| Code | Meaning | Description |
|---|---|---|
| 200 | OK | Successful request |
| 201 | Created | Resource created successfully |
| 400 | Bad Request | Invalid request parameters |
| 401 | Unauthorized | Authentication failed—invalid credentials |
| 403 | Forbidden | Access to resource denied |
| 404 | Not Found | Resource does not exist |
| 409 | Conflict | Duplicate or conflicting operation |
| 422 | Unprocessable Entity | Invalid resource state or parameters |
| 429 | Too Many Requests | Rate limit exceeded |
| 500 | Internal Server Err | Problem at IMB Payments’ side |
client-id or client-secret.