Everything you need to integrate and use DiffChecker Pro effectively.
Get up and running with DiffChecker Pro in under 5 minutes.
Understand how DiffChecker Pro processes and displays differences.
Complete REST API documentation with request/response examples.
Step-by-step guides for common workflows and integrations.
What's new in each version of DiffChecker Pro.
Official client libraries for JavaScript, TypeScript, and Python.
Quick reference cards for the most commonly used features and API endpoints.
Compare plain text, code, and configuration files via API. Returns structured hunks with line numbers.
Semantic JSON diff that ignores key order and formatting — compares actual data values.
Upload files up to 50 MB (Pro) via multipart form data or base64-encoded string.
Generate permanent shareable links programmatically via POST /share.
Receive HTTP callbacks when a comparison completes or a shared link expires.
Understand the rate limit headers and how to handle 429 responses gracefully.
Official JavaScript/TypeScript and Python SDKs are in development. Sign up to be notified when they ship.