Global messaging, engineered for refinement.
SendHup is the messaging infrastructure modern teams love. SMS and email delivered with carrier-grade reliability, zero spam, and a dashboard that feels inevitable.
No credit card required
curl https://api.sendhup.com/v1/messages \
-H "Authorization: Bearer sk_live_•••" \
-H "Content-Type: application/json" \
-d '{
"channel": "sms",
"to": "+14155551234",
"body": "Your verification code is 042918"
}'Everything you need to ship messages
Built from first principles by engineers who've shipped messaging at scale.
Lightning-fast delivery
Carrier-grade routing with sub-second handshakes across 190+ countries. Every message monitored end-to-end.
Deliverability first
Warmup pools, smart fallback, and automatic suppression of bounced addresses keep your reputation pristine.
Developer grade
Typed API, webhooks, rate limits, idempotency keys. Ship to production without reading a single PDF.
Security built-in
TLS 1.3, signed webhooks, secret rotation, SOC2-ready audit logs. Your data is yours alone.
Real-time analytics
Beautiful charts, delivery funnels, and per-recipient diagnostics. See exactly what’s happening.
Crypto & cards
Pay with Visa, Mastercard, BTC, ETH, or USDT. Enterprise invoicing available on request.