{"uid":"cap_xxtN2AH7rlloB4-jsz62g","slug":"ecb-euro-area-aaa-government-bond-yield-curve-4b710237","name":"ECB Euro Area AAA Government Bond Yield Curve","description":"Euro area AAA government bond yield curve (zero-coupon, 3 months to 30 years) estimated by the ECB, with change in basis points versus N days ago and the 10y-2y slope.","url":"https://api.vextorium.com/curva-bonos-eurozona-pago?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"dias_comparar":{"type":"integer","description":"1-365, default 30"}}},"responseSchema":{"type":"json","example":{"curva":[{"plazo":"3M","tipo_pct":2.5074,"cambio_pb":8.6},{"plazo":"6M","tipo_pct":2.6913,"cambio_pb":13.6},{"plazo":"1Y","tipo_pct":2.922,"cambio_pb":19.3},{"plazo":"2Y","tipo_pct":3.1065,"cambio_pb":23},{"plazo":"3Y","tipo_pct":3.169,"cambio_pb":23.7},{"plazo":"5Y","tipo_pct":3.269,"cambio_pb":24.3},{"plazo":"7Y","tipo_pct":3.3986,"cambio_pb":24.6},{"plazo":"10Y","tipo_pct":3.5922,"cambio_pb":23.7},{"plazo":"15Y","tipo_pct":3.8122,"cambio_pb":19.7},{"plazo":"20Y","tipo_pct":3.9008,"cambio_pb":14.5},{"plazo":"30Y","tipo_pct":3.835,"cambio_pb":4.8}],"fecha":"2026-10-01","fuente":"Banco Central Europeo, curva de rendimientos de la zona del euro (bonos AAA)","comparado_con":"2026-09-01","pendiente_10a_2a_pb":48.6}},"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_kpJWc6VCNY3cLDhY5EcK-","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 the ECB-estimated zero-coupon yield curve for euro area AAA government bonds (3M to 30Y maturities), with basis-point changes versus N days ago and the 10Y-2Y slope.","exampleAgentPrompt":"Show me today's ECB zero-coupon yield curve for AAA euro area government bonds across all maturities from 3 months to 30 years, with the basis-point change versus 30 days ago and the 10Y-2Y slope.","exampleUseCases":[{"title":"Daily bond market briefing","prompt":"Pull the latest ECB AAA eurozone yield curve for me — I want to see all the maturities from 3 months to 30 years, how many basis points each has moved over the past 30 days, and what the 10Y-2Y slope is sitting at right now."},{"title":"Yield curve steepening alert","prompt":"Fetch the ECB euro area AAA zero-coupon yield curve comparing today versus 7 days ago so I can see how many basis points the curve has steepened or flattened at each tenor, and give me the current 10-year minus 2-year spread."},{"title":"Macro regime shift analysis","prompt":"Get me the ECB eurozone AAA government bond yield curve with basis-point changes over the last 90 days — I want to see if the short end has moved more than the long end and what the 10Y-2Y slope looks like now versus then."}],"resultDescription":"A JSON object containing: an array of yield curve data points (each with maturity label like '3M','1Y','10Y', zero-coupon yield percentage, and change in basis points vs the comparison date), the current date, the comparison date, the source label ('Banco Central Europeo'), and the 10Y-2Y slope in basis points.","failureModes":["ECB source data unavailable or delayed — may return null values for some maturities","Invalid dias_comparar value (must be integer 1-365) — request fails or uses default","Network timeout if ECB upstream is slow","Comparison date falls outside available ECB data range — null comparado_con or null cambio_pb values"],"whenToPreferThis":"Choose this endpoint when you need the official ECB-sourced zero-coupon yield curve for euro area AAA sovereign bonds, especially when you want standardized basis-point change comparisons across a configurable lookback window and the 10Y-2Y slope metric in a single call. Prefer it over generic bond data APIs when ECB provenance and zero-coupon methodology are required, or when building eurozone rate monitoring or fixed-income dashboards.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T18:47:54.845Z","isFirstParty":false,"canonicalSlug":"ecb-euro-area-aaa-government-bond-yield-curve-4b710237"}