Is your x402 server
actually ready?
Free compliance audit plus cross-registry visibility across Coinbase Bazaar, x402scan, and mppscan. No signup. Results in under a second.
try hirescrape.com
01
Discovery
OpenAPI 3.1, payment metadata, ownership proofs, well-known endpoints, llms.txt.
02
Runtime 402
Status code, headers, size cap, version, schema metadata, CAIP-2 refs.
03
HTTP Payment auth
Auth-params on the challenge plus charge-intent request fields.
04
Per-method charge
evm · tempo · solana · stellar · lightning · stripe · card — auto-detected.
05
JSON-RPC / MCP
Probes /mcp, /rpc, /jsonrpc for the standard payment-required error shape.
06
Registry visibility
Coinbase Bazaar, x402scan, mppscan — live queries.
for agents
/llms.txt
agent-readable site index (markdown)
/openapi.json
OpenAPI 3.1 with x-payment-info
/.well-known/x402
x402 discovery manifest
SKILL.md
install as a Claude Code skill
$ npx agentcash fetch "https://x402audit.dev/api/audit?url=hirescrape.com"what it catches
- › Oversized PAYMENT-REQUIRED headers (Node's 16KB cap)
- › Missing schema metadata buyer-agents need to find you
- › Malformed Payment auth-params on the 402 challenge
- › Wrong CAIP-2 network refs, non-checksummed EVM addresses
- › Empty ownership proofs, missing well-known discovery
- › Unindexed on Bazaar, x402scan, or mppscan