## List contact fields

`GET https://whatsapp.paaltech.org/api/v1/businesses/{external_id}/contact-fields`

The business's custom contact fields.

Ability: `contacts.read`

### Path parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `external_id` | string | yes | Your own ID for the business (Multi-SKUUL - the tenant ID). Max 191 characters. Pattern `^[A-Za-z0-9._:-]+$` |

### Request

```bash
curl --request GET \
  --url 'https://whatsapp.paaltech.org/api/v1/businesses/presec/contact-fields' \
  --header "Authorization: Bearer $PAALCHAT_TOKEN" \
  --header 'Accept: application/json'
```

### Responses

- **200** - The fields.

```json
{
  "data": [
    {
      "key": "class",
      "label": "Class",
      "type": "choice",
      "choices": ["SHS 1", "SHS 2", "SHS 3"]
    },
    {
      "key": "fee_balance",
      "label": "Fee balance (GHS)",
      "type": "number",
      "choices": null
    }
  ]
}
```

- **401** - unauthenticated - missing, invalid, revoked or expired token

```json
{
  "error": {"code": "unauthenticated", "message": "A valid product token is required."}
}
```

- **403** - missing_ability, product_suspended or product_token_required

```json
{
  "error": {
    "code": "missing_ability",
    "message": "This token does not have the ability this request needs."
  }
}
```

- **404** - not_found - not yours, or does not exist

```json
{"error": {"code": "not_found", "message": "Business not found."}}
```

- **429** - rate_limited - over 300 requests/minute for this product

```json
{
  "error": {
    "code": "rate_limited",
    "message": "Too many requests. Slow down and retry after the Retry-After header."
  }
}
```