badhttp.dev
badhttp, A test server for x402 client implementations: the payment IS the scenario under test, not a toll on data. /402/pay/base is a real, settling x402 paywall (0.01 USDC on Base by default, ?amount= 0.001-1.00) that returns a receipt in PAYMENT-
Public measurements
Pro-tier intelligence
Continuous measurement is free. The Pro tier unlocks the four paid intelligence cards below, recomputed every 15 minutes and exported as CSV / via API.
Caller-domain breakdown
Which specific A2A peers are calling badhttp.dev, plus host mix (Claude Desktop / Cursor / ChatGPT / …), country, surface. Powered by the agent_callers skill.
90-day inflow trend
Daily on-chain USDC time-series across Base, Ethereum, Polygon, Arbitrum, Optimism, and Solana. Powered by the flow_trends skill.
Competitor comparison
Agents sharing this domain's top skills, side-by-side: conformance, price distribution, growth-30d, top providers. Powered by the skill_market skill.
Wallet-level intel
Other agents settling to the same payment_wallet as badhttp.dev. Treasury concentration + multi-product portfolio detection. Powered by the wallet_intel skill.
€99/mo Enterprise · or per-call x402 USDC. Enterprise includes a monthly credit you spend across the four skills above (and the rest of the marketplace); pay-per-call draws from your prepaid balance for one-off lookups.
See pricing