# Add Form to Transaction **POST /transactions/{transactionId}/documents/form** Adds a form (by its GUID) to a transaction. Form GUIDs are obtained from the Get Library Forms endpoint. ## Servers - Production: https://ws.zipformplus.com/api (Production) - Staging/QA: https://api.pre.zipformplus.com/api (Staging/QA) ## Authentication methods - Context auth ## Parameters ### Path parameters - **transactionId** (string(uuid)) Transaction GUID ### Body: application/json (object) - **id** (string(uuid)) Form GUID from the library ## Responses ### 201 Form added successfully. Returns the form GUID. #### Body: application/json (string(uuid)) string(uuid) ### 401 Unauthorized ### 404 Transaction or form not found [Powered by Bump.sh](https://bump.sh)