{"uid":"cap_HrIYai9ejwOx48FbwNHpL","slug":"real-effective-exchange-rate-reer-api-b671a505","name":"Real Effective Exchange Rate (REER) API","description":"Real effective exchange rate index (2010 = 100) from the World Bank: rises mean the currency gets dearer and the country loses competitiveness. Ranking with the latest annual change, or one country's yearly series.","url":"https://api.vextorium.com/v1/real-effective-fx?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"months":{"type":"integer","description":"History length in months (annual data points)"},"country":{"type":"string","description":"ISO 2-letter code (US, GB, JP, CN...); omit for ranking"}}},"responseSchema":{"type":"json","example":{"note":"Index 2010 = 100, annual data.","source":"Source: World Bank, World Development Indicators, CC BY 4.0 (https://datacatalog.worldbank.org/public-licenses#cc-by). Selected and reformatted by Vextorium.","ranking":[{"name":"Venezuela, RB","year":"2016","index":741.53,"country":"VEN","annual_change_pct":139.39},{"name":"Ghana","year":"2025","index":86.18,"country":"GHA","annual_change_pct":27.08}],"countries":94}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ceS2D5CIM851uK4z42FkF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns inflation-adjusted real effective exchange rates for currencies against 64 economies, including country rankings by annual change or a single country's historical series, sourced from BIS data.","exampleAgentPrompt":"Show me the BIS real effective exchange rate ranking of all 64 economies with their annual change — I want to see which currencies have appreciated the most in inflation-adjusted terms recently.","exampleUseCases":[{"title":"Country competitiveness monitoring dashboard","prompt":"Pull the latest BIS real effective exchange rate ranking for all 64 economies so I can see which countries have gained or lost competitiveness over the past year."},{"title":"Single country REER trend analysis","prompt":"Get me the inflation-adjusted real effective exchange rate series for Japan (JP) over the last 24 months so I can track how the yen's competitiveness has evolved."},{"title":"Euro area currency strength check","prompt":"What's the current real effective exchange rate for the euro area (XM) over the last 12 months according to BIS data? I want to see if it's been gaining or losing purchasing power against trading partners."}],"resultDescription":"Returns a JSON object with the BIS data source label, the number of countries covered (up to 64), and either a ranked array of all countries (each with country code, name, latest REER index value, reference month, and annual percentage change) or a time-series array for a single country over the requested number of months.","failureModes":["Invalid or unsupported ISO 2-letter country code returns an error or empty result","Requesting a country not in BIS broad basket (fewer than 64 economies) may return no data","Missing required body fields causes a validation error","Data may have a publication lag of one or more months relative to current date","Network or upstream BIS data unavailability may cause timeouts"],"whenToPreferThis":"Choose this endpoint when you need inflation-adjusted, trade-weighted currency competitiveness data sourced directly from the Bank for International Settlements — specifically when nominal exchange rates are insufficient and you need to account for relative price levels. It is ideal for macroeconomic research, trade competitiveness analysis, and cross-country currency strength rankings rather than spot FX rates or nominal exchange rate lookups.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T12:45:55.616Z","isFirstParty":false,"canonicalSlug":"real-effective-exchange-rate-reer-api-b671a505"}