-time
+          description: When the Access Token was issued
+        access_token_scopes:
+          type: string
+          description: The Access Token scopes
+        access_token_type:
+          type: string
+          description: The Access Token Type
+        access_token_value:
+          type: string
+          description: The Access Token Value
+        client_registration_id:
+          type: string
+          description: The Client Registration Id
+        principal_name:
+          type: string
+          description: The Principal Name
+        refresh_token_issued_at:
+          type: string
+          format: date-time
+          description: When the Access Token was issued
+        refresh_token_value:
+          type: string
+          description: The Refresh Token Value
     PageActiveAccount:
       type: object
       description: A page object with links to move to other pages and the list of
@@ -1306,6 +1884,80 @@ components:
       - next
       - prev
       - self
+    PageMerchantSync:
+      type: object
+      description: A page object with links to move to other pages and the list of
+        objects.
+      properties:
+        first:
+          type: string
+          description: The link to the first page.
+          nullable: true
+        items:
+          type: array
+          description: An array of objects.
+          items:
+            $ref: '#/components/schemas/MerchantSync'
+        last:
+          type: string
+          description: The link to the last page.
+          nullable: true
+        next:
+          type: string
+          description: The link to the next page or `null` if there's no page.
+          nullable: true
+        prev:
+          type: string
+          description: The link to the previous page or `null` if there's no page.
+          nullable: true
+        self:
+          type: string
+          description: The link to the current page.
+          nullable: true
+      required:
+      - first
+      - items
+      - last
+      - next
+      - prev
+      - self
+    PageMerchantView:
+      type: object
+      description: A page object with links to move to other pages and the list of
+        objects.
+      properties:
+        first:
+          type: string
+          description: The link to the first page.
+          nullable: true
+        items:
+          type: array
+          description: An array of objects.
+          items:
+            $ref: '#/components/schemas/MerchantView'
+        last:
+          type: string
+          description: The link to the last page.
+          nullable: true
+        next:
+          type: string
+          description: The link to the next page or `null` if there's no page.
+          nullable: true
+        prev:
+          type: string
+          description: The link to the previous page or `null` if there's no page.
+          nullable: true
+        self:
+          type: string
+          description: The link to the current page.
+          nullable: true
+      required:
+      - first
+      - items
+      - last
+      - next
+      - prev
+      - self
     PageOAuth2AuthorizedClient:
       type: object
       description: A page object with links to move to other pages and the list of
@@ -1439,38 +2091,9 @@ components:
           format: uri
     Request:
       type: object
-      description: The OAuth2 Authorized Client request
       properties:
-        access_token_expires_at:
+        redeem_code:
           type: string
-          format: date-time
-          description: When the Access Token expires
-        access_token_issued_at:
-          type: string
-          format: date-time
-          description: When the Access Token was issued
-        access_token_scopes:
-          type: string
-          description: The Access Token scopes
-        access_token_type:
-          type: string
-          description: The Access Token Type
-        access_token_value:
-          type: string
-          description: The Access Token Value
-        client_registration_id:
-          type: string
-          description: The Client Registration Id
-        principal_name:
-          type: string
-          description: The Principal Name
-        refresh_token_issued_at:
-          type: string
-          format: date-time
-          description: When the Access Token was issued
-        refresh_token_value:
-          type: string
-          description: The Refresh Token Value
     Response:
       type: object
       properties:
@@ -1480,10 +2103,6 @@ components:
       type: object
       description: The Sitemap Import request
       properties:
-        analytics:
-          type: boolean
-          description: "If true, import also analytics from GSC (requires existing\
-            \ GSC configuration in backend)"
         sitemap_url:
           type: string
           description: The sitemap URL
@@ -1494,6 +2113,23 @@ components:
             type: string
             description: The URLs
           uniqueItems: true
+    WebPage:
+      type: object
+      properties:
+        abstract:
+          type: string
+        date_published:
+          type: string
+          format: date
+        headline:
+          type: string
+        image:
+          type: string
+          format: url
+        text:
+          type: string
+        url:
+          type: string
     Website:
       type: object
       description: A Website