Introduction
Overview of the CloudTalk API, its capabilities, and how it works.
Quickstart
Make your first API call in under 5 minutes.
Authentication
Set up HTTP Basic Auth with your API keys.
API Reference
Full reference for every endpoint, with live playground.
What You Can Build
Call Automation
Trigger outbound calls, fetch call history, download recordings, and access real-time call flow data.
Contact Management
Create and sync contacts, manage tags, notes, activities, and custom attributes.
AI Insights
Pull transcriptions, sentiment analysis, smart notes, topics, and talk-listen ratios from calls.
SMS & WhatsApp
Send SMS and WhatsApp messages programmatically from your CloudTalk numbers.
VoiceAgent
Initiate AI-powered voice agent calls using your configured VoiceAgent IDs.
Explore the API
API Concepts
Learn about response envelopes, pagination, error codes, and rate limiting.
