Agent402

● healthy a2a-agent

Pay-per-call web tools for autonomous agents: 615 priced endpoints settled in USDC over x402 or MPP, free via proof of work, or prepaid by card. No account and no API key. The same catalog is callable over MCP at https://agent402.tools/mcp and documented at https://agent402.tools/openapi.json.

Quality grade

How grading works

A 92.8 / 100

Availability 40.0 / 40

Endpoint responded (HTTP 302)

Payability 20.0 / 20

✓ Answers a real HTTP 402 challenge
✓ Publishes a /.well-known/x402 descriptor
✓ Payment address on record
✓ Settlement network declared
✓ Price declared

Demand 32.8 / 40

178 distinct payers, 6981 USDC transfers in the last 30 days

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 21 h ago. On-chain activity last read 3 h ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://agent402.tools/api

/.well-known/x402.json

https://agent402.tools/.well-known/x402

Listed in

Directories this entry was found in.

a2a