# JustCall REST API

**Canonical:** https://apis.io/apis/justcall/rest-api/  
**Provider:** JustCall — https://apis.io/providers/justcall/  
**Base URL:** https://api.justcall.io/v2.1  
**Documentation:** https://developer.justcall.io/docs/overview

JustCall REST API is one of 4 APIs that [JustCall](https://apis.io/providers/justcall/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Voice, SMS, Telephony, Contact Center, and Webhook. The published artifact set on APIs.io includes API documentation and an API reference.

REST API for placing calls, sending SMS and MMS messages, managing contacts, phone numbers, users, and call dispositions in JustCall. Authentication uses an API key and API secret passed in the Authorization header. Webhooks notify on completed calls and SMS events.

## Machine-readable artifacts (5)

- **Documentation** — https://developer.justcall.io/docs/overview
- **APIReference** — https://developer.justcall.io/reference
- **Send SMS Endpoint** — https://developer.justcall.io/reference/texts_new_v21
- **Webhooks** — https://justcall.io/product/api-and-webhooks/
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/justcall/refs/heads/main/apis.yml

## Other JustCall APIs (3)

- [JustCall Calls API](https://apis.io/apis/justcall/justcall-calls-api/)
- [JustCall Contacts API](https://apis.io/apis/justcall/justcall-contacts-api/)
- [JustCall SMS API](https://apis.io/apis/justcall/justcall-sms-api/)

## Tags

Voice, SMS, Telephony, Contact Center, Webhook

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/justcall/rest-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/justcall/.