1
Check the key
"accountId" to the release body in the next step.2
Send the release
Pick your own ID for the release (here The response is
NOVA-004). Sending the same ID again later updates this release instead of creating another.201 Created with the release. Its files show "status": "pending" while they’re downloaded and checked.3
Wait for the files
artwork.file.status and each track’s audio.file.status are ready, the files are in place. If one is failed, its error says why.4
Validate
"ready": true means it can be submitted. Otherwise errors lists what to fix. Fix it by sending the release again with PUT.5
Submit
in_review. Follow it with GET /delivery/releases/NOVA-004, as described in Release status.