Contacts API Reference

Manage your audience, segment customers into groups, and synchronize external CRM data seamlessly with WACM.

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Base URL

https://app.wacm.in/api/v1/contacts

Authentication

Like other WACM APIs, the Contacts API requires a Bearer Token via the HTTP Header.

HTTP Header (Required)

Send the token securely in the Authorization request header.

Example Request Header

Authorization: Bearer YOUR_API_TOKEN

Contacts

GET /api/v1/contacts

Retrieve a paginated list of contacts. Add ?update_from=YYYY-MM-DD HH:MM:SS to filter recently modified contacts. Use ?page=1&limit=15 for pagination, and ?search=QUERY to search by name or phone.

POST /api/v1/contacts

Create or upsert a contact by phone number.

Parameters

Parameter	Description
phone Req	Contact phone number with country code.
name	Full name.
email	Email address.
{custom_field_name}	Any custom field attached to your company can be sent directly as a property (e.g. "email").

PUT /api/v1/contacts/{id}

DEL /api/v1/contacts/{id}

Update an existing contact or delete a contact.

Request: Upsert Contact POST Payload

{
  "phone": "1234567890",
  "name": "Jane Doe",
  "email": "jane@example.com",
  "company": "Acme Corp"
}