{"domain":"402xagent.com","count":1,"changes":[{"captured_at":"2026-11-04T13:43:45.131985","card_hash":"78ca3350accb2fcac5a431dfdb540b30269bbc33363ae224f7ea789b9af76f04","previous_card_hash":null,"diff":{"skills_added":[{"id":"free-check","name":"Free x402 pre-payment check","description":"GET https://api.402xagent.com/v1/products/endpoint-spot-check?url=<endpoint> probes a public x402 endpoint once without paying it and answers pay, skip or recheck with a stable reason_code, the price quoted in its live 402 versus the listing, and an Ed25519-signed receipt. 5 free checks per client per UTC day (at most 25 per network); add &mode=dry-run for a free dry run that never approves a payment. Also the MCP tool endpoint_spot_check at https://api.402xagent.com/mcp.","tags":["x402","payments","pre-payment check","free"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]},{"id":"spot-check","name":"Paid spot-check with full payment terms","description":"The same check after the free quota: HTTP 402, $0.02 USDC on Base via x402 (exact scheme, amount 20000). Never pays the target. Adds the full payment details to the verdict (the exact payment terms, pay_to and deadline); optional claimed_price, pay_to, network and quote turn a mismatch into skip or recheck. Rules and reason codes: https://402xagent.com/rules.json.","tags":["x402","payments","spot-check","paid","USDC","Base"],"inputModes":["application/json","text/plain"],"outputModes":["application/json"]}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"402xAgent"},{"field":"description","before":null,"after":"Check an x402 endpoint before your agent pays: pay, skip or recheck, with Ed25519-signed receipts."},{"field":"version","before":null,"after":"0.63.0"},{"field":"documentationUrl","before":null,"after":"https://402xagent.com/docs"},{"field":"iconUrl","before":null,"after":"https://402xagent.com/logo-400.png"},{"field":"supportedInterfaces","before":null,"after":[{"url":"https://api.402xagent.com","protocolBinding":"HTTP+JSON","protocolVersion":"1.0"}]},{"field":"capabilities","before":null,"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false}},{"field":"provider","before":null,"after":{"organization":"402xAgent","url":"https://402xagent.com"}}],"other_changed":true,"is_empty":false,"human_summary":"added 2 skills · name ∅ → 402xAgent · description ∅ → Check an x402 endpoint before your agent · version ∅ → 0.63.0 · documentationUrl ∅ → https://402xagent.com/docs · iconUrl ∅ → https://402xagent.com/logo-400.png · supportedInterfaces ∅ → https://api.402xagent.com (HTTP+JSON) · capabilities ∅ → none · provider ∅ → 402xAgent"}}]}