---
title: "Check Messaging Capability"
method: GET
path: "/api/v1/imessage/check-messaging-capability"
tags: ["iMessage"]
---

# Check Messaging Capability

`GET /api/v1/imessage/check-messaging-capability`

## Query parameters

- `number` string, required — Phone number in E.164 format (e.g. '+15551234567').

## Response `200`

Successful Response

- 'iMessage' | 'SMS' | 'RCS'

## Other responses

- `422` — Validation Error
- `4XX` — Client error with Support Agent information.
- `5XX` — Server error with Support Agent information.

---

[API](https://skmtc.dev/inkbox/apis/inkbox-api.md) · [All operations](https://skmtc.dev/inkbox/apis/inkbox-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/inkbox/inkbox-api/revisions/31f357e7e6f8/schema)