Idempotency-Key Header Added to Scalingo API v2 (2024.02) – Retention Period and Endpoint Coverage Questions
Goal: ensure that a transient failure on a mutating POST request to Scalingo’s API does not create duplicate resources when retrying. Uncertainty: the Idempotency‑Key header was introduced in platform release 2024.02 for v2 endpoints such as /apps and /addons, but the documentation notes that the key is persisted for approximately 24 hours and that this rete
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