OpenRouter error
OpenRouter 413 payload_too_large: what it means and how to fix it
Error message
413 payload_too_largeRetry? Not statedLast verified 1 documented fix1 source
What it means
The request body exceeds the maximum allowed size.
Causes
- Request body larger than the allowed maximum
How to fix it
- Fix 1.
Reduce the request body size.
More OpenRouter errors
All 32 OpenRouter errors400 invalid_requestRetry? Not stated400 invalid_promptRetry? Not stated400 context_length_exceededRetry? Not stated400 max_tokens_exceededRetry? Not stated400 token_limit_exceededRetry? Not stated400 string_too_longRetry? Not stated400 invalid_imageRetry? Not stated400 image_too_largeRetry? Not stated
HTTP 413 at other providers
Compare 413 across providersFAQ
What does the OpenRouter error "413 payload_too_large" mean?
The request body exceeds the maximum allowed size.
How do I fix OpenRouter "413 payload_too_large"?
Reduce the request body size.
Should I retry OpenRouter "413 payload_too_large"?
Not stated. The official docs do not say whether this error is retryable.
Which other AI APIs return HTTP 413?
Per their official error docs: Anthropic API (413 request_too_large), Groq API (413 Request Entity Too Large).
Sources
Last verified against 1 source: OpenRouter's official docs and official SDK repositories.
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