500
errors.
Idempotency-Key: <key>
header. The <key>
can be any unique string
up to 255 characters long. (We recommend using V4 UUIDs). All POST
requests accept
idempotency keys.
503
error status with the a sub type of IDEMPOTENCY_UNAVAILABLE
If idempotency
is required, we recommend retrying your request later, otherwise, fall back to non-idempotent processing by
not submitting the Idempotency-Key
header.