Compare OpenAPI specs
Detect breaking contract changes before they hit production. Paste or upload JSON/YAML — no account required.
Compare in CI for your API. Watch everyone else's live specs and MCP tools with DriftGuard watches.
Step 1 · Choose OpenAPI specs
Step 2 · Results
Keep watching after release
CI diff catches changes at merge time. DriftGuard watches live vendor OpenAPI and MCP tool catalogs on a schedule.
Save compares to history with driftguard openapi-diff --remote or the console Compare history tab.