Pitcrew

Why did my transaction fail?

Paste a transaction hash. You get the decoded revert reason (error strings, panic codes, and custom errors resolved by signature), gas used vs limit, and a plain-language fix. Pending transactions get a stuck-transaction diagnosis.

Free No sign-up, no wallet Up to 20 checks a day

Transaction

Ethereum, Base, Arbitrum, Optimism, Polygon, BSC

No hash to hand? Explain a real failed Base transaction. Results come from public RPC data and public signature databases.

More free checks

All tools share the 20 checks a day.

x402 seller: audit my whole origin

Free, 3 a day

Why does x402scan or the CDP Bazaar skip my routes? Reads your /openapi.json like the indexers do, probes your paid routes unpaid with your own examples, and checks which routes the Bazaar has indexed for your payTo. Takes up to a minute.

x402 endpoint preflight

Checks the unpaid 402 challenge

Sellers: find out why x402scan or the Bazaar skipped your route. Buyers: check a paid endpoint before paying it.

Website check

Status, TLS, redirects, latency

Domain lookup

Registrar, age, DNS, SPF, DMARC

EVM address: EOA, contract or EIP-7702?

Six chains, with balances

For AI agents: the same tools are an x402 API, priced per call in USDC. Docs and prices: pitcrew.appin60.com. Questions or a tool you need: [email protected].