Successful response

The body is not a JSON object, or the Idempotency-Key header is not 1 to 255 printable ASCII characters

Missing, invalid or expired access token

The token does not hold bookings:write, the account may not do this, or an API key was sent (oauth_required), or a DJ's third-party app without the Platinum plan was used (plan_required)

Not found: no such record of mine (another person's id included)

Not possible now: the record's state does not allow it, or the Idempotency-Key was used with another body (code says why, such as payouts_not_ready)

Changed since you read it: the expected_updated_at you sent is not its updated_at any more

Some of the input is not valid, or a query parameter this request does not take was sent; fields names each

Rate limited; see Retry-After

Temporarily unavailable; safe to retry