{"uid":"cap_-E7U-9QLgV0WpJ1qz3Ae3","slug":"apexapi-health-symptoms-checker-531973b3","name":"ApexAPI Health Symptoms Checker","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://apex-api-gamma.vercel.app/api/health/symptoms","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_WL8E9ApQnOSNXzbp6Hxxx","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":"Accepts a symptom-related query and returns health information or possible diagnoses based on the described symptoms","exampleAgentPrompt":"I've had a persistent headache, mild fever, and stiff neck for two days — can you check what conditions or illnesses might match those symptoms?","exampleUseCases":null,"resultDescription":"Returns health information or a list of possible conditions and relevant details matching the submitted symptom query, structured as a JSON response object.","failureModes":["Empty or missing query field returns an error or empty results","Overly vague queries may return generic or low-relevance health information","Service may be unavailable if the underlying data provider is down","Payment of 0.072427 USDC per call must succeed or the request is rejected with a 402 status","Highly specific or rare symptom combinations may not return useful matches"],"whenToPreferThis":"Use this endpoint when an agent needs to quickly look up health conditions or possible diagnoses based on described symptoms without requiring an API key, paying per call in USDC on Base via x402 protocol. Prefer this over self-hosted solutions when a lightweight, pay-as-you-go symptoms lookup is needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:57:54.272Z","isFirstParty":false}