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

# Update Contact

> Update an existing contact's information

## Request

### Path Parameters

<ParamField path="id" type="string" required>
  Contact UUID
</ParamField>

### Headers

```
Authorization: Bearer wbk_your_api_key_here
Content-Type: application/json
```

### Body Parameters

<Note>
  Only include fields you want to update. Omitted fields will remain unchanged.
</Note>

<ParamField body="full_name" type="string">
  Contact's full name
</ParamField>

<ParamField body="email" type="string">
  Email address
</ParamField>

<ParamField body="phone" type="string">
  Phone number with country code
</ParamField>

<ParamField body="job_title" type="string">
  Job title or position
</ParamField>

<ParamField body="company_name" type="string">
  Company name
</ParamField>

<ParamField body="linkedin_url" type="string">
  LinkedIn profile URL
</ParamField>

<ParamField body="notes" type="string">
  Additional notes (appends to existing notes)
</ParamField>

## Response

<ResponseField name="data" type="object">
  The updated contact object

  <Expandable title="Contact properties">
    <ResponseField name="id" type="string">
      Contact ID (unchanged)
    </ResponseField>

    <ResponseField name="full_name" type="string">
      Updated full name
    </ResponseField>

    <ResponseField name="updated_date" type="string">
      ISO 8601 timestamp of this update
    </ResponseField>
  </Expandable>
</ResponseField>

<CodeGroup>
  ```bash cURL theme={null}
  curl -X PATCH \
    https://data.leadlex.com/functions/v1/api-gateway/v1/contacts/123e4567-e89b-12d3-a456-426614174000 \
    -H "Authorization: Bearer wbk_your_api_key_here" \
    -H "Content-Type: application/json" \
    -d '{
      "job_title": "Chief Legal Officer",
      "notes": "Promoted to CLO in Q1 2026"
    }'
  ```

  ```python Python theme={null}
  import requests

  API_KEY = "wbk_your_api_key_here"
  BASE_URL = "https://data.leadlex.com/functions/v1/api-gateway"
  CONTACT_ID = "123e4567-e89b-12d3-a456-426614174000"

  headers = {
      "Authorization": f"Bearer {API_KEY}",
      "Content-Type": "application/json"
  }

  updates = {
      "job_title": "Chief Legal Officer",
      "notes": "Promoted to CLO in Q1 2026"
  }

  response = requests.patch(
      f"{BASE_URL}/v1/contacts/{CONTACT_ID}",
      headers=headers,
      json=updates
  )

  contact = response.json()["data"]
  print(f"Updated contact: {contact['job_title']}")
  ```

  ```javascript JavaScript theme={null}
  const CONTACT_ID = '123e4567-e89b-12d3-a456-426614174000';

  const response = await fetch(
    `https://data.leadlex.com/functions/v1/api-gateway/v1/contacts/${CONTACT_ID}`,
    {
      method: 'PATCH',
      headers: {
        'Authorization': 'Bearer wbk_your_api_key_here',
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({
        job_title: 'Chief Legal Officer',
        notes: 'Promoted to CLO in Q1 2026'
      })
    }
  );

  const { data } = await response.json();
  console.log(`Updated: ${data.job_title}`);
  ```
</CodeGroup>

### Example Response

```json theme={null}
{
  "data": {
    "id": "123e4567-e89b-12d3-a456-426614174000",
    "full_name": "Jane Doe",
    "email": "jane@example.com",
    "job_title": "Chief Legal Officer",
    "company_name": "Acme Legal",
    "notes": "Met at conference. Interested in legal automation tools.\nPromoted to CLO in Q1 2026",
    "updated_date": "2026-02-24T15:00:00Z"
  }
}
```

## Partial Updates

You can update a single field without affecting others:

```bash theme={null}
# Update only the phone number
curl -X PATCH \
  https://data.leadlex.com/functions/v1/api-gateway/v1/contacts/123e4567 \
  -H "Authorization: Bearer wbk_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{"phone": "+1-555-9999"}'
```

## Errors

| Status | Code                       | Description                |
| ------ | -------------------------- | -------------------------- |
| 400    | `validation_error`         | Invalid field format       |
| 401    | `invalid_key`              | Invalid API key            |
| 403    | `insufficient_permissions` | Missing `write` permission |
| 404    | `not_found`                | Contact not found          |
| 429    | `rate_limited`             | Rate limit exceeded        |

### Example Validation Error

```json theme={null}
{
  "error": {
    "code": "validation_error",
    "message": "Invalid request parameters",
    "details": {
      "fields": {
        "email": "Invalid email format"
      }
    }
  }
}
```