sunlesh Developer - The Unified API Platform

Send emails, sms, manage queues, webhooks, and backend services - all from a single API.

Built for developers, scalable for enterprises.

Everything you need, in one API

Mail API

Send transactional and marketing emails reliably, with tracking and analytics.

Queue Management

Handle background jobs, retries, and scheduling effortlessly.

Webhooks

Receive real-time notifications for events and system updates.

Auth & Security

Secure API access with API keys and optional OAuth 2.0 support.

Get started in minutes

curl -X POST https://api.sunlesh.com/send/mail \
-H "Content-Type: application/json" \
-H "X-API-KEY: sk_test_123" \
-d '{
  "to": "user@example.com",
  "subject": "Hello",
  "html": "Hello World"
}'