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

# Update contact

> Modify an existing contact's details, tags, or custom metadata

Update profile fields, assign or replace segmentation tags, and edit custom key-value metadata on an existing contact record.

***

### Authentication

This endpoint requires Bearer token authentication.

```http theme={null}
Authorization: Bearer <token>
```

| Header          | Type     | Required | Description                                     | Format           |
| :-------------- | :------- | :------- | :---------------------------------------------- | :--------------- |
| `Authorization` | `string` | **Yes**  | Scoped organization API key or Bearer JWT token | `Bearer <token>` |

***

### Input parameters

<ParamField path="contact_id" type="string" required>
  Unique UUID identifier of the contact to update. Example: `7b8f9e2a-4c1d-48ef-9123-bcde456789ab`.
</ParamField>

<ParamField header="Authorization" type="string" required>
  Bearer token for authentication. Format: `Bearer <token>`.
</ParamField>

<ParamField body="name" type="string">
  Updated full name of the contact.
</ParamField>

<ParamField body="phone_number" type="string">
  Updated destination telephone number.
</ParamField>

<ParamField body="tags" type="string[]">
  Updated array of segmentation tags (e.g. `["vip", "churn_risk"]`).
</ParamField>

<ParamField body="notes" type="string">
  Updated internal notes.
</ParamField>

<ParamField body="custom_fields" type="object">
  Updated custom metadata attributes dictionary.
</ParamField>

***

### Response Fields

Returns the updated [ContactResponse](/api-reference/contacts/create-contact#response-fields) object:

<ResponseField name="id" type="string">Contact UUID.</ResponseField>
<ResponseField name="organization_id" type="string">Organization UUID.</ResponseField>
<ResponseField name="phone_number" type="string">Updated telephone number.</ResponseField>
<ResponseField name="name" type="string">Updated full name.</ResponseField>
<ResponseField name="tags" type="string[]">Updated segmentation tags.</ResponseField>
<ResponseField name="notes" type="string">Updated internal notes.</ResponseField>
<ResponseField name="custom_fields" type="object">Updated metadata object.</ResponseField>
<ResponseField name="created_at" type="string">Creation timestamp.</ResponseField>
<ResponseField name="updated_at" type="string">Modification timestamp.</ResponseField>

***

<RequestExample>
  ```bash cURL theme={null}
  curl -X PUT "https://api.sayvy.ai/api/v1/contacts/7b8f9e2a-4c1d-48ef-9123-bcde456789ab" \
    -H "Authorization: Bearer <token>" \
    -H "Content-Type: application/json" \
    -d '{
      "name": "Jane Doe-Smith",
      "tags": ["vip", "promoter"],
      "notes": "Upgraded to Enterprise tier"
    }'
  ```

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

  url = "https://api.sayvy.ai/api/v1/contacts/7b8f9e2a-4c1d-48ef-9123-bcde456789ab"

  payload = {
      "name": "Jane Doe-Smith",
      "tags": ["vip", "promoter"],
      "notes": "Upgraded to Enterprise tier"
  }

  headers = {
      "Authorization": "Bearer <token>",
      "Content-Type": "application/json"
  }

  response = requests.put(url, json=payload, headers=headers)
  print(response.status_code)
  print(response.json())
  ```

  ```javascript JavaScript theme={null}
  const response = await fetch("https://api.sayvy.ai/api/v1/contacts/7b8f9e2a-4c1d-48ef-9123-bcde456789ab", {
    method: "PUT",
    headers: {
      "Authorization": "Bearer <token>",
      "Content-Type": "application/json"
    },
    body: JSON.stringify({
      name: "Jane Doe-Smith",
      tags: ["vip", "promoter"],
      notes: "Upgraded to Enterprise tier"
    })
  });

  const data = await response.json();
  console.log(data);
  ```

  ```java Java theme={null}
  HttpRequest request = HttpRequest.newBuilder()
      .uri(URI.create("https://api.sayvy.ai/api/v1/contacts/7b8f9e2a-4c1d-48ef-9123-bcde456789ab"))
      .header("Authorization", "Bearer <token>")
      .header("Content-Type", "application/json")
      .PUT(HttpRequest.BodyPublishers.ofString("""
        {
          "name": "Jane Doe-Smith",
          "tags": ["vip", "promoter"],
          "notes": "Upgraded to Enterprise tier"
        }
      """))
      .build();

  HttpResponse<String> response =
      HttpClient.newHttpClient().send(request, HttpResponse.BodyHandlers.ofString());
  System.out.println(response.body());
  ```
</RequestExample>

<ResponseExample>
  ```json 200 OK theme={null}
  {
    "id": "7b8f9e2a-4c1d-48ef-9123-bcde456789ab",
    "organization_id": "93f35dc2-5d46-4e58-a9ee-038c35d9bcf1",
    "phone_number": "+14155550199",
    "name": "Jane Doe-Smith",
    "tags": [
      "vip",
      "promoter"
    ],
    "notes": "Upgraded to Enterprise tier",
    "custom_fields": {
      "company": "Acme Corp",
      "lead_score": 92
    },
    "created_at": "2026-09-07T11:00:00Z",
    "updated_at": "2026-09-07T14:40:00Z"
  }
  ```

  ```json 401 Unauthorized theme={null}
  {
    "detail": "Unauthorized"
  }
  ```

  ```json 404 Not Found theme={null}
  {
    "detail": "Contact not found"
  }
  ```
</ResponseExample>

***

<div
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justifyContent: "space-between",
backgroundColor: "rgba(255, 255, 255, 0.03)",
border: "1px solid rgba(255, 255, 255, 0.08)",
borderRadius: "16px",
padding: "10px 18px",
marginTop: "40px",
gap: "16px",
flexWrap: "wrap"
}}
>
  <a
    href="/api-reference/contacts/list-contacts"
    style={{
display: "inline-flex",
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gap: "6px",
color: "#94A3B8",
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padding: "8px 16px",
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}}
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    <div style={{ textAlign: "right" }}>
      <div style={{ fontSize: "13px", fontWeight: "700", color: "#F8FAFC" }}>Delete contact</div>

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        DELETE /api/v1/contacts/\{contact\_id}
      </div>
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