Client Error

HTTP 413 Payload Too Large

The request body is larger than the server is willing to accept.

Check a URL for HTTP 413

Paste any URL to see whether it currently returns 413. Runs a live HTTP probe and follows redirects.

What does HTTP 413 mean?

HTTP 413 Payload Too Large (formerly "Request Entity Too Large") means the request body exceeds the server's size limit. Common with file uploads, large form submissions, or API requests with excessive data.

Common Causes

•File upload exceeds server limit
•Large JSON payload in API request
•Nginx/Apache body size limit reached
•Proxy or WAF size restriction

How to Fix It

1.Increase client_max_body_size in Nginx
2.Increase LimitRequestBody in Apache
3.Implement chunked file uploads
4.Compress request data

SEO Impact

No direct SEO impact. Affects file upload functionality.

Monitor HTTP 413 with LemWatch

LemWatch can monitor your upload endpoints to ensure they handle files within your expected size limits.

Related Status Codes

Bad Request

URI Too Long

Method Not Allowed

Request Timeout

Gone

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