{"id":"5cdcae60-bb2a-4196-b210-7acfaefb3805","shortId":"AZEYu4","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 `/api/v1/insurance/claims/90` is part of the lowpaymentfee.com platform, which hosts a broad catalog of pay-per-call APIs spanning data analytics, AI/ML, finance, infrastructure utilities, and more. Each request is paid individually using USDC on the Base network via the x402 protocol — no API keys, no subscriptions, no rate limits.\n\nThe specific endpoint probed serves insurance claims data (resource ID 90). The x402 challenge indicates a maximum cost of 20,000 base units of USDC (0.02 USD per request), consistent with the site-wide $0.02/request pricing. Payment is settled on-chain to a designated address using the exact-amount scheme. The endpoint accepts HTTP POST requests and returns `application/json` responses.\n\nWhile the platform advertises a wide range of endpoints, documentation is minimal — there is no OpenAPI spec, no request/response schema beyond the x402 challenge metadata, and the crawled pages beyond the homepage returned only wallet-connect prompts. The actual structure of the insurance claims data returned is unknown, so callers should expect to discover the response format empirically.","tags":[],"capabilities":["x402-payment","usdc-base","pay-per-request","insurance-claims","json-response","no-api-key","http-post"],"categories":["finance","data"],"synonyms":["insurance claims API","x402 insurance","pay-per-call insurance data","USDC API","Base network API","lowpaymentfee","claims lookup","insurance data endpoint"],"warnings":["No OpenAPI or schema documentation available — request and response formats are unknown.","The insurance claims endpoint is not listed on the provider's homepage catalog, raising questions about its status or discoverability.","Crawled /api, /pricing, and /README pages returned only 'Connect wallet' with no useful content.","Response data structure must be discovered empirically; no examples exist in source material."],"endpointUrl":"https://lowpaymentfee.com/api/v1/insurance/claims/90","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/90","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 with clear pricing ($0.02 USDC on Base). However, there is no OpenAPI spec, no request/response schema documentation, no examples, and the crawled docs pages are empty. The purpose of the insurance claims endpoint is only inferable from the URL path. This is effectively a stub 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'/request':121 '0.02':110,120 '000':105 '20':104 '90':95 'Base network API' 'USDC API' 'accept':141 'actual':188 'address':132 'advertis':152 'ai/ml':56 'amount':137 'analyt':55 'api':52,78 'application/json':147 'base':6,20,71,106 'beyond':169,178 'broad':45 'call':51 'caller':199 'catalog':46 'chain':128 'challeng':98,172 'claim':2,16,91,193 'claims lookup' 'connect':185 'consist':114 'cost':102 'crawl':176 'data':3,17,54,92,194 'design':131 'discov':203 'document':158 'empir':207 'enabl':32 'endpoint':4,18,33,87,140,157 'exact':136 'exact-amount':135 'expect':201 'financ':57 'format':206 'homepag':180 'host':43 'http':142 'http-post' 'id':94 'indic':99 'individu':66 'infrastructur':58 'insur':1,15,90,192 'insurance claims API' 'insurance data endpoint' 'insurance-claims' 'json-response' 'key':79 'limit':84 'lowpaymentfee' 'lowpaymentfee.com':40 'maximum':101 'metadata':173 'minim':160 'network':72 'no-api-key' 'on-chain':126 'openapi':164 'page':177 'paid':65 'part':37 'pay':8,22,49 'pay-per-cal':48 'pay-per-call insurance data' 'pay-per-request':7,21 'payment':123 'per':9,23,50,112 'platform':41,151 'post':143 'price':122 'probe':88 'prompt':186 'protocol':76 'rang':155 'rate':83 'request':10,24,63,113,144 'request/response':167 'resourc':93 'respons':148,205 'return':146,181,195 'schema':168 'scheme':138 'serv':89 'settl':125 'site':118 'site-wid':117 'span':53 'spec':165 'specif':86 'structur':189 'subscript':81 'unit':107 'unknown':197 'usd':111 'usdc':14,28,68,109 'usdc-base' 'use':67,133 'util':59 'via':11,25,73 'wallet':184 'wallet-connect':183 'wide':119,154 'x402':12,26,31,75,97,171 'x402 insurance' 'x402-enabled':30 'x402-payment'","prices":[{"id":"3a5aad11-4da5-4295-8e1b-36f074488b46","listingId":"5cdcae60-bb2a-4196-b210-7acfaefb3805","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/90","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:22.641Z"}],"sources":[{"listingId":"5cdcae60-bb2a-4196-b210-7acfaefb3805","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/insurance/claims/90","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:22.641Z","lastSeenAt":"2026-04-22T18:33:17.138Z"}],"details":{"listingId":"5cdcae60-bb2a-4196-b210-7acfaefb3805","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/insurance/claims/90 \\\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/90"},{"claim":"Site-wide pricing is $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base network","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/90"}],"useCases":["Retrieving insurance claims data on a per-request basis without subscription","Integrating insurance claims lookups into agent workflows that settle payments via x402","Programmatic access to claims records paid with USDC on Base"],"bestFor":["Agents or apps needing on-demand insurance claims data with crypto micropayments","Developers who want zero-signup, pay-as-you-go API access","x402-compatible clients on the Base network"],"notFor":["Users who need detailed API documentation or guaranteed response schemas before integrating","High-volume batch processing where per-request pricing may add up","Users without USDC on Base or an x402-compatible payment client"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:07.073Z"},"updatedAt":"2026-04-22T18:33:17.138Z"}}