mailbox_not_ready

No Mailbox yet. Answered with 404.

What it means

The Identity has no Mailbox: its provisioning saga has not finished the mailbox step, or that step failed.

What to do

Poll GET /api/identities/{handle} until status is ready, then send again.

The body

{
  "type": "https://tigby.eu/problems/mailbox_not_ready",
  "title": "No Mailbox yet",
  "status": 404,
  "detail": "…what was refused, naming this request's own values",
  "code": "mailbox_not_ready",
  "doc_url": "https://docs.tigby.eu/errors/mailbox_not_ready",
  "agent_hint": "…the next step, for software"
}

Branch on code. The detail names this request's own Handle, id or limit and is not part of the contract.