{"schema_version":"1.0","note":"Compatibility discovery helper — not an official x402 standard document.","name":"LedgerCore / LedgerBrain x402 KYA, KYT, and KYE Compliance API","description":"x402 pay-per-use KYA, KYT, and KYE compliance API for AI agents. Run crypto address risk reports, transaction risk screening, entity due diligence, compliance risk screening, and auditable compliance reports via x402 payments. No LedgerBrain account, subscription, or API key required for x402 endpoints.","provider":{"name":"LedgerBrain","legal_name":"Sixpence (Pty) Ltd","url":"https://ledgerbrain.io","contact":"support@ledgerbrain.io"},"tags":["KYA","KYT","KYE","crypto-compliance","address-risk","transaction-risk","entity-due-diligence","compliance-risk-screening","AML-sanctions-risk","auditable-compliance-reports","x402","pay-per-use","pay-as-you-go","agentic-payments","AI-agents","blockchain","cryptocurrency"],"payment":{"protocol":"x402","version":"v2","token":"USDC","network_test":"Base Sepolia","network_production":"Base mainnet","flow":["Agent sends request to paid endpoint","API responds HTTP 402 with PAYMENT-REQUIRED header describing payment terms","Agent signs USDC payment using an x402-capable client","Agent retries request with PAYMENT-SIGNATURE header","API verifies payment and returns compliance report"]},"endpoints":[{"id":"health","method":"GET","url":"https://api.ledgercore.io/api/v1/x402/health","description":"Service health check","auth":"none"},{"id":"catalog","method":"GET","url":"https://api.ledgercore.io/api/v1/x402/catalog","description":"Discover all payable endpoints and current pricing","auth":"none"},{"id":"kyt_report","method":"POST","url":"https://api.ledgercore.io/api/v1/x402/kyt/report","description":"KYT transaction risk screening — pay-per-use","auth":"x402","price_usd":"1.00","body_example":{"txid":"<transaction-hash>","chain":"bitcoin"}},{"id":"kya_report","method":"POST","url":"https://api.ledgercore.io/api/v1/x402/kya/report","description":"KYA crypto address risk report — pay-per-use","auth":"x402","price_usd":"1.00","body_example":{"address":"<wallet-address>","chain":"bitcoin"}},{"id":"kye_report","method":"POST","url":"https://api.ledgercore.io/api/v1/x402/kye/report","description":"KYE entity due diligence report — pay-per-use","auth":"x402","price_usd":"1.00","body_example":{"entity":"<entity-name-or-identifier>"}}],"pricing":{"kyt_report":{"price_usd":"1.00","description":"KYT transaction risk screening"},"kya_report":{"price_usd":"1.00","description":"KYA crypto address risk report"},"kye_report":{"price_usd":"1.00","description":"KYE entity due diligence report"}},"discovery":{"catalog":"https://api.ledgercore.io/api/v1/x402/catalog","docs":"https://api.ledgercore.io/api/v1/portals/ledgerbrain","openapi":"https://ledgerbrain.io/openapi.yaml","llms_txt":"https://ledgerbrain.io/llms.txt","llms_full_txt":"https://ledgerbrain.io/llms-full.txt","agent_json":"https://ledgerbrain.io/.well-known/agent.json","api_catalog":"https://ledgerbrain.io/.well-known/api-catalog","x402_json":"https://ledgerbrain.io/.well-known/x402.json"}}