We’re excited to announce the official release of Callr REST API v2 — a modern, OpenAPI-based interface designed to make it faster and easier to integrate Callr into your platform.

🎉

Links

• ✅ Available now at: https://api.callr.com/v2.0
• 📘 Docs: https://docs.callr.com
• 📄 OpenAPI spec: https://api.callr.com/v2.0/openapi.json

✨What's new

• RESTful design with predictable, resource-oriented URLs
• Standard HTTP verbs (GET, POST, DELETE, etc.)
• Clean JSON request/response formats
• Consistent object schemas aligned with Callr Actions
• Authentication with API keys via standard headers
• Full OpenAPI 3.1 support — autocompletion in Postman, Swagger, Insomnia, etc.

🔁 What’s Changing from JSON-RPC

• No more method and params arrays — everything is structured and named
• One endpoint per action (no generic /json-rpc/ endpoint)
• Standard HTTP status codes for errors (no more envelope-wrapped responses)
• Easier to debug, test, and monitor with modern tools

See our guide to Migrating from JSON-RPC API for details and side-by-side examples.

🧪 Try It Out

You can start testing today using:

• API Explorer in the docs
• The Swagger UI
• Any OpenAPI-compatible client (e.g. Postman, Insomnia)
• Your existing API keys — no new credentials needed

🗨️

Questions or feedback?

Reach out at [email protected] — we'd love to hear from you.