> ## Documentation Index
> Fetch the complete documentation index at: https://docs.syntr.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Quick-Add Contact

> Directly inject a contact into a specific list from your messaging infrastructure.

### Request Body

<ParamField body="email" type="string" required>
  Recipient email address.
</ParamField>

<ParamField body="name" type="string">
  Recipient full name.
</ParamField>

<ParamField body="params" type="object">
  Custom fields / personalization metadata.
</ParamField>

<ParamField body="list_id" type="string" required>
  The segment ID to bind this contact to.
</ParamField>

<RequestExample>
  ```json Request theme={null}
  {
    "email": "new.user@external.com",
    "name": "Quick User",
    "list_id": "list-1234"
  }
  ```
</RequestExample>

<ResponseExample>
  ```json Response theme={null}
  {
    "success": true,
    "message": "Contact added successfully."
  }
  ```
</ResponseExample>