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https://optimizeyourimage.com/docs/problems/invalid-idempotency-key

What it means

The Idempotency-Key header was present but malformed. Keys must contain 1-255 visible ASCII characters.

How to resolve it

Use a simple unique string such as a UUID.

Retrying

Retry with a valid key. Failed requests are not billed.

Include the X-Request-Id response header when contacting [email protected] about a specific failure.