# Attach numbers to a verified identity

Attaches numbers to a verified identity.

```http
POST https://api.pozy.ai/v1/branded-calling/identities/{id}/numbers
```

- Area: Phone & voice / Branded Calling
- Auth: Authorization: Bearer pz_live_...

## Path parameters

- `id` (string, required)

## Request body

Content type: `application/json`

- `phoneNumberIds`, array of string, required: At least 1 item. Up to 15 items
- `signature`, object, required
  - `imageBase64`, string, required
  - `signerName`, string: Up to 255 characters

## Example request

```bash
curl -X POST "https://api.pozy.ai/v1/branded-calling/identities/6bfebd43ddc270f6d2c56fc5/numbers" \
  -H "Authorization: Bearer $POZY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "phoneNumberIds": [
    "+14155550123"
  ],
  "signature": {
    "imageBase64": "string"
  }
}'
```

```ts
const res = await fetch("https://api.pozy.ai/v1/branded-calling/identities/6bfebd43ddc270f6d2c56fc5/numbers", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.POZY_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    phoneNumberIds: [
      "+14155550123"
    ],
    signature: {
      imageBase64: "string"
    }
  }),
});
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/branded-calling/identities/6bfebd43ddc270f6d2c56fc5/numbers",
    headers={"Authorization": f"Bearer {os.environ['POZY_API_KEY']}"},
    json={
        "phoneNumberIds": [
            "+14155550123",
        ],
        "signature": {
            "imageBase64": "string",
        },
    },
    timeout=30,
)
resp.raise_for_status()
print(resp.json())
```

## Response 201

- `numbers`, array of object
  - `phoneNumberId`, string
  - `phoneNumber`, string
  - `status`, string: One of `submitted`, `in_review`, `verified`, `unsuccessful`, `suspended`, `expired`, `permanently_rejected`
  - `rejectionReason`, object: Can be null
    - `code`, string
    - `title`, string
    - `detail`, string
    - `message`, string: Can be null
  - `verifiedAt`, string (date-time): Can be null
  - `addedAt`, string (date-time): Can be null

```json
{
  "numbers": [
    {
      "phoneNumberId": "698fba0989716df44adb771f",
      "phoneNumber": "+14155550123",
      "status": "submitted",
      "rejectionReason": {
        "code": "string",
        "title": "Launch day",
        "detail": "string",
        "message": "Hello from Pozy"
      },
      "verifiedAt": "2026-10-02T09:00:00.000Z",
      "addedAt": "2026-10-02T09:00:00.000Z"
    }
  ]
}
```