diff --git a/v2/api-validator/src/client/generated/models/ApiComponents.ts b/v2/api-validator/src/client/generated/models/ApiComponents.ts
index b220a325..fb3e852c 100644
--- a/v2/api-validator/src/client/generated/models/ApiComponents.ts
+++ b/v2/api-validator/src/client/generated/models/ApiComponents.ts
@@ -20,5 +20,6 @@ export type ApiComponents = {
     collateral?: AccountsSet;
     ramps?: AccountsSet;
     rates?: AccountsSet;
+    custom?: AccountsSet;
 };
 
diff --git a/v2/api-validator/src/server/handlers/capabilities-handlers.ts b/v2/api-validator/src/server/handlers/capabilities-handlers.ts
index 590a8f3b..f89523c1 100644
--- a/v2/api-validator/src/server/handlers/capabilities-handlers.ts
+++ b/v2/api-validator/src/server/handlers/capabilities-handlers.ts
@@ -18,6 +18,7 @@ const CAPABILITIES: Capabilities = {
     collateral: '*',
     ramps: '*',
     rates: '*',
+    custom: '*',
   },
 };
 
diff --git a/v2/api-validator/tests/sanity-tests/capabilities.test.ts b/v2/api-validator/tests/sanity-tests/capabilities.test.ts
index a1ad388f..51659acf 100644
--- a/v2/api-validator/tests/sanity-tests/capabilities.test.ts
+++ b/v2/api-validator/tests/sanity-tests/capabilities.test.ts
@@ -36,6 +36,7 @@ describe('Capabilities', () => {
         // 'trading',
         'liquidity',
         'ramps',
+        'custom',
       ];
 
       let accountIds: string[];
diff --git a/v2/openapi/fb-provider-api.yaml b/v2/openapi/fb-provider-api.yaml
index 3205c7f2..b67d9897 100644
--- a/v2/openapi/fb-provider-api.yaml
+++ b/v2/openapi/fb-provider-api.yaml
@@ -885,6 +885,8 @@ components:
           $ref: '#/components/schemas/AccountsSet'
         rates:
           $ref: '#/components/schemas/AccountsSet'
+        custom:
+          $ref: '#/components/schemas/AccountsSet'
 
     AccountsSet:
       description: >-
diff --git a/v2/openapi/fb-unified-openapi.yaml b/v2/openapi/fb-unified-openapi.yaml
index c9b0a800..714f2c11 100644
--- a/v2/openapi/fb-unified-openapi.yaml
+++ b/v2/openapi/fb-unified-openapi.yaml
@@ -2798,6 +2798,8 @@ components:
           $ref: '#/components/schemas/AccountsSet'
         rates:
           $ref: '#/components/schemas/AccountsSet'
+        custom:
+          $ref: '#/components/schemas/AccountsSet'
     AccountsSet:
       description: Indicates to which sub-accounts an operation applies. The value could be either a list of sub-account IDs or "*". The value "*" indicates all the sub-accounts.
       oneOf: