diff --git a/v2/api-validator/src/client/generated/models/AchCapability.ts b/v2/api-validator/src/client/generated/models/AchCapability.ts
index 2c6fda4c..81d33575 100644
--- a/v2/api-validator/src/client/generated/models/AchCapability.ts
+++ b/v2/api-validator/src/client/generated/models/AchCapability.ts
@@ -8,6 +8,11 @@ import type { NationalCurrency } from './NationalCurrency';
 export type AchCapability = {
     asset: NationalCurrency;
     transferMethod: AchCapability.transferMethod;
+    /**
+     * Identifier of the payer's bank, required for PSE-routed Ach on-ramps (e.g. COP). Not applicable to standard Ach transfers.
+     *
+     */
+    bankId?: string;
 };
 
 export namespace AchCapability {
diff --git a/v2/openapi/fb-provider-transfer-api.yaml b/v2/openapi/fb-provider-transfer-api.yaml
index daaaaa12..aca8ef8a 100644
--- a/v2/openapi/fb-provider-transfer-api.yaml
+++ b/v2/openapi/fb-provider-transfer-api.yaml
@@ -913,6 +913,12 @@ components:
           $ref: '#/x-schemas/NationalCurrency'
         transferMethod:
           enum: [ Ach ]
+        bankId:
+          type: string
+          description: >
+            Identifier of the payer's bank, required for PSE-routed Ach
+            on-ramps (e.g. COP). Not applicable to standard Ach transfers.
+          example: "1007"
 
     AchAddress:
       allOf:
diff --git a/v2/openapi/fb-unified-openapi.yaml b/v2/openapi/fb-unified-openapi.yaml
index 1e09dd46..11cd8b48 100644
--- a/v2/openapi/fb-unified-openapi.yaml
+++ b/v2/openapi/fb-unified-openapi.yaml
@@ -3735,6 +3735,11 @@ components:
         transferMethod:
           enum:
             - Ach
+        bankId:
+          type: string
+          description: |
+            Identifier of the payer's bank, required for PSE-routed Ach on-ramps (e.g. COP). Not applicable to standard Ach transfers.
+          example: '1007'
     AchAddress:
       allOf:
         - $ref: '#/components/schemas/AchCapability'