diff --git a/.github/markets/pr_template.md b/.github/markets/pr_template.md
index ad86dc2..ed4bd64 100644
--- a/.github/markets/pr_template.md
+++ b/.github/markets/pr_template.md
@@ -16,6 +16,7 @@ Each json file under the [configs](../../configs) folder correspond to their res
 |`perp_pool_banners`   |`PerpPoolBanner`   |true   |List of Objects that indicate the banner content on specific perp pool pages.   |
 |`demex_points_config`   |`DemexPointsConfig`   |false   |Object that contains the parameters to earn demex points.   |This object **must be included** for mainnet.json as demex points is already live on mainnet.   |
 |`perp_pool_promo`   |`PerpPoolPromo`   |false   |Map of Objects that contains perp pool promo parameters for each pool   |If the `perp_pool_promo` property is omitted, no promo will be shown. The key of each entry is the ids of the perp pools with existing promo.   |
+|`cross_selling_source_tokens`   |`string[]`   |true   |The array of cross selling source tokens. Acquiring these tokens on the spot market will trigger a help wizard, prompting users to borrow USDG and trade perps on Demex. |The token denoms listed here **MUST** match the token denoms listed under the Carbon [Tokens API](https://api.carbon.network/carbon/coin/v1/tokens?pagination.limit=10000). |
 
 ## Maintenance Data Structure
 |Field   |Type   |Required   |Description   |Notes   |
diff --git a/README.md b/README.md
index 653749c..b29a604 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ Currently, each JSON file contain the following data on its corresponding networ
 - blacklisted tokens
 - default blockchain transfer option order in deposit/withdrawal forms dropdown
 - default network token fee order
+- cross selling source tokens
 
 Additionally, the JSON file for mainnet contains the following data to support ongoing campaigns/promotions:
 - demex points config
@@ -48,6 +49,7 @@ More metadata will be added in the future if required by the Demex frontend. Ple
     "token_denom_1": 0,
     "token_denom_2": 1,
     "token_denom_3": 2
-  }
+  },
+  "cross_selling_source_tokens": ["source_token_1"]
 }
 ```
diff --git a/config.schema.json b/config.schema.json
index 6d7c93f..61e0aa3 100644
--- a/config.schema.json
+++ b/config.schema.json
@@ -10,7 +10,8 @@
     "blacklisted_tokens",
     "transfer_options",
     "network_fees",
-    "perp_pool_banners"
+    "perp_pool_banners",
+    "cross_selling_source_tokens"
   ],
   "properties": {
     "network": {
@@ -157,6 +158,13 @@
           }
         }
       }
+    },
+    "cross_selling_source_tokens": {
+      "type": "array",
+      "description": "List of cross selling source token denoms",
+      "items": {
+        "$ref": "#/$defs/cross_selling_source_token"
+      }
     }
   },
   "$defs": {
@@ -225,6 +233,10 @@
     "perpTradingBoost": {
       "type": "integer",
       "description": "The spin boost multiplier for boosted perp markets trading volume"
+    },
+    "cross_selling_source_token": {
+      "type": "string",
+      "description": "Cross selling source token denom"
     }
   }
 }
\ No newline at end of file
diff --git a/configs/devnet.json b/configs/devnet.json
index ef23ece..f6c63bb 100644
--- a/configs/devnet.json
+++ b/configs/devnet.json
@@ -14,5 +14,6 @@
     "usdc": 1,
     "eth": 2
   },
-  "perp_pool_banners": []
+  "perp_pool_banners": [],
+  "cross_selling_source_tokens": []
 } 
diff --git a/configs/mainnet.json b/configs/mainnet.json
index 2d7c615..918fa2c 100644
--- a/configs/mainnet.json
+++ b/configs/mainnet.json
@@ -199,5 +199,6 @@
       "perpPoolDepositBoost": 2,
       "perpTradingBoost": 3
     }
-  }
+  },
+  "cross_selling_source_tokens": ["swth"]
 }
diff --git a/configs/testnet.json b/configs/testnet.json
index 8674c3c..e4fd90b 100644
--- a/configs/testnet.json
+++ b/configs/testnet.json
@@ -32,5 +32,6 @@
         "symbol": "1000PEPE"
       }
     }
-  }
+  },
+  "cross_selling_source_tokens": ["swth"]
 }
diff --git a/scripts/check_configs.ts b/scripts/check_configs.ts
index c8facbc..b915aaa 100644
--- a/scripts/check_configs.ts
+++ b/scripts/check_configs.ts
@@ -21,7 +21,8 @@ interface ConfigJSON {
   demex_points_config: DemexPointsConfig,
   perp_pool_promo: {
     [perpPoolId: string]: PerpPoolPromo,
-  }
+  },
+  cross_selling_source_tokens: string[];
 }
 
 interface InvalidEntry {
@@ -234,17 +235,31 @@ async function main() {
       });
       const tokens: string[] = allTokens.tokens.map(token => token.denom);
 
-      const hasInvalidTokens = checkValidEntries(jsonData.blacklisted_tokens, tokens);
-      if (hasInvalidTokens.status && hasInvalidTokens.entry) {
-        let listOfInvalidTokens: string = hasInvalidTokens.entry.join(', ');
-        console.error(`ERROR: ${network}.json has the following invalid token denom entries: ${listOfInvalidTokens}. Please make sure to only input valid token denom in ${network}`);
+      const hasInvalidBlacklistedTokens = checkValidEntries(jsonData.blacklisted_tokens, tokens);
+      if (hasInvalidBlacklistedTokens.status && hasInvalidBlacklistedTokens.entry) {
+        let listOfInvalidTokens: string = hasInvalidBlacklistedTokens.entry.join(', ');
+        console.error(`ERROR: ${network}.json has the following invalid blacklisted token denom entries: ${listOfInvalidTokens}. Please make sure to only input valid token denom in ${network}`);
+        outcomeMap[network] = false;
+      }
+
+      const hasDuplicateBlacklistedTokens = checkDuplicateEntries(jsonData.blacklisted_tokens);
+      if (hasDuplicateBlacklistedTokens.status && hasDuplicateBlacklistedTokens.entry) {
+        let listOfDuplicates: string = hasDuplicateBlacklistedTokens.entry.join(", ");
+        console.error(`ERROR: ${network}.json has the following duplicated blacklisted token denom entries: ${listOfDuplicates}. Please make sure to input each token denom only once in ${network}`);
+        outcomeMap[network] = false;
+      }
+
+      const hasInvalidCrossSellingTokens = checkValidEntries(jsonData.cross_selling_source_tokens, tokens);
+      if (hasInvalidCrossSellingTokens.status && hasInvalidCrossSellingTokens.entry) {
+        let listOfInvalidTokens: string = hasInvalidCrossSellingTokens.entry.join(', ');
+        console.error(`ERROR: ${network}.json has the following invalid cross selling source token denom entries: ${listOfInvalidTokens}. Please make sure to only input valid token denom in ${network}`);
         outcomeMap[network] = false;
       }
 
-      const hasDuplicateTokens = checkDuplicateEntries(jsonData.blacklisted_tokens);
-      if (hasDuplicateTokens.status && hasDuplicateTokens.entry) {
-        let listOfDuplicates: string = hasDuplicateTokens.entry.join(", ");
-        console.error(`ERROR: ${network}.json has the following duplicated token denom entries: ${listOfDuplicates}. Please make sure to input each token denom only once in ${network}`);
+      const hasDuplicateCrossSellingTokens = checkDuplicateEntries(jsonData.cross_selling_source_tokens);
+      if (hasDuplicateCrossSellingTokens.status && hasDuplicateCrossSellingTokens.entry) {
+        let listOfDuplicates: string = hasDuplicateCrossSellingTokens.entry.join(", ");
+        console.error(`ERROR: ${network}.json has the following duplicated cross selling source token denom entries: ${listOfDuplicates}. Please make sure to input each token denom only once in ${network}`);
         outcomeMap[network] = false;
       }