# Look up carrier + line type

Looks up a carrier + line type.

```http
GET https://api.pozy.ai/v1/sms/lookup
```

- Area: Messaging / SMS
- Auth: Authorization: Bearer pz_live_...

## Query parameters

- `number` (string, required)

## Example request

```bash
curl -X GET "https://api.pozy.ai/v1/sms/lookup?number=string" \
  -H "Authorization: Bearer $POZY_API_KEY"
```

```ts
const res = await fetch("https://api.pozy.ai/v1/sms/lookup?number=string", {
  headers: { Authorization: `Bearer ${process.env.POZY_API_KEY}` },
});
const data = await res.json();
if (!res.ok) throw new Error(data?.error ?? `Request failed with status ${res.status}`);
console.log(data);
```

```python
import os
import requests

resp = requests.get(
    "https://api.pozy.ai/v1/sms/lookup",
    headers={"Authorization": f"Bearer {os.environ['POZY_API_KEY']}"},
    params={
        "number": "string",
    },
    timeout=30,
)
resp.raise_for_status()
print(resp.json())
```

## Response 200

- `phoneNumber`, string
- `carrierName`, string: Can be null
- `lineType`, string: One of `mobile`, `landline`, `voip`, `toll-free`, `unknown`
- `smsReachable`, boolean

```json
{
  "phoneNumber": "+14155550123",
  "carrierName": "Acme",
  "lineType": "mobile",
  "smsReachable": true
}
```