Documentation

Synapse Documentation

Everything you need to integrate, build, and scale with Synapse. From your first API call to production-grade email automation.

Set up your workspace, get your API key, and send your first event in under 5 minutes.

Events, contacts, segments, flows, templates, campaigns, analytics, and email delivery.

Full REST API documentation. Every endpoint, request shape, and response schema.

Official JavaScript/Node.js, Python, and Browser SDKs with typed interfaces.

Subscribe to real-time events. Signature verification, retry logic, and payload schemas.

Plain-English template engine. Variables, conditionals, loops, filters, and 17 currency formats.

Authentication, migration from MoEngage, flow patterns, rate limiting, and troubleshooting.