---
title: "Check RCS capabilities"
method: GET
path: "/messaging/rcs/capabilities/{agent_id}/{phone_number}"
tags: ["RCS"]
---

# Check RCS capabilities

`GET /messaging/rcs/capabilities/{agent_id}/{phone_number}`

Returns the RCS features supported by the specified recipient for the selected agent.

## Path parameters

- `agent_id` string, required
- `phone_number` string, required

## Response `200`

Successful response

- RCSCapabilitiesSingle
  - `data` RCSCapabilitiesInternal
    - `record_type` 'rcs.capabilities' — Identifies the type of the resource
    - `phone_number` string — Phone number
    - `agent_id` string — RCS agent ID
    - `agent_name` string — RCS agent name
    - `features` string[] — List of RCS capabilities

## Other responses

- `4XX` — Unexpected error

## Changes

> 93 revisions in range; 1 not diffed.

- **2026-08-17** `1571b0380bd7` — 3 breaking
  - the response's body type changed from `object` to no type for status `4XX`
  - the `errors/items/` response's property type changed from `object` to no type for status `4XX`
  - the `errors/items/code` response's property type changed from `integer` to `string`, and format from `int32` to no format for status `4XX`
- **2026-08-04** `8f5f4e537994` — 4 breaking
  - the response's body type changed from no type to `object` for status `4XX`
  - the `errors/items/` response's property type changed from no type to `object` for status `4XX`
  - the `errors/items/code` response's property type changed from `string` to `integer`, and format from no format to `int32` for status `4XX`
  - the `errors/items/source/pointer` response's property format changed from `json-pointer` to no format for status `4XX`

[Change history](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/changes/messaging/rcs/capabilities/:agent_id/:phone_number/get.md)

---

[API](https://skmtc.dev/team-telnyx/apis/telnyx-api-2.md) · [All operations](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/llms.txt) · [OpenAPI document](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/revisions/88481995b4ca?raw)