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POST
/
v1
/
contacts
/
{id}
/
messages
Send a proactive message to a contact
curl --request POST \
  --url https://api.conduit.ai/v1/contacts/{id}/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "channel_node_id": "hg77c0dy0mgdpzmqz6tesry8w184002s",
  "sender_id": "whatsapp_number:+14155550999",
  "whatsapp_template": {
    "content_sid": "HXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
    "variables": {
      "1": "Alex",
      "2": "May 15 at 3 PM"
    }
  }
}
'
{
  "data": {
    "id": "yh7t5azsr0zpfpyf67vtce0j6n844y1e",
    "workspace_id": "j57demo8f8x7c9v0n2q4r6t8y1u3i5o",
    "contact_id": "ph77c0dy0mgdpzmqz6tesry8w184002s",
    "channel_node_id": "hg77c0dy0mgdpzmqz6tesry8w184002s",
    "sender_id": "gmail_account:team@conduit.ai",
    "channel": "email",
    "status": "sent"
  }
}

Authorizations

​
Authorization
string
header
required

Conduit API token. Use Authorization: Bearer <token>. Read/write endpoints require a token with write access.

Path Parameters

​
id
string
required

Contact id.

Example:

"ph77c0dy0mgdpzmqz6tesry8w184002s"

Query Parameters

​
workspace_id
string

Optional workspace override. If omitted, Conduit resolves the contact's workspace automatically.

Example:

"j57demo8f8x7c9v0n2q4r6t8y1u3i5o"

Body

application/json

Request body for sending a proactive message to a contact through an explicit channel node. Provide either body for plain text or whatsapp_template for a WhatsApp template send.

​
channel_node_id
string
required

Exact contact channel node to deliver through.

​
sender_id
string

Optional workspace sender to use. Required when multiple compatible senders exist and no single default can be chosen.

​
body
string

Plain-text message body. Required unless whatsapp_template is provided.

Minimum string length: 1
​
subject
string

Optional subject for email channel nodes.

​
whatsapp_template
object

WhatsApp template to send instead of a plain-text body. Only valid for WhatsApp channel nodes.

Response

Contact message accepted

Result returned after a proactive contact message is accepted for delivery.

​
data
object
required