---
title: "List Providers"
method: GET
path: "/agents/phone-numbers/providers"
tags: ["Providers"]
---

# List Providers

`GET /agents/phone-numbers/providers`

List telephony provider accounts linked to your account

## Query parameters

- `type` 'twilio'
- `account_sid` string

## Headers

- `Cartesia-Version` '2026-03-01', date, required

## Response `200`

- ProviderAccountResponse[]
  - `type` 'twilio', required — Always `"twilio"`.
  - `id` string, required — Unique identifier for the provider.
  - `account_sid` string, required — The Twilio account SID.
  - `api_key_sid` string, required — The Twilio API key SID (partially masked).
  - `region` 'us1' | 'ie1' | 'au1', required — The Twilio region the phone number and API key are configured for. `us1` (US), `ie1` (Ireland), `au1` (Australia). Default is `us1`.

---

[API](https://skmtc.net/cartesia/apis/cartesia-api.md) · [All operations](https://skmtc.net/cartesia/apis/cartesia-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/cartesia/cartesia-api/revisions/8910812440d3/schema)