{"id":"c7543c6a-e7e7-4d38-8422-bde03967e469","shortId":"3RR99B","kind":"x402","title":"Insurance claims data endpoint on Base, paid per-request via x402 in USDC.","tagline":"Insurance claims data endpoint on Base, paid per-request via x402 in USDC.","description":"This endpoint at lowpaymentfee.com provides access to insurance claims data (specifically claim ID 20) via an x402 pay-per-request model. The endpoint accepts POST requests and returns JSON. Payment is settled in USDC on the Base network at $0.02 per request (20,000 base units of USDC with 6 decimals). No API keys or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof.\n\nThe provider, lowpaymentfee.com, hosts a broad catalog of pay-per-call APIs spanning data analytics, AI/ML inference, finance, crypto, and utility services, all priced at $0.02 per request. This specific endpoint falls under an insurance claims category, though the exact schema of the returned claims data is not documented. The x402 challenge was successfully captured (HTTP 402), confirming the endpoint is live and accepting payment challenges.\n\nBecause there is no OpenAPI spec, no request/response schema documentation, and no example payloads available, the actual structure of the insurance claims data returned is unknown. Callers should expect a JSON response but will need to experiment to understand the fields returned.","tags":[],"capabilities":["x402-payment","usdc-base","insurance-claims","pay-per-request","no-api-key","json-response"],"categories":["finance","data"],"synonyms":["insurance claims API","claims data endpoint","x402 insurance","pay-per-call claims","USDC API","Base network API","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available — request and response formats are unknown","The insurance claims data content and structure are completely undocumented","The provider site shows only a generic catalog page with no per-endpoint docs","Claim ID '20' is hardcoded in the URL; it is unclear how to query other claims or what IDs are valid"],"endpointUrl":"https://lowpaymentfee.com/api/v1/insurance/claims/20","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/20","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no request/response schema, no documentation of what insurance claims data is returned, and no examples. The listing is essentially a stub with confirmed 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'000':73 '20':42,72 '402':160 '6':79 'Base network API' 'USDC API' 'accept':53,167 'access':34 'actual':186 'ai/ml':119 'analyt':118 'api':82,115 'attach':91 'avail':184 'base':6,20,66,74 'broad':108 'call':114 'caller':89,196 'captur':158 'catalog':109 'categori':140 'challeng':155,169 'claim':2,16,37,40,139,148,191 'claims data endpoint' 'confirm':161 'crypto':122 'data':3,17,38,117,149,192 'decim':80 'document':152,179 'endpoint':4,18,30,52,134,163 'exact':143 'exampl':182 'expect':198 'experi':206 'fall':135 'field':210 'financ':121 'header':96 'host':106 'http':159 'id':41 'infer':120 'insur':1,15,36,138,190 'insurance claims API' 'insurance-claims' 'json':58,200 'json-response' 'key':83 'limit':86 'live':165 'lowpaymentfee' 'lowpaymentfee.com':32,105 'model':50 'need':204 'network':67 'no-api-key' 'openapi':174 'paid':7,21 'pay':47,112 'pay-per-cal':111 'pay-per-call claims' 'pay-per-request':46 'payload':183 'payment':59,95,101,168 'per':9,23,48,70,113,130 'per-request':8,22 'post':54 'price':127 'proof':102 'provid':33,104 'rate':85 'request':10,24,49,55,71,131 'request/response':177 'requir':88 'respons':201 'return':57,147,193,211 'schema':144,178 'servic':125 'settl':61 'simpli':90 'span':116 'spec':175 'specif':39,133 'structur':187 'success':157 'though':141 'understand':208 'unit':75 'unknown':195 'usdc':14,28,63,77 'usdc-base' 'util':124 'valid':99 'via':11,25,43 'x':94 'x-payment':93 'x402':12,26,45,100,154 'x402 insurance' 'x402-payment'","prices":[{"id":"8b8c7afa-c313-4ccd-b480-f17de9ce54af","listingId":"c7543c6a-e7e7-4d38-8422-bde03967e469","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/20","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:22.169Z"}],"sources":[{"listingId":"c7543c6a-e7e7-4d38-8422-bde03967e469","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/insurance/claims/20","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:22.169Z","lastSeenAt":"2026-04-22T23:02:42.640Z"}],"details":{"listingId":"c7543c6a-e7e7-4d38-8422-bde03967e469","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/insurance/claims/20 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-proof>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns HTTP 402 with x402 challenge, confirming it is live","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/20"},{"claim":"Payment is 20,000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on Base network, equaling $0.02","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/20"},{"claim":"Provider advertises $0.02/request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Provider hosts APIs across data/analytics, AI/ML, finance/web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving insurance claims data on-demand without subscription","Programmatic access to claims records for analytics pipelines","Agent-driven insurance data lookups with crypto micropayments"],"bestFor":["Developers needing one-off insurance claims data without API key management","AI agents that can settle USDC payments on Base","Prototyping insurance data integrations with minimal setup"],"notFor":["Production insurance systems requiring documented, stable schemas","Users who need bulk claims data export (single-record endpoint)","Teams without USDC on Base for payment"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:07.792Z"},"updatedAt":"2026-04-22T23:02:42.640Z"}}