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

# List SIP Numbers

> List all phone numbers with SIP configurations for your organization.

### Headers

**authorization** `string` *required*

Your API key for authentication.

### Response

**data.numbers** `array`

Array of SIP number summaries. Each entry includes:

* `phone_number` (string) — The phone number in E.164 format
* `directions` (array) — List of configured directions (`"inbound"`, `"outbound"`)
* `sip_endpoint` (string) — The SIP endpoint (for outbound)
* `health_status` (string) — Current health: `"healthy"`, `"unreachable"`, or `"unchecked"`

```json Example Request theme={null}
curl -X GET https://api.bland.ai/v1/sip/numbers \
  -H "Authorization: Bearer <token>"
```

```json Response theme={null}
{
  "data": {
    "numbers": [
      {
        "phone_number": "+14150000000",
        "directions": ["inbound", "outbound"],
        "sip_endpoint": "sip:trunk.provider.com",
        "health_status": "healthy"
      },
      {
        "phone_number": "+14150000001",
        "directions": ["inbound"],
        "sip_endpoint": null,
        "health_status": "unchecked"
      }
    ]
  },
  "errors": null
}
```

***

Docs for agents: [llms.txt](https://docs.bland.ai/llms.txt)


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.