Send Message
whatsapp.send_message
ActionChat & messagingconnection required
Calls POST /{phone_number_id}/messages with type=text.
Send a text message to a WhatsApp user via the WhatsApp Business Cloud API.
Connection
- Required
- Yes — the node will not save without one
- Auth type
- API key
- Providers
- WhatsApp Business
- Secret shape
- {"access_token": "…"} (or the raw token)
- Resolved by
- config.connection_id, else node.connection_id
Configuration
5 fields, 2 required. A dotted path is a nested object and name[] an array of objects — the editor renders the same tree.
| Field | Type | Required | Default | Constraints | Example |
|---|---|---|---|---|---|
to Recipient number, country code first, digits only. Supports {{ }}. | string | Yes | — | — | — |
text Message body. Supports {{ }} expressions. | string | Yes | — | — | — |
preview_url Render a preview for a link in the text. | boolean | No | — | — | — |
reply_to_message_id Reply in-thread to this inbound wamid. | string | No | — | — | — |
phone_number_id Send from this number instead of the connection's default. | string | No | — | — | — |
Output
One shape.
sent
| Field | Type | Example |
|---|---|---|
ok | boolean | true |
message_id WhatsApp message id (wamid.…). | string | — |
wa_id The recipient's canonical WhatsApp id. | string | — |
{
"message_id": "",
"ok": true,
"wa_id": ""
}Notes
- Free-form messages are only delivered within 24 hours of the user's last message to you (error 131047 otherwise) — use whatsapp.send_template to start a conversation.
Related WhatsApp Business nodes
See Send Message run in a workflow.
In a technical demo we add the WhatsApp Business connection, drop the node on the canvas and let Workflow Health pre-flight it before the first real run.