{"id":"758f8b6f-7017-44b8-ab40-ebe1a39ed9fb","shortId":"eTSzqW","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 endpoint at lowpaymentfee.com provides access to insurance claims data (specifically claim ID 19) behind an x402 paywall. It is part of a broader platform that offers dozens of pay-per-call API endpoints spanning data analytics, AI/ML inference, finance, crypto, and utility services — all settled on the Base network using USDC.\n\nThe x402 challenge confirms the endpoint is live and accepts POST requests. The maximum amount required is 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 per request (USDC uses 6 decimals). The platform advertises a flat $0.02/request pricing across all endpoints, with no API keys, no rate limits, and no minimum commitments required. Payment is made inline via the X-PAYMENT header per the x402 protocol.\n\nThe specific endpoint `/api/v1/insurance/claims/19` is not listed on the site's main catalog page, which focuses on analytics, AI, finance, and utility categories. It is unclear what data this particular insurance claims endpoint returns — no OpenAPI schema, response examples, or documentation beyond the generic \"Premium API Access\" description were found. The output schema in the x402 challenge only specifies that the input method is HTTP POST and that the endpoint is discoverable. Prospective callers should be aware that the response format is undocumented.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","insurance-claims-data","pay-per-request","no-api-key"],"categories":["finance","data"],"synonyms":["insurance claims API","x402 insurance endpoint","pay-per-call insurance data","USDC API payment","Base network API","lowpaymentfee insurance"],"warnings":["No documentation or response schema available for this specific endpoint","Endpoint /api/v1/insurance/claims/19 is not listed in the provider's public API catalog","Response format and fields are completely undocumented — callers cannot predict what data they will receive","The generic description 'Premium API Access' provides no information about the endpoint's actual function"],"endpointUrl":"https://lowpaymentfee.com/api/v1/insurance/claims/19","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/19","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/request in USDC on Base). However, there is no OpenAPI schema, no response examples, no documentation for this specific insurance claims endpoint, and it doesn't appear in the provider's own catalog. The actual data returned is 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'/request':124 '0.02':111,123 '000':100 '0x8335':105 '19':42 '20':99 '2913':106 '6':116 'Base network API' 'USDC API payment' 'accept':91 'access':34,201 'across':126 'advertis':120 'ai':173 'ai/ml':67 'amount':96 'analyt':66,172 'api':62,131,200 'awar':231 'base':6,20,78,101,108 'base-network' 'behind':43 'beyond':196 'broader':52 'call':61 'caller':228 'catalog':167 'categori':177 'challeng':84,211 'claim':2,16,37,40,186 'commit':139 'confirm':85 'crypto':70 'data':3,17,38,65,182 'decim':117 'descript':202 'discover':226 'document':195 'dozen':56 'endpoint':4,18,30,63,87,128,157,187,224 'equal':110 'exampl':193 'financ':69,174 'flat':122 'focus':170 'format':235 'found':204 'generic':198 'header':150 'http':219 'id':41 'infer':68 'inlin':144 'input':216 'insur':1,15,36,185 'insurance claims API' 'insurance-claims-data' 'key':132 'limit':135 'list':161 'live':89 'lowpaymentfee insurance' 'lowpaymentfee.com':32 'made':143 'main':166 'maximum':95 'method':217 'minimum':138 'network':79 'no-api-key' 'offer':55 'openapi':190 'output':206 'page':168 'part':49 'particular':184 'pay':8,22,59 'pay-per-cal':58 'pay-per-call insurance data' 'pay-per-request':7,21 'payment':141,149 'paywal':46 'per':9,23,60,112,151 'platform':53,119 'post':92,220 'premium':199 'price':125 'prospect':227 'protocol':154 'provid':33 'rate':134 'request':10,24,93,113 'requir':97,140 'respons':192,234 'return':188 'schema':191,207 'servic':73 'settl':75 'site':164 'span':64 'specif':39,156 'specifi':213 'unclear':180 'undocu':237 'unit':102 'usdc':14,28,81,104,114 'usdc-settlement' 'use':80,115 'util':72,176 'via':11,25,145 'x':148 'x-payment':147 'x402':12,26,45,83,153,210 'x402 insurance endpoint' 'x402-payment'","prices":[{"id":"55af258c-9aa2-4e87-8779-d8a435ca4961","listingId":"758f8b6f-7017-44b8-ab40-ebe1a39ed9fb","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/19","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:22.254Z"}],"sources":[{"listingId":"758f8b6f-7017-44b8-ab40-ebe1a39ed9fb","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/insurance/claims/19","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:22.254Z","lastSeenAt":"2026-04-22T21:32:10.314Z"}],"details":{"listingId":"758f8b6f-7017-44b8-ab40-ebe1a39ed9fb","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/insurance/claims/19 \\\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 platform advertises $0.02/request flat pricing with no API keys, no rate limits, and instant access on the Base network.","source_url":"https://lowpaymentfee.com"},{"claim":"The x402 challenge specifies maxAmountRequired of 20000 base units of USDC (asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) on the Base network.","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/19"},{"claim":"The endpoint accepts POST requests and is marked as discoverable in the outputSchema.","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/19"}],"useCases":["Retrieving insurance claim details programmatically with per-request micropayments","Integrating insurance data into agent workflows without managing API keys","Demonstrating x402 protocol usage for pay-per-call data access"],"bestFor":["Agents or developers needing on-demand insurance claims data without subscriptions","x402-compatible clients on the Base network","Low-volume, pay-as-you-go data retrieval"],"notFor":["High-volume insurance data pipelines requiring bulk pricing or SLAs","Users who need detailed documentation or guaranteed response schemas before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:07.655Z"},"updatedAt":"2026-04-22T21:32:10.314Z"}}