Relay
Built in Liberia ยท MTN & Orange

Send SMS to any
phone, anywhere

Relay is an SMS gateway built for African businesses. Connect once and reach subscribers on MTN, Orange, and networks beyond โ€” no carrier juggling, no per-network integrations.

# Send an SMS in one line
curl -X POST https://api.relaylr.com/v1/messages/send \
-H "Authorization: Bearer relay_your_api_key" \
-d '{
"to": "+2310776000000",
"message": "Your OTP is 483921",
"sender": "MyApp"
'}
# Response
{ "id": "msg_01j...", "status": "queued", "network": "orange" }

Trusted by Liberian businesses

MyWatchmanX-PAYSaharaSproutTick8Plus

Everything your app needs to send SMS

Relay handles the carrier complexity so you don't have to.

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Smart network routing

Send to any number โ€” Relay detects the network automatically and routes to the right carrier. No configuration needed.

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Delivery receipts

Know exactly when your message was delivered. Relay webhooks notify your app in real time.

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Priority queues

OTP codes get critical priority, bulk campaigns go at bulk rate. Your SLA never breaks.

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Multiple API keys

Issue keys per team or service. Revoke instantly without rotating your main credentials.

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Message history

Full searchable log of every message โ€” status, network, timestamp, and raw carrier response.

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Reliable by design

Backed by Redis Asynq for retry logic and job persistence. Messages don't disappear.

Up and running in minutes

1

Create your account

Sign up and get a sandbox API key within 30 seconds. No credit card required to start testing.

2

Make your first API call

POST to /v1/messages/send with your key, a Liberian phone number, and your message body.

3

Track delivery

Check message status via the API or configure a webhook URL to receive delivery events.

Simple, usage-based pricing

Test for free in sandbox. Pay only for real messages you send. No monthly minimums, no commitments.

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Sandbox is always free

Every account includes a sandbox environment where API calls are simulated โ€” no messages reach a real carrier, no charges apply. Build and test your integration completely for free, then switch to production when you're ready.

Sandbox

Free

Simulated sends, no carrier cost

  • โœ“Unlimited simulated sends
  • โœ“Full API compatibility
  • โœ“Sandbox delivery receipts
  • โœ“Message history (7 days)
  • โœ“1 API key
Get started

Pay-as-you-go

Most popular

$0.05

per SMS, no monthly fee

  • โœ“Real MTN + Orange delivery
  • โœ“Delivery receipts & webhooks
  • โœ“Message history (90 days)
  • โœ“5 API keys
  • โœ“Email support
Get started

Volume

Custom

Lower rate at scale

  • โœ“Negotiated per-SMS rate
  • โœ“Dedicated account manager
  • โœ“SLA guarantees
  • โœ“Unlimited API keys
  • โœ“Priority support
Get started
Pay withMTN Mobile MoneyOrange MoneyBank transferCard

Prices are per SMS segment (160 chars). Longer messages split into multiple segments. All pricing is for production sends โ€” sandbox is always free.

Ready to send your first message?

Start in sandbox for free. Upgrade to production when you're ready to reach real subscribers.

Create free account