{"uid":"cap_7tUI-A51dfqYcps8hZ-kU","slug":"losbeto-brazil-interest-rate-curve-baa48105","name":"Losbeto Brazil Interest Rate Curve","description":"OpenAI-compatible LLM gateway at $0.005/call — change base_url, pay in USDC. Plus pay-per-call market data: multi-oracle price consensus, sentiment, forex, equities, commodities, Brazil macro (BCB/B3) and crypto. No API keys, no accounts. USDC on Base, Solana and Algorand via x402.","url":"https://markets.losbeto.xyz/br-curve?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","properties":{"queryParams":{"type":"object","required":[],"properties":{"format":{"type":"string","description":"Response format (json)"}}}}},"output":{"type":"object","properties":{"example":{"type":"object","description":"Brazilian interest-rate structure: Selic policy target, CDI overnight annualised on the 252-business-day convention, TJLP and 12-month IPCA — plus the real rate computed by the Fisher relation rather than naive subtraction, the CDI-versus-Selic spread as a data sanity check, and a carry-trade reading. The single largest carry signal in emerging markets."}}}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_C7pYElZro4SQZz-aEtgMR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns Brazil's key interest rate structure including Selic target, CDI overnight rate, TJLP, 12-month IPCA, real rate via Fisher relation, CDI-Selic spread, and carry-trade signal — paid per call via USDC on x402.","exampleAgentPrompt":"What's Brazil's current interest rate curve — give me the Selic target, CDI overnight rate, real rate via Fisher, IPCA, and the carry-trade reading?","exampleUseCases":[{"title":"EM carry trade screening","prompt":"Pull the latest Brazil interest rate curve for me — I need the CDI overnight, Selic target, real rate, and the carry-trade signal to evaluate whether BRL is worth including in my emerging market carry basket."},{"title":"Brazil macro briefing for investment report","prompt":"I'm writing a Brazil macro update — can you get me the current Selic policy rate, CDI rate, TJLP, 12-month IPCA, and the Fisher real rate so I have the full rate structure?"},{"title":"CDI-Selic spread data quality check","prompt":"I want to verify Brazil's CDI-Selic spread right now as a data sanity check — fetch the br-curve data and tell me how wide the spread is and whether it looks normal."}],"resultDescription":"A JSON object containing Brazil's key interest rate metrics: the Selic policy target rate, CDI overnight rate annualized on the 252-business-day convention, TJLP long-term rate, 12-month IPCA inflation reading, the real interest rate computed via the Fisher relation (not naive subtraction), the CDI-versus-Selic spread as a data sanity indicator, and a carry-trade attractiveness reading for BRL.","failureModes":["Payment not received or invalid USDC payment — returns 402 Payment Required","BCB or B3 source data unavailable — may return stale or error response","Invalid format query parameter — may return 400 or default to JSON","Network timeout from upstream data provider"],"whenToPreferThis":"Choose this endpoint when you need Brazil-specific interest rate data including Selic, CDI (252-day convention), TJLP, IPCA, and carry-trade signals without API key setup — particularly for EM macro analysis, carry-trade screening, or fixed-income research. Prefer over generic forex or macro providers when you need BCB/B3-sourced Brazilian rates with Fisher-relation real rate computation and no account registration, paying only per call in USDC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:46:23.008Z","isFirstParty":false,"canonicalSlug":"losbeto-brazil-interest-rate-curve-baa48105"}