{"id":"e91abeb4-abb7-46f9-9715-6a36c739b3d2","shortId":"uHdfkZ","kind":"x402","title":"x402-gated medical records endpoint on Base, paid per-request in USDC.","tagline":"x402-gated medical records endpoint on Base, paid per-request in USDC.","description":"This endpoint at lowpaymentfee.com provides access to a medical records resource (`/api/v1/medical/records/10`) behind an x402 paywall. The endpoint is live and returns a standard x402 challenge when called without payment. Payment is settled on the Base network using USDC (contract `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`) with an exact-scheme payment of up to 20,000 base units, which equals $0.02 (USDC uses 6 decimals). The endpoint accepts POST requests and returns `application/json`.\n\nThe broader lowpaymentfee.com platform advertises a wide catalog of x402-gated APIs spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities — all priced at $0.02 per request with no API keys, no rate limits, and no commitments. However, the specific endpoint being listed here is in the \"medical/records\" path, which is not explicitly listed on the provider's landing page catalog. No documentation, request schema, or response schema is available for this particular endpoint, so the actual data returned and required input fields are unknown.\n\nBecause this endpoint deals with medical records, it may involve sensitive health data. There is no visible documentation about data sourcing, compliance (e.g., HIPAA), or what the returned records actually contain. Callers should exercise caution and verify the nature of the data before relying on it for any health-related application.","tags":[],"capabilities":["x402-payment","usdc-base","medical-records","per-request-billing","json-response"],"categories":["data","health"],"synonyms":["medical records API","health data endpoint","x402 medical API","pay-per-call medical data","USDC medical records","lowpaymentfee medical"],"warnings":["No documentation or schema available for this endpoint — input/output format is unknown.","Endpoint path '/api/v1/medical/records/10' is not listed on the provider's landing page catalog, raising questions about its provenance.","Medical/health data category: no information about HIPAA compliance, data sourcing, or privacy protections is provided.","The hardcoded record ID '10' in the URL suggests this may be a demo or placeholder resource rather than a general-purpose API."],"endpointUrl":"https://lowpaymentfee.com/api/v1/medical/records/10","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/medical/records/10","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but there is no documentation, no request/response schema, and the specific medical records path is not listed in the provider's own catalog. The nature and source of the medical data are entirely unknown, and the health data category raises compliance 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'0.02':85,123 '000':80 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':69 '20':79 '6':88 'USDC medical records' 'accept':92 'access':34 'actual':175,213 'advertis':102 'ai/ml':114 'analyt':113 'api':110,128 'applic':235 'application/json':97 'avail':168 'base':8,22,64,81 'behind':41 'broader':99 'call':56 'caller':215 'catalog':105,159 'caution':218 'challeng':54 'commit':135 'complianc':205 'contain':214 'contract':68 'data':112,176,196,203,225 'deal':187 'decim':89 'document':161,201 'e.g':206 'endpoint':6,20,30,46,91,139,172,186 'equal':84 'exact':73 'exact-schem':72 'exercis':217 'explicit':151 'field':181 'finance/web3':116 'gate':3,17,109 'health':195,233 'health data endpoint' 'health-rel':232 'hipaa':207 'howev':136 'infer':115 'infrastructur':118 'input':180 'involv':193 'json-response' 'key':129 'land':157 'limit':132 'list':141,152 'live':48 'lowpaymentfee medical' 'lowpaymentfee.com':32,100 'may':192 'medic':4,18,37,189 'medical records API' 'medical-records' 'medical/records':146 'natur':222 'network':65 'page':158 'paid':9,23 'particular':171 'path':147 'pay-per-call medical data' 'payment':58,59,75 'paywal':44 'per':11,25,124 'per-request':10,24 'per-request-billing' 'platform':101 'post':93 'price':121 'provid':33,155 'rate':131 'record':5,19,38,190,212 'relat':234 'reli':227 'request':12,26,94,125,162 'requir':179 'resourc':39 'respons':165 'return':50,96,177,211 'schema':163,166 'scheme':74 'sensit':194 'settl':61 'sourc':204 'span':111 'specif':138 'standard':52 'unit':82 'unknown':183 'usdc':14,28,67,86 'usdc-base' 'use':66,87 'util':119 'verifi':220 'visibl':200 'wide':104 'without':57 'x402':2,16,43,53,108 'x402 medical API' 'x402-gated':1,15,107 'x402-payment'","prices":[{"id":"207cce44-ffe6-4321-907f-1bd61ee0adea","listingId":"e91abeb4-abb7-46f9-9715-6a36c739b3d2","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"20000","chain":"base","payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/medical/records/10","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:25.031Z"}],"sources":[{"listingId":"e91abeb4-abb7-46f9-9715-6a36c739b3d2","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/medical/records/10","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:25.031Z","lastSeenAt":"2026-04-22T07:02:08.480Z"}],"details":{"listingId":"e91abeb4-abb7-46f9-9715-6a36c739b3d2","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/medical/records/10 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a valid x402 challenge with USDC on Base, maxAmountRequired 20000 base units ($0.02).","source_url":"https://lowpaymentfee.com/api/v1/medical/records/10"},{"claim":"The provider advertises $0.02/request pricing with no API keys, no rate limits, and instant access on the Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913.","source_url":"https://lowpaymentfee.com/api/v1/medical/records/10"}],"useCases":["Retrieving medical record data for record ID 10 via a single paid API call","Integrating pay-per-request medical data access into agent workflows","Testing x402 payment flows against a low-cost endpoint"],"bestFor":["Developers exploring x402 payment protocol integrations","Agents needing on-demand medical record lookups without API key management","Low-volume, pay-as-you-go data retrieval"],"notFor":["Production healthcare applications requiring HIPAA-compliant, audited data pipelines","Bulk medical data retrieval or batch processing","Users who need detailed documentation or guaranteed SLAs"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:03.246Z"},"updatedAt":"2026-04-22T07:02:08.480Z"}}