---
title: "Check contact capabilities"
method: GET
path: "/v1/api/contacts/{contact}/capabilities"
tags: ["Contacts"]
---

# Check contact capabilities

`GET /v1/api/contacts/{contact}/capabilities`

Check if a phone number or email address supports iMessage, SMS, RCS, and other messaging capabilities.

## Response `200`

Contact capabilities information.

- ContactCapabilities
  - `contact` string — The contact identifier (phone number or email).
  - `type` 'phone' | 'email' — Type of contact identifier.
  - `capabilities` object — Messaging capabilities for this contact.
    - `imessage` boolean — Whether this contact supports iMessage.
    - `sms` boolean — Whether this contact supports SMS (always true for phone numbers, false for emails).
  - `lastChecked` string, date-time — ISO 8601 timestamp of when capabilities were last checked.

## Other responses

- `400` — Invalid request parameters.
- `401` — Invalid or missing API key.
- `500` — Internal server error.

---

[API](https://skmtc.net/blooio/apis/blooio-messaging-api-v3.md) · [All operations](https://skmtc.net/blooio/apis/blooio-messaging-api-v3/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/blooio/blooio-messaging-api-v3/versions/2d1e4d94ef5b/schema)