{"uid":"cap_b3zNvybj3_35Xdl-ko1zt","slug":"nexusapi-health-symptoms-lookup-3887b616","name":"NexusAPI Health Symptoms Lookup","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://nexus-api-peach-nine.vercel.app/api/health/symptoms?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","description":"Search query or input parameter"}}},"responseSchema":{"type":"object","description":"API response data"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.072427","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":"$0.072427/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.072427","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.072427","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vW142bRoO7NUTVDDGqog0","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.072427","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches for health symptom information based on a natural language query","exampleAgentPrompt":"Can you look up what conditions or illnesses are commonly associated with symptoms like persistent headache, fever, and neck stiffness?","exampleUseCases":[{"title":"Symptom checker for unexpected physical reactions","prompt":"I've been feeling dizzy and short of breath lately. Can you search for what health conditions might cause these symptoms together?"},{"title":"Pre-visit health information gathering","prompt":"Before my doctor's appointment, can you look up what causes joint pain combined with fatigue? I want to understand what might be going on."},{"title":"Illness identification from symptom description","prompt":"My throat is sore, I have a cough, and I'm running a temperature. Can you search for what common illnesses present with these exact symptoms?"}],"resultDescription":"Returns health and symptom information matching the query, potentially including possible conditions, symptom descriptions, and related medical information.","failureModes":["Empty or vague query returns generic or no results","Query not related to health symptoms may return irrelevant data","Service may return 402 Payment Required if USDC payment is not attached","Highly specific or rare symptom combinations may return limited results","Malformed request body returns 400 error"],"whenToPreferThis":"Use this endpoint when an agent needs to quickly look up symptom-related health information without requiring an API key, paying per call in USDC on Base. Suitable for lightweight symptom queries where full medical database integration is not needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T00:46:46.440Z","isFirstParty":false,"canonicalSlug":"nexusapi-health-symptoms-lookup-3887b616"}