{"uid":"cap_ljOgjq6nv5zyR-zy_tBdP","slug":"proyield-historical-yield-series-api-6f06cdc8","name":"ProYield Historical Yield Series API","description":"Non-custodial stablecoin yield on blue-chip DeFi lending protocols — Aave, Sky, Morpho. No directional bets, no custody. Live rates, published sources.","url":"https://pyd.fi/api/agents/series?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"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"kind":"series","last_date":"2026-10-10","first_date":"2026-09-24","points_count":17,"daily_growth_bps":[{"bps":275.9342,"date":"2026-10-01","from_date":"2026-09-30","share_price_usdc":1.027913}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_jWFUbaKT48C-i25Y-e4Oe","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a time series of daily share price and basis-point growth for the ProYield stablecoin yield vault, sourced from Aave, Sky, and Morpho lending protocols.","exampleAgentPrompt":"Pull the ProYield vault's historical daily yield series so I can see how the share price and basis-point growth have moved over time across Aave, Sky, and Morpho.","exampleUseCases":[{"title":"Daily yield trend visualization","prompt":"Fetch the full ProYield historical yield series so I can plot the day-by-day basis point returns and share price in USDC on a chart for the past month."},{"title":"DeFi yield performance report","prompt":"Get me ProYield's historical daily growth data in basis points — I'm putting together a weekly performance report comparing stablecoin lending vault returns."},{"title":"Automated yield monitoring alert","prompt":"Check the ProYield historical series and tell me if the daily basis point yield has dropped significantly in the last few days compared to the prior week average."}],"resultDescription":"A JSON object containing the series metadata (first date, last date, total points count) and an array of daily data points, each with a date, from_date, share price in USDC, and growth in basis points (bps). For example: 275.93 bps on 2026-10-01 with a share price of 1.027913 USDC.","failureModes":["Payment not included or invalid x402 payment header — returns 402 Payment Required","No data available for requested period — may return empty points array","Network or upstream on-chain data unavailability — returns 5xx server error","Malformed request — returns 400 Bad Request if method is not GET/HEAD/DELETE"],"whenToPreferThis":"Use this endpoint when you need historical time-series data on ProYield vault yield performance — specifically daily share price and basis-point growth — rather than live/current state. Prefer it over the live vault state endpoint when the goal is trend analysis, charting, backtesting, or performance reporting over a date range.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T06:42:24.529Z","isFirstParty":false,"canonicalSlug":"proyield-historical-yield-series-api-6f06cdc8"}