Grammarly Common Errors

Error Reference

400 Bad Request — Text Too Short

Cause: Text has fewer than 30 words. Fix: Ensure minimum 30 words. Pad short texts with context if needed.

401 Unauthorized

Cause: Token expired or invalid. Fix: Re-authenticate with client credentials grant.

413 Payload Too Large

Cause: Text exceeds 100,000 characters or 4 MB. Fix: Split into chunks using paragraph boundaries. See grammarly-sdk-patterns for chunking function.

429 Too Many Requests