Sendo
The best SMS/RCS API for startups
Daniel Lewis, Nick Rubin · 2 co-founders
Profile coverage4 of 8 · missing Funding, Signals, Customers, Stack / tools · last run 8/10/2026
About
We're making it easy, cheap and fun for startups to build on SMS again. Sendo is the most developer-friendly SMS API, with great documentation, a fast dashboard, helpful monitoring features, easier 10DLC compliance and much more. Save 40%+ compared to Twilio and other options, and get started sending messages in 1-2 days instead of waiting weeks for your 10DLC campaigns to get approved.