Schema Diff API Client Generator

Generate ready-to-run client code for the SchemaLens free schema diff API. Paste your schemas, pick a language, and copy the request into your script, pipeline, or notebook.

1. Request details

POST https://schemalens.tech/api/free-diff
No API key required. Free tier: 15 requests/minute.

⚡ Add schema diff to CI/CD

  • Run the same diff automatically on every PR with the SchemaLens GitHub Action.
  • Get PR comments, Check Run risk scores, and migration/rollback SQL.
  • Gate deploys on breaking-change detection and schema lockfile verification.
Add to GitHub Action → or try the API playground.

2. Generated client code