Fast by design
p95 latency under 200ms. Idempotency keys and automatic retries built in.
Developer platform
A messaging API developers actually enjoy using
One REST endpoint for email, SMS and WhatsApp. Idempotent, fast, observable — plain JSON so you can call it from any language, and webhooks that never surprise you.
Quick start
Send your first email in 30 seconds
- 1. Create a free account and generate an API key from Settings → API Keys.
- 2. Send a
POSTto/api/v1/email/sendwith your API key in thex-api-keyheader — fromcurl,fetch,requests— anything that speaks HTTP. - 3. Get a
messageIdin the response and (optionally) subscribe to HMAC-signed webhooks for delivery events. - 4. Watch the send land in your dashboard in real time.
# Send an email — plain HTTP, any language
curl -X POST https://api.notifyr.in/api/v1/email/send \
-H "Content-Type: application/json" \
-H "x-api-key: bm_live_..." \
-d '{
"emails": [{
"to": "user@acme.com",
"from": { "email": "hi@yours.com" },
"templateSlug": "otp",
"variables": { "code": "482913" }
}]
}'
# response
{ "mode": "sync", "sent": 1, "results": [...] }
Why developers choose it
Built by engineers, for engineers
Scoped API keys
Read/write/send-only keys with per-key rate limits and IP allowlists.
HMAC webhooks
SHA-256 signed webhooks for every delivery event with automatic retries.
Any language, any stack
A plain JSON REST API — call it from Node, Python, Go, PHP, Ruby, or any HTTP client. No SDK lock-in.
Start shipping with the Notifyr API
Free tier includes 1,000 emails per month, all API features unlocked.