---
title: "Check RCS capabilities (batch)"
method: POST
path: "/messaging/rcs/bulk_capabilities"
tags: ["RCS"]
---

# Check RCS capabilities (batch)

`POST /messaging/rcs/bulk_capabilities`

Returns RCS capability information for multiple recipients in one request.

## Request body

- RCSCapabilityListRequest
  - `agent_id` string, required — RCS Agent ID
  - `phone_numbers` string[], required — List of phone numbers to check

## Response `200`

Successful response

- RCSCapabilitiesBulk
  - `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

> 72 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/bulk_capabilities/post.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/e0de72cf4744?raw)