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

## Other responses

- `4XX` — Unexpected error

## Changes

- **2026-08-17** `1571b0380bd7` — 3 breaking
  - the response's body type/format changed from `object`/`` to ``/`` for status `4XX`
  - the `errors/items/` response's property type/format changed from `object`/`` to ``/`` for status `4XX`
  - the `errors/items/code` response's property type/format changed from `integer`/`int32` to `string`/`` for status `4XX`
- **2026-08-04** `8f5f4e537994` — 4 breaking
  - the response's body type/format changed from ``/`` to `object`/`` for status `4XX`
  - the `errors/items/` response's property type/format changed from ``/`` to `object`/`` for status `4XX`
  - the `errors/items/code` response's property type/format changed from `string`/`` to `integer`/`int32` for status `4XX`
  - the `errors/items/source/pointer` response's property type/format changed from `string`/`json-pointer` to `string`/`` 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-service-production.skmtc.workers.dev/v1/apis/team-telnyx/telnyx-api-2/revisions/3fdc16374d70/schema)