Sendo
The best SMS/RCS API for startups
Founders
Not read from YC yet; the weekly run fills these in.
Same space
Competitors
Closest in what they build, same category.
Adjacent
Overlapping tags, a different niche.
EnveloopW20Design and send messages from your app with a simple API.Shared: developer tools, messagingInactive
CourierS19The fastest way for developers to build notifications for their app.Shared: developer tools, messagingActive
SurgeF24Stripe for telephonyShared: developer tools, apiActive
TheneoW22Stripe-like API Docs in just a few clicksShared: developer tools, apiActive
BirdS16The world’s largest omnichannel communications platformShared: messaging, apiActive
Also from W22 in Developer tools
Batchmates in Winter 2022.
HyperbeamW22API for shared embeddable web browsersActive
KableW22Usage-based billing for API companiesInactive
Karate LabsW22Open-source API & UI test automationActive
RequestlyW22Open-Source Postman alternativeAcquired
SnapTradeW22Plaid for tradingActive
BrainboardW22Visually design and manage cloud infrastructures.Active
About Sendo
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.
New York City, NY, USA; Remote
Sendo: questions
Which YC batch was Sendo in?
Sendo was in Y Combinator's Winter 2022 batch (W22).
Is Sendo still active?
Y Combinator lists Sendo as inactive.
Where is Sendo based?
Sendo lists New York City, NY, USA; Remote as its location on YC's directory.
Not affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.