- 400: Validation issues (e.g., missing fields, invalid dates).
- 401: Unauthorized (invalid/missing token).
- 404: Resource not found (e.g., consent/account).
- 500: Internal errors – contact support.
Best Practices
- Always check consent status before fetching data.
- Handle token expiration by regenerating as needed.
- Use pagination for large transaction sets.
- Securely store user IDs and merchant IDs.
- Monitor
x-request-idfor debugging.
For integration with Token.io, refer to their Accounts API documentation.

