{"uid":"cap_AJ-5QyW_TWEdmAtenFEDW","slug":"fastapi-online-defi-protocols-lookup-596d991b","name":"fastapi.online — DeFi Protocols Lookup","description":"Chat, embeddings, OCR, speech-to-text, image editing, image understanding (captioning/Q&A), text-to-speech, translation, writing tools, classification tools, developer tools, local utilities, format/checksum validators, encoding & crypto utilities, date/time calculators, geo/coordinate math, math & finance calculators, novelty tools, and business/social writing generators — 179 endpoints in all, across multiple specialized self-hosted models. Pay per call with crypto — no signup — or get an API key.","url":"https://api.fastapi.online/defi-protocols?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","required":[],"properties":{}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0015","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":"$0.0015/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xUzJlWt8zd0JRREjXiojA","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0015","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns information about decentralized finance (DeFi) protocols, likely including protocol names, categories, TVL, and related metadata","exampleAgentPrompt":"Can you fetch me a list of DeFi protocols from the fastapi.online defi-protocols endpoint — I want to see what protocols are available along with their metadata?","exampleUseCases":[{"title":"Research DeFi protocol landscape","prompt":"Give me an overview of the DeFi protocols available — I want to know what lending, DEX, and yield protocols are out there so I can compare them."},{"title":"Identify top protocols by TVL","prompt":"Pull up the DeFi protocols data so I can see which ones have the highest total value locked and figure out where most liquidity is sitting."},{"title":"Build a DeFi dashboard data feed","prompt":"I'm building a DeFi dashboard — can you query the defi-protocols endpoint and return whatever protocol data it gives back so I can use it as a data source?"}],"resultDescription":"Returns a list or structured dataset of DeFi protocols with associated metadata such as protocol names, categories (DEX, lending, yield, etc.), TVL figures, and other relevant on-chain finance data points.","failureModes":["Empty or missing body may cause a 400 Bad Request if required fields are not provided","Invalid bodyType enum value causes schema validation failure","Payment not fulfilled results in 402 Payment Required","Rate limiting or server-side errors return 5xx responses","Endpoint may return empty results if no protocols match applied filters"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call lookup of DeFi protocol data without signing up for a dedicated DeFi data API like DeFiLlama or CoinGecko. Useful for lightweight agent workflows that occasionally need protocol metadata without a monthly subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:48:34.566Z","isFirstParty":false,"canonicalSlug":"fastapi-online-defi-protocols-lookup-596d991b"}