{"x402Version":"1","service":"keystone-yields","version":"1.0.0","description":"Paid equity & yield intelligence for AI agents: tokenized deposits and money-market funds, stablecoin programme status, CBDC corridors, RWA collateral, agent-payment protocols and compliance routing. Pay-per-request USDC via x402 (EIP-3009). Every response is labelled live, reference or unavailable, and a programme is never reported as more advanced than its actual stage.","scheme":"exact","settlement":"eip-3009","payTo":"0xA69249cBa146A6A998250070e71abA2879ED8A7b","networks":[{"network":"base-mainnet","chainId":8453,"usdc":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"}],"supportedNetworks":["base-mainnet","ethereum-mainnet","arbitrum-one","optimism-mainnet","polygon-mainnet","avalanche-mainnet"],"endpoints":[{"path":"/v1/fx/quote/:from/:to","method":"GET","priceUSD":0.0001,"description":"LIVE FX quote for a currency pair — ECB via frankfurter.dev"},{"path":"/v1/bank/tokenized-deposit/status","method":"GET","priceUSD":0.0001,"description":"Tokenized-deposit programmes status worldwide (reference, dated) — US TCH/On-Chain Money, UK GBTD, Quant Overledger"},{"path":"/v1/vasp/status/:country","method":"GET","priceUSD":0.0001,"description":"VASP licensing status + regulator + register link for a country (?country=ae|za|ng|jp|us|gb|eu|ch|sg|hk)"},{"path":"/v1/vasp/uae/vara/status","method":"GET","priceUSD":0.0001,"description":"UAE VARA licensing + token classification status (reference, dated) — Citigroup UAE tokenized-deposit lane"},{"path":"/v1/stablecoin/jpyc/status","method":"GET","priceUSD":0.0001,"description":"JPYC regulated stablecoin status (reference, dated) — Japan JVSA/FSA regime, Citigroup Japan lane"},{"path":"/v1/stablecoin/bils/status","method":"GET","priceUSD":0.0001,"description":"BIL / BUIDL-style tokenized money-market status (reference, dated)"},{"path":"/v1/stablecoin/ddsc/status","method":"GET","priceUSD":0.0001,"description":"DDSC / USDM-class global stablecoin status (reference, dated)"},{"path":"/v1/stablecoin/rlusd/status","method":"GET","priceUSD":0.0001,"description":"rLUSD / RLUSD-class regulated fiat stablecoin status (reference, dated)"},{"path":"/v1/tokenized-mmf/yield","method":"GET","priceUSD":0.0001,"description":"Tokenized money-market-fund landscape and yield mechanics (reference, dated) — NOT a live NAV feed"},{"path":"/v1/compliance/sanctions-screen","method":"GET","priceUSD":0.0001,"description":"Sanctions-screening method + the authoritative lists you must screen against (reference, dated) — no fuzzy matching performed here"},{"path":"/v1/compliance/travel-rule","method":"GET","priceUSD":0.0001,"description":"FATF Travel Rule requirements for VASP-to-VASP transfers (reference, dated)"},{"path":"/v1/compliance/audit-trail/:tx","method":"GET","priceUSD":0.0001,"description":"How to assemble a defensible audit trail for a tokenized payment (?tx=)"},{"path":"/v1/agent/identity/eligibility","method":"GET","priceUSD":0.0001,"description":"Regulatory eligibility gates an agent must clear before moving regulated value (reference, dated)"},{"path":"/v1/agent/identity/:address","method":"GET","priceUSD":0.0001,"description":"On-chain agent identity + reputation lookup for an address (?address=)"},{"path":"/v1/rwa/collateral/verify","method":"GET","priceUSD":0.0001,"description":"How to verify tokenized collateral without trusting the token issuer (reference, dated)"},{"path":"/v1/payment/protocol/mpp/status","method":"GET","priceUSD":0.0001,"description":"Merchant Payment Protocol (MPP) status (reference, dated)"},{"path":"/v1/payment/protocol/ap2/status","method":"GET","priceUSD":0.0001,"description":"AP2 (Agent Payments Protocol) status (reference, dated)"},{"path":"/v1/payment/mastercard/agent-pay","method":"GET","priceUSD":0.0001,"description":"Mastercard Agent Pay programme status (reference, dated)"},{"path":"/v1/payment/visa/trusted-agent","method":"GET","priceUSD":0.0001,"description":"Visa Trusted Agent / agent-initiated payments status (reference, dated)"},{"path":"/v1/rwa/dtcc/stellar/status","method":"GET","priceUSD":0.0001,"description":"DTCC tokenization + Stellar settlement status (reference, dated)"},{"path":"/v1/gov/cbdc/corridor/:pair","method":"GET","priceUSD":0.0001,"description":"Wholesale/CBDC cross-border corridor status for a pair (?pair=us-sg)"},{"path":"/v1/gov/cbdc/enaira/status","method":"GET","priceUSD":0.0001,"description":"eNaira (Nigeria CBDC) status (reference, dated)"},{"path":"/v1/vasp/za/cross-border/status","method":"GET","priceUSD":0.0001,"description":"South Africa cross-border crypto/VASP status (reference, dated)"},{"path":"/v1/intent/verifiable/status","method":"GET","priceUSD":0.0001,"description":"Verifiable-intent / solver competition status (reference, dated)"},{"path":"/v1/tch/status","method":"GET","priceUSD":0.0001,"description":"REFERENCE: The Clearing House (TCH) domestic US payments network programme status"},{"path":"/v1/tch/payments/:corridor","method":"GET","priceUSD":0.0001,"description":"REFERENCE: TCH corridor availability and settlement model"},{"path":"/v1/swift/status","method":"GET","priceUSD":0.0001,"description":"REFERENCE: SWIFT gpi / gpi Tracker programme status"},{"path":"/v1/swift/message/:mt","method":"GET","priceUSD":0.0001,"description":"REFERENCE: SWIFT MT/MX message-type catalogue for agent routing decisions"},{"path":"/v1/payment/visa/agent-pay","method":"GET","priceUSD":0.0001,"description":"REFERENCE: Visa agentic payment programme status"},{"path":"/v1/payment/mastercard/agent-pay-extra","method":"GET","priceUSD":0.0001,"description":"REFERENCE: Mastercard agentic payment detail beyond the corpus entry"},{"path":"/v1/bank/pilot/citi","method":"GET","priceUSD":0.0001,"description":"REFERENCE: Citi AI-agent payments pilot status"},{"path":"/v1/bank/pilot/lloyds","method":"GET","priceUSD":0.0001,"description":"REFERENCE: Lloyds Banking Group AI-agent payments pilot status"},{"path":"/v1/dcio/status","method":"GET","priceUSD":0.0001,"description":"REFERENCE: DCIO / Zengin / domestic clearing in Japan status"},{"path":"/v1/japan/dc-clearing/:instrument","method":"GET","priceUSD":0.0001,"description":"REFERENCE: Japanese DC clearing instrument availability"},{"path":"/v1/eu/digital-eur/status","method":"GET","priceUSD":0.0001,"description":"REFERENCE: EU digital euro programme status (retail pilot 2027)"},{"path":"/v1/lightning/status","method":"GET","priceUSD":0.0001,"description":"REFERENCE: Lightning Network machine-payment status for agents"},{"path":"/v1/dtcc/status","method":"GET","priceUSD":0.0001,"description":"REFERENCE: DTCC programme status and what is and is not publicly accessible"},{"path":"/v1/dtcc/ops/:verb","method":"GET","priceUSD":0.0001,"description":"REFERENCE: DTCC operations namespace. Minting/control verbs are issuer-only and never payable."},{"path":"/v1/oracle/connectivity","method":"GET","priceUSD":0.0001,"description":"REFERENCE: Oracle connectivity project scope. NOT a payment rail."},{"path":"/v1/agent/institutional/eligibility","method":"GET","priceUSD":0.0001,"description":"REFERENCE: institutional agent-identity eligibility requirements for paying these routes"},{"path":"/v1/dtcc/pause","method":"GET","priceUSD":0.0001,"description":"BLOCKED: DTCC issuer control verb (Pause-Unpause). Never payable."},{"path":"/v1/dtcc/clawback","method":"GET","priceUSD":0.0001,"description":"BLOCKED: DTCC issuer control verb (Clawback). Never payable."},{"path":"/v1/dtcc/besu/mint","method":"GET","priceUSD":0.0001,"description":"BLOCKED: DTCC issuer control verb on the besu network (mint). Never payable."},{"path":"/v1/dtcc/besu/burn","method":"GET","priceUSD":0.0001,"description":"BLOCKED: DTCC issuer control verb on the besu network (burn). Never payable."},{"path":"/v1/dtcc/besu/transfer","method":"GET","priceUSD":0.0001,"description":"BLOCKED: DTCC issuer control verb on the besu network (transfer). Never payable."},{"path":"/v1/dtcc/canton/mint","method":"GET","priceUSD":0.0001,"description":"BLOCKED: DTCC issuer control verb on the canton network (mint). Never payable."},{"path":"/v1/dtcc/canton/burn","method":"GET","priceUSD":0.0001,"description":"BLOCKED: DTCC issuer control verb on the canton network (burn). Never payable."},{"path":"/v1/dtcc/canton/transfer","method":"GET","priceUSD":0.0001,"description":"BLOCKED: DTCC issuer control verb on the canton network (transfer). Never payable."},{"path":"/v1/dtcc/nal","method":"GET","priceUSD":0.0001,"description":"REFERENCE: DTCC/SEC No-Action Letter (DTC-NAL) - the control vocabulary that defines which operations are issuer-only"},{"path":"/v1/dtcc/launch","method":"GET","priceUSD":0.0001,"description":"REFERENCE: DTCC Tokenization Service launch status - programme stage, not a settlement claim"}]}