aid: justcall name: JustCall description: >- 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. type: Index image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg tags: - Voice - SMS - Cloud Phone - Contact Center - Telephony - Communications url: >- https://raw.githubusercontent.com/api-evangelist/justcall/refs/heads/main/apis.yml created: '2026-05-11' modified: '2026-05-11' specificationVersion: '0.19' apis: - aid: justcall:rest-api name: JustCall REST API description: >- 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. humanURL: https://developer.justcall.io/docs/overview baseURL: https://api.justcall.io/v2.1 tags: - Voice - SMS - Telephony - Contact Center - Webhooks properties: - type: Documentation url: https://developer.justcall.io/docs/overview - type: API Reference url: https://developer.justcall.io/reference - type: Send SMS Endpoint url: https://developer.justcall.io/reference/texts_new_v21 - type: Webhooks url: https://justcall.io/product/api-and-webhooks/ common: - type: Website url: https://justcall.io - type: Documentation url: https://developer.justcall.io/docs/overview - type: Developer Portal url: https://justcall.io/developer-docs/ - type: Pricing url: https://justcall.io/pricing - type: Sign Up url: https://justcall.io/signup - type: Support url: https://help.justcall.io maintainers: - FN: Kin Lane email: kin@apievangelist.com