
XMTP
Extensible Message Transport Protocol for secure, decentralized, and identity-native messaging across Web3 applications.
About
XMTP is a decentralized communication protocol that provides a private, secure, and open layer for messaging and payments between people and agents. It enables developers to build chat-based applications, integrate digital money, and connect millions of users and thousands of developers on a permissionless network without company or country control. XMTP is quantum-resistant, identity-agnostic, and spam-resistant at the protocol level, serving companies, developers, and builders who prioritize open and trusted communication.
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Key facts
- Website
- xmtp.org
- Headquarters
- San Francisco, United States
- Founded
- 2021
- Employees
- 11
- Total funding
- $50M (Series B)
- Business model
- B2B
Funding rounds
| Date | Round | Amount | Post-money | Lead investors |
|---|---|---|---|---|
| 17 Jul 2025 | Series B | $20M | $300M | Lightspeed Faction |
| 1 Sept 2021 | Series A | $20M | Another VC | |
| 1 Jun 2021 | Seed | $10M | IDEO CoLab Ventures |
Tech stack
Detected on xmtp.org, last scanned 21 Sept 2026. Run your own scan
- Frontend
- Next.js, Tailwind CSS
- Analytics
- Plausible
- CMS / Builders
- Ghost
- CDN
- Cloudflare, Vercel
- Email provider
- Google Workspace
XMTP scores 68. Does yours?
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Frequently asked
Is XMTP trustworthy and reputable?
StartupHub's Data Trust & Reputation score for XMTP is 64 out of 100, a generally safe rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has XMTP raised?
XMTP has raised a total of $50M in funding. The most recent round on record is Series B.
How many employees does XMTP have?
XMTP has approximately 11 people on record.
Public record
SEC filings, insider activity, nonprofit links and pay benchmarks for XMTP


