API Drifter researchInvestigations into how published API specs compare with live behavior.https://apidrifter.com/enWe checked 13 public APIs against their own OpenAPI specs. 9 had hard mismatches.https://apidrifter.com/research/public-api-spec-drift-2026-11/https://apidrifter.com/research/public-api-spec-drift-2026-11/A read-only survey of public APIs that publish a spec: what their live responses actually return, classified strictly, with every request reproducible.Mon, 02 Nov 2026 00:00:00 GMT