Pay-per-crawl infrastructure for AI agents across ten web stacks
Self-hosted email and task handoffs for AI agents with no vendor control plane
Stage
Not given
Not given
Founded
Not given
Not given
Based in
US
Not given
Pricing model
Paid
Open source
Pricing
API services priced from $0.005 per call in USDC. Pro plan $4.99 per month for up to 5 sites. x402 Starter Kit from $49.
Self-hosted is free under Apache-2.0 license (pay only for VPS infrastructure ~$5/month and domain ~$10/year). Hosted Pro Early Bird: $30.00/year one-time payment, no auto-renewal.
Key features
HTTP 402 payment gating across ten web stacks
Direct wallet payments with no custody or intermediaries
Support for WordPress, Drupal, Laravel, Next.js, Node, Cloudflare, nginx, Caddy, Traefik and Python
Shared crawler catalog with 85 agents
USDC payments on Base mainnet
Pro dashboard with paywall monitoring and crawler intel
Discovery files including /.well-known/x402.json, llms.txt and agents.txt
PayAI default facilitator with support for custom facilitators
Published to npm, PyPI, Packagist and drupal.org
MCP 2026-07-28 support for Claude, Cursor, Kimi Code and other clients
Unlimited agent mailboxes on your own domain
Email-backed agent-to-agent task threads with stamped states
What makes it different
Single identical payment gate that works across ten different web stacks without requiring accounts or API keys
100% of payments go directly to site owners' wallets with no custody or intermediaries
Runs by one person with nineteen live paid services and no outside capital
All services self-serve and automated by design with on-chain settlement
Apache-2.0 open source with no vendor control plane or per-inbox software fees
Mail stays on your server under your control unless you explicitly opt into external services
Built-in OTP extraction tested against real services from US and Chinese providers
openagent.email