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SMS Relay

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69.99

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SMS Relay

Enterprise-grade SMS and transactional messaging with dashboards, retries, and carrier-aware routing — the serious upgrade from a basic SMS gateway.

Relay — SMS control plane for your own SIMs

Relay is a control plane and API that lets you send and receive SMS (and MMS) through phones you own, using real SIMs—without handing your traffic to a bulk SMS API unless you choose to. Pair the Relay Android app with your account, queue messages from the web or HTTP API, and audit every job from queue to delivery.

Who it’s for
Operators, small teams, and builders who want carrier-native SMS (OTP, alerts, two-way flows, light campaigns) with their hardware, their numbers, and a clear audit trail—plus optional cloud SMS when you need it.

What you get

  • Handset gateway — Android app polls your Relay server, sends SMS/MMS and USSD, reports status; inbound can flow back into Relay for inbox, chats, and webhooks.
  • Web console — Queue messages, manage devices, bulk uploads, contacts, blocklist, call log, and (for admins) team, billing, and integrations.
  • HTTP API — API tokens for your own scripts and systems; webhooks for job and inbound events.
  • Optional third-party SMS — Connect Twilio, Textlocal, and similar drivers with per-server rate quotas so you stay under provider limits while mixing SIM and API sends.
  • Faster wakeups — Firebase (FCM) can nudge the app when work is queued, with polling as a fallback.
  • Credits and plans — Usage can be tied to your plan and credits model so costs stay predictable.

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