LinkedIn Idempotency-Key: Uncertain Duplicate‑Write Prevention Across Mutating Endpoints
Goal Enable safe retry logic for LinkedIn mutating calls (POST, PUT, PATCH) by leveraging the documented X‑Restli‑Idempotency‑Key header, while ensuring that duplicate writes are not created when a request is retried. Constraints & Uncertainty The API documentation states that the idempotency key is optional and may be supported by some endpoints, but it