Express middleware for accepting payments in euros from humans via Stripe and USDC from AI agents via x402 on a single endpoint
Business verification and UCC lien search from official state records
Stage
Not given
Startup
Founded
Not given
2026
Based in
DE
US
Pricing model
Freemium
Free
Pricing
Free core under Apache 2.0 license with both payment methods and Express integration. Pro Early Bird: 49 € including 19% VAT, one-time fee for 1 project, then 79 € (includes quotas, CSV payment log, webhook reconciliation, 12 months updates and support, delivery within 3 weeks or full refund). Team:
Free while in beta. Paid plans will be announced before launch.
Key features
Single endpoint accepts both euro payments via Stripe and USDC payments via x402
Time-limited access model for human users paying in euros
Per-request billing for AI agents using USDC on x402
Cryptographic payment verification without holding funds
Local demo mode without accounts or real payments
Open source core under Apache 2.0 license
Works with Base Sepolia testnet and Stripe test mode
Business verification with Pass, Review or Fail verdict
UCC lien search by business name or lender
Owner and officer verification against state records
Full filing history and lapse dates
REST API with authentication
Coverage and source information on every result
Web dashboard for manual searches
MCP server integration for AI assistants
What makes it different
Unified payment solution for both human users and AI agents from a single endpoint
Funds go directly to your accounts; Meterdoor never touches the money
Open source core provides transparency and no ongoing licensing costs
Ready for production with AI agents despite their current low payment volume
Local testing without creating accounts or handling real money
Searches official state records directly, never stale or guessed data
Coverage in 15 states for business checks and 10 for lien search
Built for MCA funders and merchant cash advance verification
Meterdoor
Clerkfield