---
title: "List RCS test phones"
method: GET
path: "/v1/rcs/agents/{agentId}/test-devices"
tags: ["RCS"]
---

# List RCS test phones

`GET /v1/rcs/agents/{agentId}/test-devices`

## Path parameters

- `agentId` string, required

## Response `200`

Invited test phones.

- object
  - `testDevices` RcsTestDevice[]
    - `testDeviceId` string
    - `phoneNumber` string
    - `inviteStatus` 'PENDING' | 'ACCEPTED' | 'DECLINED' — The phone must accept the invite in its messaging app before it receives messages.

## Other responses

- `400` — Invalid request
- `401` — Missing or invalid API key. `code` is `missing_credentials` when no Authorization header was sent and `invalid_credentials` when the key is unknown, revoked or expired.
- `403` — Your plan does not include the inbox, which RCS requires.
- `404` — Agent not found

## Changes

- **2026-10-02** `d556591af3f6` — 8 info
  - added the optional property `code` to the response with the `401` status
  - added the optional property `details` to the response with the `401` status
  - added the optional property `docUrl` to the response with the `400` status
  - added the optional property `docUrl` to the response with the `401` status
  - …4 more
- **2026-09-30** `16a7b9d5373e` — 1 info
  - removed the `platform` enum value from the `details/budgetScope` response property for the response status `400`
- **2026-09-29** `698a0d89ab62` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/zernio/apis/zernio-api/changes/v1/rcs/agents/:agentId/test-devices/get.md)

---

[API](https://skmtc.dev/zernio/apis/zernio-api.md) · [All operations](https://skmtc.dev/zernio/apis/zernio-api/llms.txt) · [OpenAPI document](https://skmtc.dev/zernio/apis/zernio-api/revisions/f8dd1581bb14?raw)
