{"id":"3c412a85-6709-4422-9b72-e35a19255129","shortId":"ZWV7KC","kind":"x402","title":"Insurance claims data endpoint on Base, pay-per-request via x402 with USDC.","tagline":"Insurance claims data endpoint on Base, pay-per-request via x402 with USDC.","description":"This x402-enabled endpoint at lowpaymentfee.com serves insurance claims data (specifically claim ID 75) behind a per-request micropayment wall. The endpoint accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) via the x402 \"exact\" scheme. The maximum amount required per call is 20,000 base units of USDC, which equals $0.02 (USDC uses 6 decimals).\n\nThe broader lowpaymentfee.com platform advertises a catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities—all priced at $0.02 per request. The platform emphasizes no API keys, no rate limits, and instant access. However, the specific endpoint being listed here is an insurance claims resource (`/api/v1/insurance/claims/75`), which is not explicitly listed on the provider's landing page catalog. There is no OpenAPI schema, detailed documentation, or example request/response available for this endpoint, so the exact request body format and response structure are unknown.\n\nThe endpoint is confirmed live: it returns a proper HTTP 402 x402 challenge with version 1 headers. The payment recipient address is 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3, and the payment timeout is 300 seconds.","tags":[],"capabilities":["x402-payment","usdc-base","insurance-claims","pay-per-request","json-api","no-api-key"],"categories":["finance","data"],"synonyms":["insurance claim lookup","claims API","insurance data endpoint","x402 insurance","micropayment API","Base USDC API","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available for this endpoint","The /api/v1/insurance/claims/75 path is not listed among the provider's advertised APIs—its existence and data content are unverified beyond the 402 challenge","Request body format and response structure are completely unknown","The endpoint appears to serve a single hardcoded claim ID (75); generalizability is unclear"],"endpointUrl":"https://lowpaymentfee.com/api/v1/insurance/claims/75","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/insurance/claims/75","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 challenge, but there is no OpenAPI schema, no documentation, no example requests or responses, and the specific insurance claims endpoint is not listed on the provider's own landing page. The actual data returned is entirely 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'0.02':91,122 '000':84 '0x1a2b13e97f5f837c8f9fa1f95a1484b7c70d85f3':209 '0x8335':69 '1':202 '20':83 '2913':70 '300':215 '402':197 '6':94 '75':43 'Base USDC API' 'accept':53 'access':136 'address':207 'advertis':100 'ai/ml':112 'amount':78 'analyt':111 'api':108,129 'avail':172 'base':6,20,64,85 'behind':44 'bodi':180 'broader':97 'call':81,107 'catalog':102,161 'challeng':199 'claim':2,16,38,41,147 'claims API' 'confirm':190 'contract':68 'data':3,17,39,110,115 'decim':95 'detail':167 'document':168 'emphas':127 'enabl':32 'endpoint':4,18,33,52,140,175,188 'equal':90 'exact':74,178 'exampl':170 'explicit':153 'finance/web3':114 'format':181 'header':203 'howev':137 'http':196 'id':42 'infer':113 'infrastructur':117 'instant':135 'insur':1,15,37,146 'insurance claim lookup' 'insurance data endpoint' 'insurance-claims' 'json':58 'json-api' 'key':130 'land':159 'limit':133 'list':142,154 'live':191 'lowpaymentfee' 'lowpaymentfee.com':35,98 'maximum':77 'micropay':49 'micropayment API' 'network':65 'no-api-key' 'openapi':165 'page':160 'pay':8,22,105 'pay-per-cal':104 'pay-per-request':7,21 'payment':59,205,212 'per':9,23,47,80,106,123 'per-request':46 'platform':99,126 'post':54 'price':120 'proper':195 'provid':157 'rate':132 'recipi':206 'request':10,24,48,55,124,179 'request/response':171 'requir':79 'resourc':148 'respons':183 'return':57,193 'schema':166 'scheme':75 'second':216 'serv':36 'settl':61 'span':109 'specif':40,139 'structur':184 'timeout':213 'unit':86 'unknown':186 'usdc':14,28,67,88,92 'usdc-base' 'use':66,93 'util':118 'version':201 'via':11,25,71 'wall':50 'x402':12,26,31,73,198 'x402 insurance' 'x402-enabled':30 'x402-payment'","prices":[{"id":"89e1d398-9ed7-4bb7-9d4a-05cf9b302b75","listingId":"3c412a85-6709-4422-9b72-e35a19255129","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/insurance/claims/75","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:23.018Z"}],"sources":[{"listingId":"3c412a85-6709-4422-9b72-e35a19255129","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/insurance/claims/75","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:23.018Z","lastSeenAt":"2026-04-22T16:32:51.957Z"}],"details":{"listingId":"3c412a85-6709-4422-9b72-e35a19255129","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/insurance/claims/75 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 x402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/75"},{"claim":"The platform advertises $0.02 per request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/75"}],"useCases":["Retrieving insurance claim details programmatically","Integrating insurance claims data into automated workflows","Agent-driven insurance claim lookups with per-call payment"],"bestFor":["Developers needing on-demand insurance claims data without subscriptions","AI agents that can settle x402 micropayments on Base","Applications requiring pay-as-you-go access to structured claims data"],"notFor":["Bulk insurance data exports (no batch endpoint documented)","Users who cannot transact USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:06.423Z"},"updatedAt":"2026-04-22T16:32:51.957Z"}}