API v3 error codes

All TON Center API v3 methods use a standard set of HTTP status codes to indicate the result of a request.

Status code	Description
401 Unauthorized	A required parameter was not included in the request.
404 Not Found	The requested resource does not exist in storage.
409 Conflict	The resource was found but does not match the expected type for this method.
422 Unprocessable Content	The request parameters failed validation (e.g., conflicting or malformed filters).
500 Internal Server Error	An internal error occurred. Retry or contact support if it persists.

For method-specific error messages and troubleshooting details, refer to the documentation for the relevant endpoint.