PDF.co API Error Codes and How to Fix Them

✅ Success.

–

✅ No content.

–

❌ Bad request. Missing or invalid input parameters or inaccessible input URLs.

Learn how to fix 400 errors

❌ Unauthorized. Missing or invalid API key.

Troubleshoot 401 Unauthorized

❌ Not enough credits.

How to resolve 402 errors

❌ Access forbidden for input URL.

Fix 403 Forbidden Error

❌ Resource or file not found.

Troubleshoot 404 Not Found

❌ Server timeout.

Tips for fixing 408 Timeout

❌ Request entity too large.

Handling 413 Request Too Large

❌ URI too long.

Fix 414 URI Too Long

❌ Unsupported media type.

Resolve 415 Unsupported Media Type

❌ Too many requests. Rate limiting triggered.

Understanding Rate Limits (429)

❌ Invalid password. PDF is password protected.

Fix 441 Password Protected

❌ Input document damaged or unsupported type.

Troubleshoot 442 Damaged File

❌ Permissions error. Action blocked by document security.

Fix 443 Permissions Error

❌ Profiles parsing error. Invalid configuration.

How to fix 444 Profiles Error

❌ Timeout error.

Resolve 445 Timeout Error

❌ Missing files for conversion.

Fix 446 Missing Files

❌ Invalid template.

Fix 447 Invalid Template

❌ Invalid URL or HTML.

Fix 448 Invalid URL/HTML

❌ Invalid index range.

Fix 449 Invalid Index

❌ Invalid page range.

Fix 450 Invalid Page Range

❌ Invalid URL.

Fix 452 Invalid URL

❌ Invalid parameters.

Fix 454 Invalid Parameters

❌ Failed to send email.

Fix 455 Email Error

❌ Invalid color format.

Fix 456 Invalid Color

❌ SMTP server blocked.

Fix 457 SMTP Blocked

❌ Invalid base64 image.

Fix 466 Base64 Image

❌ Incorrect result data.

Fix 490 Incorrect Result

❌ Server error.

Troubleshoot 500 Server Error

❌ Not implemented.

Fix 501 Not Implemented

❌ Bad gateway.

Fix 502 Bad Gateway

❌ Service unavailable.

Fix 503 Service Unavailable

❌ Gateway timeout.

Fix 504 Gateway Timeout

❌ HTTP version not supported.

Fix 505 HTTP Version