API error · HTTP 413

`payload_too_large`

Payload too large

HTTP status	413 Content Too Large
`code`	`payload_too_large`
`title`	Payload too large
Retry?	No

What it means

The body is over the limit: 1 MB for every request body, and 25 MB per document upload (§16).

What to do

Do not retry unchanged. Send a smaller body, or compress or split the document.

Example response

Branch on code, never on title or detail. detail varies; quote request_id to support.

HTTP

HTTP/1.1 413 Content Too Large
Content-Type: application/problem+json

{
  "type": "https://www.underwritinguk.ai/developers/errors/payload_too_large",
  "title": "Payload too large",
  "status": 413,
  "code": "payload_too_large",
  "detail": "Payload too large.",
  "request_id": "7b0b1e5c-2f7e-4a52-9a43-5b0d0f0e9d11"
}

All error codes · Error catalogue in the integration guide (§15) · Error handling and retries (§12.4)