What it sells
Developer platform and unified API for building AI agents that work across iMessage, WhatsApp, Telegram, SMS/RCS, email and voice.
Business model breakdown
Buyer: who owns the budget?
UnverifiedDevelopers and startups building AI agents that must reach users on messaging apps.
Trigger: what makes them buy now?
UnverifiedAgents are more useful where users already are (iMessage, WhatsApp, Slack) than in a new app.
Workflow: what inputs become what output?
Developer uses the open-source Spectrum SDK: register providers, handle onMessage events, run the agent, and send replies via iMessage with fallback to Telegram or SMS/RCS.
Economics: what it saves and how it charges
Open-source framework with paid managed messaging infrastructure: Free, Pro $25/mo, Business $250/line/mo, Enterprise custom.
Distribution: how it reaches customers
Open source (98% of usage) plus self-serve hosted tiers
Funding history and coverage
| Round date | Stage | Amount | Investors | Source |
|---|---|---|---|---|
| 2026-10-13 | Seed | $4.5M | — | pulse2.com |
| 2026-10-01 | Seed | $4.5M | Gradient and A* (co-leads), Vercel, HSG (HongShan), Z Fellows, Llama Ventures, Karman, angels | techcrunch.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.