Epsilon Docs

Epsilon API Ecosystem

Access 20+ REST and GraphQL endpoints across analytics, identity, payments, and more. Our real-time APIs empower developers with instant data and event streams.

# Get API key
curl -X GET "https://api.epsilon.dev/token" -H "Authorization: Bearer YOUR_API_KEY"

# Example call
curl -X POST "https://api.epsilon.dev/analytics/event" -H "Content-Type: application/json" -d '{"user_id":"12345","action":"login"}'

# Success!
// 200 OK with analytics response

API Endpoints

Analytics

Track user behavior and business metrics in real-time with our event logging API

View Endpoint

Identity & Auth

User authentication, authorization, and profile management through OAuth and JWT standards

View Endpoint

Payment Gateway

Process transactions securely with PCI-compliant endpoints for card, crypto, and digital wallets

View Endpoint

Authentication Methods

API Key

For machine-to-machine communication and automated systems

curl -X GET https://api.epsilon.dev/endpoint \ -H "Authorization: Bearer your_api_key_here"

OAuth 2.0

For human users and applications requiring user consent

POST https://auth.epsilon.dev/v1/oauth/token Content-Type: application/json { "client_id": "your_client_id", "client_secret": "your_secret", "grant_type": "authorization_code" }

Developer SDKs

📦
Node.js

JavaScript SDK for frontend and backend integrations

View Docs
Python

Python wrapper for Epsilon's full API suite

View Docs
🔌
Rust

Zero-allocation client for high-performance systems

View Docs
🚀
TypeScript

Type-safe Epsilon API integrations

View Docs