JustCall

JustCall is a cloud-based phone system and contact center platform that provides voice calling, SMS/MMS messaging, IVR, call analytics, and contact management for small and mid-sized businesses. The platform integrates with CRMs, helpdesks, and automation tools. JustCall exposes REST APIs and webhooks for programmatically managing calls, SMS, contacts, phone numbers, and call dispositions, authenticated via API key plus API secret in headers.

26.1/100 emerging ▬ flat Agent 41/100 agent aware

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scored 2026-07-17 · rubric v0.4

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1 APIs 0 Features

VoiceSMSCloud PhoneContact CenterTelephonyCommunications

APIs

JustCall REST API

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 secr...

Collections

JustCall REST API

OPEN

Resources

Sources

opencollection: 1.0.0
info:
  name: JustCall REST API
  version: '2.1'
request:
  auth:
    type: apikey
    key: Authorization
    value: '{{Authorization}}'
    placement: header
items:
- info:
    name: Calls
    type: folder
  items:
  - info:
      name: List calls
      type: http
    http:
      method: GET
      url: https://api.justcall.io/v2.1/calls
    docs: Retrieves all calls linked to an account, with optional filters to refine the call selection (such as date range,
      agent, contact, or direction).
- info:
    name: Contacts
    type: folder
  items:
  - info:
      name: Create a contact
      type: http
    http:
      method: POST
      url: https://api.justcall.io/v2.1/contacts
      body:
        type: json
        data: '{}'
    docs: Adds a new contact to the JustCall Contacts section.
- info:
    name: SMS
    type: folder
  items:
  - info:
      name: Send SMS or MMS
      type: http
    http:
      method: POST
      url: https://api.justcall.io/v2.1/texts
      body:
        type: json
        data: '{}'
    docs: Sends an SMS or MMS message via JustCall. Useful for automation and outbound messaging flows.
bundled: true