Sparrow — Email + SMS routing

SparrowFeaturesHow it worksPricingFAQ
Get startedSmartQueue routing · WhatsApp · RCS · SMS · Email · TelegramSend through any channel. Pay one price.Sparrow is the routing layer in front of WhatsApp, RCS, SMS, email and Telegram. Define a SmartQueue graph — try one channel, fall back to the next. One API. One credit per send. Bring your own keys for a discount.
Start freeRead docs
Plays nicely with every provider you already useMailgunEmail
MailjetEmail
BrevoEmail
SMTPEmail
TwilioSMS / WhatsApp / RCS
OctopushSMS
TelegramBot API
Built for scaleEverything routed, metered, observable.Plug in once. Six providers, one billing model, one analytics surface.
Routing infra. Done.All the providers, none of the integration cost.
Routing
Five channels, one APIPOST to /messages. Sparrow runs your SmartQueue graph — WhatsApp → RCS → SMS, or any path you design. Fallback on outage, retry on 429.
Billing
Credit-based pricingSame credit cost per send regardless of provider. Predictable invoices, no per-route accounting.
BYOP
Bring your own providerUse your Mailgun, Twilio, or SMTP keys directly. Pay only the platform management fee.
Rate limits
Per-key throttlingSet per-minute and per-day caps on each API key. Burst protection on by default.
Webhooks
Signed status eventsReceive delivered / bounced / opened / clicked at your URL. HMAC-SHA256 signed.
Analytics
Cross-provider statsDeliverability and error rate normalized across providers. Side-by-side comparison.
3 stepsFrom signup to first send.No SMTP wrangling. No provider-specific code paths.
01Connect a providerUse a platform connection or paste your own provider credentials.sparrow tenant providers add mailgun --label production
02Grab an API keyCreate a key. Set rate limits. Copy the secret once.sk_live_3mF8z...
03SendPOST to /api/0.1/public/messages. We route, retry, and bill in credits.curl -X POST .../messages -H "Authorization: Bearer $KEY"
Live demoOne curl. Six providers.curl https://api.sparrow.dev/api/0.1/public/messages \
  -H "Authorization: Bearer $SPARROW_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "channel": "SMS",
    "to": "+33600000000",
    "text": "Your code: 7421"
  }'{
  "messageId": "a8d2-...-c91",
  "status": "QUEUED",
  "chargedCredits": 4,
  "provider": "TWILIO"
}

# webhook 2.4s later:
{
  "messageId": "a8d2-...-c91",
  "event": "delivered",
  "provider": "TWILIO"
}
PricingCredit-based. Predictable.Same credit cost across providers. BYOP unlocks lower per-send fees.
StarterFree· 1,000 credits / month
· Platform-managed providers
· Per-key rate limits
· Email + SMS
Start sending
Pro€49/mo· 50,000 credits / month
· BYOP discount
· Custom routing ladders
· Webhooks + analytics
Start sending
ScaleCustom· Unlimited tenants
· SLA + dedicated IPs
· Volume credit pricing
· Priority support
Talk to sales
Common questionsConnect your own Mailgun/Twilio/etc. keys. Sparrow only charges a small management fee per send (a fraction of the platform credit cost).
Ready when you are
Ship transactional + marketing messages today.Free tier, no credit card. Pay only when you scale.
No vendor lock-inMigrate in under an hourEU data residency
Start freeTalk to sales
© Sparrow.Status · Docs · Security