{"uid":"cap_dJbIeI7yXHCRkXR7h8uQC","slug":"tollex-merchant-health-check-5921e2bf","name":"Tollex Merchant Health Check","description":"Tollex lets software agents buy APIs and tools under rules you set: it finds a capability that fits, checks your policy before anything is signed, pays with x402 in USDC on Base or USDG on Robinhood Chain, reconciles uncertain payments and returns a signed receipt.","url":"https://api.tollex.org/tools/merchant_health?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","pattern":"^https?://","examples":["https://merchant.example/v1/quote"],"maxLength":2048}}},"responseSchema":{"type":"json","example":{"tool":{"id":"merchant_health","version":"1.0.0","provider":"tollex.robinhood-chain"},"result":{"error":null,"origin":"https://api.example.com","healthHttp":200,"challengeValid":true,"healthLatencyMs":95,"challengeLatencyMs":140},"evidence":[],"untrustedOutput":false}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0079","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":"$0.0079/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0079","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0079","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_emOCJ_-n9Xfvq3YcTyV9o","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0079","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a merchant API endpoint is healthy, reachable, and capable of accepting x402-based payments before committing budget","exampleAgentPrompt":"Before I let my agent start spending on it, can you check if the merchant endpoint at https://merchant.example/v1/quote is healthy and ready to accept x402 payments?","exampleUseCases":[{"title":"Pre-spend merchant reachability check","prompt":"Before my agent starts buying API calls from this new tool provider, can you verify that https://api.newvendor.io/v1/analyze is up and capable of receiving x402 payments?"},{"title":"Policy onboarding validation","prompt":"I want to add https://data.provider.com/v2/enrich to my approved merchant list — check if it's healthy and payment-ready first so I don't add a dead endpoint to my policy."},{"title":"Agent runtime health gate","prompt":"My autonomous agent is about to use https://inference.toolhub.io/predict — can you run a quick health check on that merchant URL so we know it won't fail mid-task?"}],"resultDescription":"Returns a health assessment for the given merchant URL, indicating whether the endpoint is reachable, responsive, and capable of participating in x402 payment flows. Likely includes status flags for connectivity and payment readiness, helping an agent or policy engine decide whether to proceed with this merchant.","failureModes":["URL does not resolve or is unreachable — returns connectivity failure","Merchant endpoint is reachable but does not support x402 payment headers — returns payment capability mismatch","Malformed or non-HTTP/HTTPS URL rejected by pattern validation","Merchant returns unexpected status codes — health marked degraded or unknown","Network timeout on probe — returns timeout error"],"whenToPreferThis":"Use this endpoint when you need to pre-flight a merchant URL before committing agent budget, adding a vendor to an approved policy list, or gating an autonomous workflow on merchant availability. Prefer this over general HTTP ping tools when you specifically need to verify x402 payment compatibility, not just TCP/HTTP reachability.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:43:08.101Z","isFirstParty":false,"canonicalSlug":"tollex-merchant-health-check-5921e2bf"}