{"uid":"cap_8fN9FC_2s2HxrRdcltkO0","slug":"euro-area-aaa-government-bond-yield-curve-ecb-4894cb9c","name":"Euro Area AAA Government Bond Yield Curve (ECB)","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/v1/euro-yield-curve?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"compare_days":{"type":"integer","description":"1-365, default 30"}}},"responseSchema":{"type":"json","example":{"date":"2026-10-01","curve":[{"term":"3M","rate_pct":2.5074,"change_bp":8.6},{"term":"6M","rate_pct":2.6913,"change_bp":13.6}],"source":"European Central Bank, euro area yield curve (AAA bonds)","compared_with":"2026-09-01","slope_10y_2y_bp":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_GXaQJSxFMMnDZI5PHJsMR","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's zero-coupon euro area AAA government bond yield curve from 3 months to 30 years, with basis-point changes versus N days ago and the 10y-2y slope.","exampleAgentPrompt":"Show me the current ECB euro area AAA government bond yield curve — zero coupon, all maturities from 3 months to 30 years — and tell me how much each rate has changed in basis points versus 60 days ago, including the 10y-2y slope.","exampleUseCases":[{"title":"Daily rate-watch for fixed-income desk","prompt":"Pull the latest ECB euro area yield curve and flag any maturities where rates have shifted more than 10 basis points in the last 30 days, and tell me what the 10y-2y slope looks like today."},{"title":"Inversion alert for macro research","prompt":"Is the euro area government bond yield curve currently inverted? Give me all the rates from 3 months to 30 years and the 10y-2y slope so I can see the shape clearly."},{"title":"Week-over-week yield change report","prompt":"What did the ECB AAA yield curve look like this week versus 7 days ago? I want the basis-point change at every maturity and the slope reading."}],"resultDescription":"Returns a JSON object with the curve date, an array of maturity buckets (e.g. 3M, 6M, 1Y … 30Y) each containing the zero-coupon rate in percent and the change in basis points versus the comparison date, the comparison date itself, the source attribution (ECB), and the 10y-2y slope in basis points.","failureModes":["ECB data not yet published for the current day — response may return the most recent available date","compare_days out of range (must be 1–365) — may return a validation error","Upstream ECB data source temporarily unavailable — service may return an error or stale data","Invalid body type supplied — request rejected"],"whenToPreferThis":"Choose this endpoint when you need the official ECB zero-coupon euro area AAA government bond yield curve with multi-maturity coverage (3M to 30Y), basis-point change comparisons, and the 10y-2y slope in a single call. Prefer it over generic bond data sources when ECB methodology and AAA-only filtering are required, or when you need the slope metric precomputed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T12:38:05.859Z","isFirstParty":false,"canonicalSlug":"euro-area-aaa-government-bond-yield-curve-ecb-4894cb9c"}