{"uid":"cap_7nK3D4qz7XOIAGgXbw8Ft","slug":"br-data-api-selic-cdi-rates-f1170cb1","name":"BR Data API – SELIC & CDI Rates","description":"Clean, normalized Brazilian public data (CNPJ, CEP, BCB rates, PTAX, holidays/business days, banks/ISPB) for AI agents. Paid endpoints use x402 (HTTP 402, USDC) — no signup or API key. Not affiliated with Receita Federal, Banco Central or Correios.","url":"https://brasil-data-x402.wagner-proc.workers.dev/v1/rates/selic?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"selic_target":{"unit":"% a.a.","as_of":"2026-10-07","value":13.75},"cdi_annualized":{"unit":"% a.a.","as_of":"2026-10-06","value":13.65}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_DzmJc0_7b_aQwNGqwo1if","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current Brazilian SELIC target rate and annualized CDI rate as published by Banco Central do Brasil (BCB).","exampleAgentPrompt":"What are the current SELIC target rate and CDI rate in Brazil right now, including the date they were last updated?","exampleUseCases":[{"title":"Fixed income yield benchmark check","prompt":"I'm evaluating a Brazilian CDB investment — can you pull the current SELIC target and CDI annualized rate so I can compare the offered yield against the benchmark?"},{"title":"Automated Brazilian rate monitoring","prompt":"Every morning, fetch the latest SELIC target and CDI rate from the Brazilian central bank and alert me if either has changed since yesterday."},{"title":"Financial report data enrichment","prompt":"I'm building a report on Brazilian macroeconomic conditions — grab today's SELIC and CDI rates, including what date they're as of, so I can include them in the summary."}],"resultDescription":"A JSON object containing two sub-objects: 'selic_target' with the current SELIC rate (% a.a.), its as_of date, and unit; and 'cdi_annualized' with the current annualized CDI rate (% a.a.), its as_of date, and unit. Data is clean and normalized from BCB sources.","failureModes":["402 Payment Required if USDC payment via x402 is missing or insufficient","503 or upstream error if BCB data source is temporarily unavailable","Stale as_of dates if BCB has not published updated rates (e.g. weekends or holidays)","Network timeout from the Cloudflare Workers endpoint"],"whenToPreferThis":"Choose this endpoint when you need clean, normalized, ready-to-use SELIC and CDI rate data from Banco Central do Brasil without requiring an API key or signup. Ideal for AI agents that need Brazilian interest rate data on demand with micro-payment pricing via x402/USDC. Prefer over scraping BCB directly or maintaining your own rate polling infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:35:04.157Z","isFirstParty":false,"canonicalSlug":"br-data-api-selic-cdi-rates-f1170cb1"}