API v2 error codes

All TON Center API v2 methods use a standard set of HTTP status codes to indicate the result of a request.

Status code	Description
404 Not Found	The requested resource does not exist in storage.
405 Method Not Allowed	The endpoint was called with an unsupported HTTP method. Use GET or POST.
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., missing, malformed, or conflicting values).
429 Too Many Requests	Too many requests. Back off and retry.
500 Internal Server Error	An internal error occurred. Retry or contact support if it persists.
504 Gateway Timeout	The liteserver did not respond in time. Retry the request.
542 Server Error	A liteserver error or an unsupported TVM stack type was encountered.

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