Agent402

Pay-per-use trust oracle for AI agents

x402 · USDC on Base · $0.01/call
Agents Indexed
Avg Trust Score
Total Feedback
Payments

How It Works

1
Request — Call any premium endpoint. Get a 402 Payment Required response with USDC payment instructions.
2
Sign — Your wallet signs a USDC transfer on Base. The x402 SDK handles this automatically.
3
Pay & Receive — Retry with the payment proof. Coinbase verifies, settles on-chain, and you get your data.

Endpoints & Pricing

/api/v1/trust/{id}
Full trust evaluation — composite score, tier, risk flags, score breakdown
/api/v1/trust/{id}/risk
Risk assessment with concentrated-feedback detection and volatility checks
/api/v1/agents/trusted
Search agents by category, score, tier, and feedback count
/api/v1/network/stats
Network-wide statistics, tier distribution, payment totals
/api/v1/health
FREE
Health check
/api/v1/pricing
FREE
Machine-readable pricing for x402 clients
/.well-known/agent.json
FREE
A2A agent card for discovery
/api/v1/payments/stats
FREE
Payment statistics and revenue

Protocol Endpoints

REST API + x402
/api/v1/*
Standard JSON endpoints. Premium routes return 402 with USDC payment instructions.
A2A (Agent-to-Agent)
/.well-known/agent.json
Google A2A discovery + POST /a2a for JSON-RPC task execution.