x402 Protocol
x402 Protocol
Ghostline implements the x402 WebPay protocol for seamless, privacy-preserving micro-payments across the web.
Overview
x402 is a web payment protocol that enables:
- Micro-Payments: Small transaction support
- Web Integration: Browser-based payments
- Privacy-Preserving: Private payment processing
- Instant Settlement: Fast transaction processing
- Low Fees: Minimal transaction costs
WebPay Flow
- Site sends HTTP 402
- Ghostline displays price
- User approves or auto-approve triggers
- Wallet signs payment
- Content unlocks instantly
Agent Mode
AI agents can:
- Pay APIs
- Fetch data
- Authenticate privately
- Spend within limits
- Users define strict policies.
Signing Policies
Users control:
- Token allowed
- Max amount
- Max per-request
- Allowed domains/dApps
- Context of automation (browser, agent, scripts)