{"uid":"cap_qs2atE1Pr-9AVTPnJHDxW","slug":"treasury-yield-curve-data-d55fe009","name":"Treasury Yield Curve Data","description":"309 deterministic pay-per-call tools for AI agents over x402 (USDC, Base). No signup, no API key: the payment is the identity.","url":"https://x402-toolbox.shablony-pro.workers.dev/finance/treasury-yield-curve?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"schema":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"paid":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_61BX3sjaR3Vk-3MyIgmAN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current U.S. Treasury yield curve data across maturities, paid per-call via x402/USDC with no API key required.","exampleAgentPrompt":"What does the current U.S. Treasury yield curve look like — give me yields across all maturities from 1-month to 30-year.","exampleUseCases":[{"title":"Yield curve inversion check","prompt":"Is the U.S. Treasury yield curve currently inverted? Pull the latest yields across all maturities and tell me if short-term rates are above long-term rates."},{"title":"Risk-free rate for valuation model","prompt":"What's the current 10-year U.S. Treasury yield? I need the risk-free rate for a DCF model I'm building."},{"title":"Macro interest rate snapshot","prompt":"Give me a snapshot of today's Treasury yield curve — all maturities — so I can see where rates are sitting across the curve."}],"resultDescription":"A JSON object containing current U.S. Treasury yield rates across multiple maturities (e.g. 1-month, 3-month, 6-month, 1-year, 2-year, 5-year, 10-year, 30-year), indicating a successful paid lookup with ok and paid flags set to true.","failureModes":["Payment not included or insufficient USDC — returns HTTP 402","Invalid schema parameter — may return empty or malformed response","Data temporarily unavailable — upstream Treasury data source outage","Rate limiting or worker timeout on the Cloudflare edge"],"whenToPreferThis":"Choose this endpoint when you need a no-signup, pay-per-call source of U.S. Treasury yield curve data for AI agents operating autonomously with crypto wallets. Ideal for agents that don't have traditional API credentials but can pay $0.002 USDC per call via the x402 protocol. Prefer over subscription-based financial data APIs when running low-frequency lookups where per-call pricing is cheaper than a monthly plan.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:49:56.299Z","isFirstParty":false,"canonicalSlug":"treasury-yield-curve-data-d55fe009"}