Closed beta

The delivery API for modern applications

Send webhooks, notifications, and events with built-in rate limiting, retries, and observability. Ship reliable delivery in minutes, not months.

Items delivered

2.4M

+12.3%

Avg latency

47ms

-8.1%

Success rate

99.97%

+0.02%

Trusted by engineering teams shipping millions of events

Acme CorpGlobexInitechUmbrellaStark

Everything you need for reliable delivery

Stop building delivery infrastructure from scratch. SendSend handles the hard parts so you can focus on your product.

3,000+ items/sec

High-throughput delivery engine built for scale. Process millions of events without breaking a sweat.

Rate limit aware

Built-in per-provider rate limiting prevents you from overwhelming downstream APIs. Configure limits per destination.

Automatic retries

Exponential backoff with jitter, configurable retry policies, and dead letter queues for failed deliveries.

Real-time dashboard

Monitor delivery progress, success rates, and latency in real-time. Debug failed deliveries with detailed logs.

Ship in minutes, not months

A single API call to deliver thousands of events with rate limiting, retries, and real-time tracking built in.

curl -X POST https://api.sendsend.io/v1/jobs \
  -H "Authorization: Bearer ss_live_..." \
  -H "Content-Type: application/json" \
  -d '{
    "config_id": "cfg_webhook_notify",
    "items": [
      { "url": "https://customer.app/webhook", "payload": {"event": "order.created", "id": "ord_123"} },
      { "url": "https://partner.io/events", "payload": {"event": "order.created", "id": "ord_123"} }
    ]
  }'

Deliver globally, rate limit locally

Built on edge infrastructure with automatic rate limiting per provider. Your webhooks and notifications arrive on time, every time, without overwhelming downstream APIs.

  • Per-provider rate limiting out of the box
  • Automatic retries with exponential backoff
  • Real-time delivery tracking and analytics
  • 99.99% delivery guarantee with dead letter queues

Get early access

Join the closed beta waitlist. Be the first to ship reliable delivery infrastructure.