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

# Get available phone numbers

> Retrieve all available phone numbers for assistant assignment

This endpoint returns a list of phone numbers owned by the authenticated user that can be assigned to assistants, with optional filtering by assistant type.

### Query Parameters

<ParamField query="type" type="string" optional>
  Filter phone numbers by assistant type. Options: `inbound`, `outbound`
</ParamField>

### Response fields

<ResponseField name="data" type="array">
  <Expandable title="properties">
    <ResponseField name="id" type="integer">
      The unique identifier of the phone number
    </ResponseField>

    <ResponseField name="phone_number" type="string">
      The phone number in E.164 format
    </ResponseField>

    <ResponseField name="country_code" type="string">
      The country code for the phone number
    </ResponseField>

    <ResponseField name="type_label" type="string">
      The human-readable type label for the phone number
    </ResponseField>

    <ResponseField name="is_available" type="boolean">
      Whether the phone number is available for assignment (not currently assigned to an inbound assistant)
    </ResponseField>
  </Expandable>
</ResponseField>

<ResponseExample>
  ```json 200 Response theme={null}
  [
    {
      "id": 45,
      "phone_number": "+1234567890",
      "country_code": "US",
      "type_label": "Normal",
      "is_available": true
    },
    {
      "id": 46,
      "phone_number": "+1234567891",
      "country_code": "US",
      "type_label": "SIP",
      "is_available": false
    },
    {
      "id": 47,
      "phone_number": "+441234567890",
      "country_code": "GB",
      "type_label": "Caller ID",
      "is_available": true
    }
  ]
  ```
</ResponseExample>

### Notes

* Only phone numbers owned by the authenticated user are returned
* When `type=inbound` is specified, caller ID numbers and already assigned numbers are filtered out
* The `is_available` field indicates if the number can be assigned to a new inbound assistant
* Phone numbers are returned in the values collection format (indexed array)
* Use the `id` field when assigning phone numbers to assistants