{"id":"f869f088-fbaf-4e60-9546-5c8a8507095a","shortId":"zaVCWe","kind":"x402","title":"Insurance claims lookup API on Base, paid per-request via x402 in USDC.","tagline":"Insurance claims lookup API on Base, paid per-request via x402 in USDC.","description":"This endpoint at lowpaymentfee.com provides access to insurance claims data (specifically claim ID 100 in this URL pattern) via the x402 payment protocol. It accepts POST requests and returns JSON. Payment is settled on the Base network using USDC (contract 0x8335…2913) with a maximum cost of $0.02 per request (20,000 base units at 6 decimals).\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 with no API keys, no rate limits, and no minimum commitments. The specific endpoint probed here falls under an insurance claims path (`/api/v1/insurance/claims/100`), though this particular route is not listed on the provider's public landing page among the advertised API categories. The x402 challenge was successfully captured, confirming the endpoint is live.\n\nBecause there is no OpenAPI schema, no request/response examples, and no documentation beyond the generic landing page, the actual data returned by this endpoint is unknown. It is unclear whether the path parameter `100` represents a specific claim ID, a pagination offset, or something else. Callers should be prepared to experiment or contact the provider for documentation.","tags":[],"capabilities":["x402-payment","usdc-base","insurance-claims","per-request-pricing","no-api-key","json-response"],"categories":["finance","data"],"synonyms":["insurance claim lookup","claims API","insurance data endpoint","x402 insurance","pay-per-call insurance","USDC API","Base network API"],"warnings":["No OpenAPI or schema documentation available for this endpoint","The /api/v1/insurance/claims/ path is not listed among the provider's publicly advertised APIs — it may be experimental or undocumented","No request body schema or response format is known; callers must discover behavior empirically","The crawled /api, /pricing, and /README pages returned only a 'Connect wallet' prompt with no useful content"],"endpointUrl":"https://lowpaymentfee.com/api/v1/insurance/claims/100","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/100","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI schema, no request/response examples, no documentation for this specific insurance claims path, and the endpoint isn't even listed on the provider's own landing page. Effectively a stub 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'0.02':76,112 '000':80 '0x8335':69 '100':42,201 '20':79 '2913':70 '6':84 'Base network API' 'USDC API' 'accept':53 'access':34 'actual':186 'advertis':154 'ai/ml':102 'among':152 'analyt':101 'api':4,18,98,117,155 'base':6,20,64,81 'beyond':180 'broad':91 'call':97 'caller':213 'captur':162 'catalog':92 'categori':156 'challeng':159 'claim':2,16,37,40,135,205 'claims API' 'commit':125 'confirm':163 'contact':220 'contract':68 'cost':74 'crypto':105 'data':38,100,187 'decim':85 'document':179,224 'els':212 'endpoint':30,128,165,191 'exampl':176 'experi':218 'fall':131 'financ':104 'generic':182 'host':89 'id':41,206 'infer':103 'insur':1,15,36,134 'insurance claim lookup' 'insurance data endpoint' 'insurance-claims' 'json':58 'json-response' 'key':118 'land':150,183 'limit':121 'list':144 'live':167 'lookup':3,17 'lowpaymentfee.com':32,88 'maximum':73 'minimum':124 'network':65 'no-api-key' 'offset':209 'openapi':172 'page':151,184 'pagin':208 'paid':7,21 'paramet':200 'particular':140 'path':136,199 'pattern':46 'pay':95 'pay-per-cal':94 'pay-per-call insurance' 'payment':50,59 'per':9,23,77,96,113 'per-request':8,22 'per-request-pricing' 'post':54 'prepar':216 'price':110 'probe':129 'protocol':51 'provid':33,87,147,222 'public':149 'rate':120 'repres':202 'request':10,24,55,78,114 'request/response':175 'return':57,188 'rout':141 'schema':173 'servic':108 'settl':61 'someth':211 'span':99 'specif':39,127,204 'success':161 'though':138 'unclear':196 'unit':82 'unknown':193 'url':45 'usdc':14,28,67 'usdc-base' 'use':66 'util':107 'via':11,25,47 'whether':197 'x402':12,26,49,158 'x402 insurance' 'x402-payment'","prices":[{"id":"7e5651d1-2a4c-4cc0-affd-e71aa120112a","listingId":"f869f088-fbaf-4e60-9546-5c8a8507095a","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/100","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:31.273Z"}],"sources":[{"listingId":"f869f088-fbaf-4e60-9546-5c8a8507095a","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/insurance/claims/100","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:31.273Z","lastSeenAt":"2026-04-22T04:02:45.672Z"}],"details":{"listingId":"f869f088-fbaf-4e60-9546-5c8a8507095a","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/insurance/claims/100 \\\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 402 x402 challenge with USDC on Base, maxAmountRequired 20000 (=$0.02)","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/100"},{"claim":"The 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":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/100"}],"useCases":["Retrieving insurance claims data programmatically without managing API keys","Agents autonomously purchasing insurance claim information on-demand","Integrating claims data into financial dashboards or underwriting workflows"],"bestFor":["Developers wanting zero-friction, keyless access to insurance claims data","AI agents that can settle micropayments on Base via x402","Prototyping insurance data integrations without subscription commitments"],"notFor":["Bulk retrieval of large insurance datasets (no documented batch endpoint)","Production use cases requiring well-documented schemas and SLAs","Users who cannot transact in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:12:52.563Z"},"updatedAt":"2026-04-22T04:02:45.672Z"}}