{"uid":"cap_XaMxaULmeE9OsfJTPHCNh","slug":"synapse-economic-indicators-api-db965b94","name":"Synapse Economic Indicators API","description":"Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.","url":"https://anibalb.duckdns.org/x402/economic-indicators?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"rows":[{"date":"2025","value":30769700000000}],"country":"USA","indicator":"GDP (current US$)"}},"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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_gJHWRWvUl6S1vyhwCJwOh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns historical and current economic indicator data (e.g. GDP) for a given country, paid per call via x402 on Base in USDC","exampleAgentPrompt":"Can you pull the latest GDP data for the USA from the Synapse economic indicators endpoint — no API key needed, just pay per call?","exampleUseCases":[{"title":"GDP comparison across countries","prompt":"Get me the GDP figures for the USA, Germany, and China so I can compare their economic sizes this year."},{"title":"Historical economic trend analysis","prompt":"Pull the historical GDP data for Brazil going back as far as available so I can chart its economic growth over time."},{"title":"Agent-driven macroeconomic monitoring","prompt":"Every week, fetch the latest economic indicators for Japan and alert me if GDP changes by more than 2% from the prior reading."}],"resultDescription":"Returns a JSON object containing the country name, indicator name (e.g. 'GDP (current US$)'), and an array of rows each with a date and numeric value — representing a time series of the requested economic indicator.","failureModes":["Invalid or unsupported country code returns an error or empty rows array","Unsupported indicator type returns no data","Payment failure via x402 results in 402 response before data is delivered","Network timeout on the duckdns.org dynamic host if server is offline","Empty rows if data is not available for the requested period"],"whenToPreferThis":"Choose this endpoint when you need macroeconomic indicator data (like GDP) for a specific country without account registration or API keys, and you can pay micro-amounts in USDC on Base via x402. Ideal for AI agents operating in a pay-per-call model needing one-off economic lookups.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:46.384Z","isFirstParty":false,"canonicalSlug":"synapse-economic-indicators-api-db965b94"}