Returns the campaign's sender selection plus everything needed to change it: every mailbox in the organization flagged selected, the teammates currently pooled, and the org members available to pool.

Sends round-robin across the resolved pool, respecting each mailbox's daily cap. Connect more mailboxes in the Floqer UI under Connections → Mailboxes.

{
  "data": {
    "mailboxes": [
      {
        "provider": "google"
      }
    ]
  }
}