# Pre-check a carrier registration

Pre-checks a carrier registration without changing anything.

```http
POST https://api.pozy.ai/v1/sms/registrations/preflight
```

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

## Request body

Content type: `application/json`

- `registrationType`, string, required: One of `standard_10dlc`, `sole_prop_10dlc`
- `phoneNumbers`, array of string
- `brand`, object, required
- `campaign`, object, required
- `messagingBrandName`, string: 2 to 60 characters

## Example request

```bash
curl -X POST "https://api.pozy.ai/v1/sms/registrations/preflight" \
  -H "Authorization: Bearer $POZY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "registrationType": "standard_10dlc",
  "brand": {},
  "campaign": {}
}'
```

```ts
const res = await fetch("https://api.pozy.ai/v1/sms/registrations/preflight", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.POZY_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    registrationType: "standard_10dlc",
    brand: {},
    campaign: {}
  }),
});
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.post(
    "https://api.pozy.ai/v1/sms/registrations/preflight",
    headers={"Authorization": f"Bearer {os.environ['POZY_API_KEY']}"},
    json={
        "registrationType": "standard_10dlc",
        "brand": {},
        "campaign": {},
    },
    timeout=30,
)
resp.raise_for_status()
print(resp.json())
```

## Response 200

- `composed`, object
  - `brand`, object
  - `campaign`, object
- `advisories`, array of object
  - `field`, string: Can be null
  - `code`, string: Can be null
  - `concern`, string
  - `severity`, string: One of `block`, `warn`
- `verdict`, string: One of `pass`, `warn`, `fail`, `unreviewed`
- `aiUnavailable`, boolean

```json
{
  "composed": {
    "brand": {},
    "campaign": {}
  },
  "advisories": [
    {
      "field": "string",
      "code": "string",
      "concern": "string",
      "severity": "block"
    }
  ],
  "verdict": "pass",
  "aiUnavailable": true
}
```