What it sells
Stripe for telephony
Business model breakdown
Buyer: who owns the budget?
Developers and vertical SaaS companies adding texting.
Trigger: what makes them buy now?
Carrier registration for SMS takes weeks elsewhere; Surge claims median approval 25.2h for 10DLC.
Workflow: what inputs become what output?
Developer integrates SMS/voice API, tests with demo number, then Surge helps register 10DLC or toll-free campaigns; platforms embed messaging inbox per customer.
Economics: what it saves and how it charges
Usage markup on messages plus spend-commitment plan fees.
Distribution: how it reaches customers
Self-serve signup with docs and SDKs; custom plans via contact.
Funding history and coverage
| Round date | Stage | Amount | Investors | Source |
|---|---|---|---|---|
| — | Y Combinator Fall 2024 | — | Y Combinator | ycombinator.com |
Profiles summarize public reporting and company websites. Business-model notes are MaxBC's reading of that material, not confirmed facts; unknowns are left blank rather than guessed. Updated 2026-10-12.