POST /v1/calls/schedule

curl -X POST https://api.vonative.com/v1/calls/schedule \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "assistant_id": "668a5015-e94c-4769-9180-72dff89ee9f4",
    "phone_number_id": "cb977a7d-45d7-44a1-99f5-59fe19efe36e",
    "calls": [
      { "phone_number": "+2348012345678", "name": "John Doe" },
      { "phone_number": "+2348098765432", "name": "Jane Smith" }
    ],
    "scheduled_at": "2026-05-21T09:00:00Z",
    "initiate_via": "telnyx",
    "metadata": { "source": "campaign" }
  }'

{
  "success": true,
  "data": {
    "results": [
      {
        "phone_number": "+2348012345678",
        "status": "scheduled",
        "session_id": null,
        "error": null
      },
      {
        "phone_number": "+2348098765432",
        "status": "scheduled",
        "session_id": null,
        "error": null
      }
    ],
    "message": "0 dispatched, 2 scheduled, 0 failed"
  }
}