Send a message

curl -X POST https://console.trychert.com/api/v1/chats/$CHAT_ID/messages \
  -H "Authorization: Bearer $CHERT_SIGNING_SECRET" \
  -H "Content-Type: application/json" \
  -d '{
    "message": {
      "parts": [{ "type": "text", "value": "How about 3pm PT?" }],
      "idempotency_key": "followup-2026-05-01-002"
    }
  }'

{
  "message": {
    "parts": [
      { "type": "text", "value": "See attached." },
      { "type": "media", "attachment_id": "9f3b27a8c14d4a6f8e2b91d4c5e6f7a8" }
    ]
  }
}

{
  "message": {
    "parts": [
      { "type": "text", "value": "Leaving this here." },
      { "type": "rich_link", "url": "https://example.com/demo" }
    ]
  }
}

{
  "message": {
    "parts": [
      { "type": "media", "attachment_id": "9f3b27a8c14d4a6f8e2b91d4c5e6f7a8" },
      { "type": "text", "value": "Hi Marcus, this is Todd from Texas Prime Plumbing. I would really appreciate a Google review." },
      { "type": "rich_link", "url": "https://search.google.com/local/writereview?placeid=..." }
    ]
  }
}

{
  "message": {
    "id": "46eb1003c8b54b7ea8f1c2b03e9a7d12",
    "chat_id": "0f2d3c1a-8b4e-4f6a-90d2-1a3b4c5d6e7f",
    "parts": [{ "type": "text", "value": "How about 3pm PT?" }],
    "status": "sent",
    "direction": "outbound",
    "created_at": "2026-05-01T14:30:00Z",
    "delivered_at": null,
    "read_at": null,
    "service": "imessage"
  }
}