{"id":"26f6b6f2-83e8-4901-bc5e-1900bef1789e","shortId":"j99LhB","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 87) behind a per-request USDC micropayment on the Base network. The endpoint accepts POST requests and returns JSON. Payment is settled on-chain using USDC (contract 0x8335…2913 on Base) 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 commitments. The specific endpoint listed here falls under an insurance claims path, though no detailed documentation, request schema, or response schema is available beyond the x402 challenge metadata. The endpoint is live and returns a proper 402 challenge when called without payment.\n\nBecause there is no OpenAPI spec, no example responses, and no documentation describing the request body or the structure of the returned claims data, consumers should expect to experiment or contact the provider for integration details. The pricing model is straightforward: attach an x402 payment header with USDC on Base for each call.","tags":[],"capabilities":["x402-payment","usdc-base","insurance-claims","pay-per-request","json-response","no-api-key"],"categories":["finance","data"],"synonyms":["insurance claim lookup","claims API","insurance data endpoint","x402 insurance","micropayment API","USDC pay-per-call","lowpaymentfee"],"warnings":["No OpenAPI or schema documentation available for this endpoint","No example request or response bodies documented","The insurance claims path (/api/v1/insurance/claims/87) is not listed on the provider's homepage catalog, raising questions about whether it is a production resource or a demo","No description of what fields the claims response contains"],"endpointUrl":"https://lowpaymentfee.com/api/v1/insurance/claims/87","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/87","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 402 challenge, confirming pricing and network. However, there is no OpenAPI spec, no request/response schema, no documentation for the insurance claims resource, and no example payloads. The listing is effectively a stub with confirmed liveness and 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'000':85 '0x8335':72 '20':84 '2913':73 '402':165 '6':89 '87':43 'USDC pay-per-call' 'accept':57 'ai/ml':107 'analyt':106 'api':103,122 'attach':212 'avail':151 'base':6,20,53,75,86,220 'behind':44 'beyond':152 'bodi':186 'broad':96 'call':102,168,223 'catalog':97 'chain':68 'challeng':155,166 'claim':2,16,38,41,139,193 'claims API' 'commit':129 'consum':195 'contact':201 'contract':71 'cost':79 'crypto':110 'data':3,17,39,105,194 'decim':90 'describ':183 'detail':143,206 'document':144,182 'enabl':32 'endpoint':4,18,33,56,132,158 'exampl':178 'expect':197 'experi':199 'fall':135 'financ':109 'header':216 'host':94 'id':42 'infer':108 'insur':1,15,37,138 'insurance claim lookup' 'insurance data endpoint' 'insurance-claims' 'integr':205 'json':62 'json-response' 'key':123 'limit':126 'list':133 'live':160 'lowpaymentfee' 'lowpaymentfee.com':35,93 'maximum':78 'metadata':156 'micropay':50 'micropayment API' 'model':209 'network':54 'no-api-key' 'on-chain':66 'openapi':175 'path':140 'pay':8,22,100 'pay-per-cal':99 'pay-per-request':7,21 'payment':63,170,215 'per':9,23,47,82,101,118 'per-request':46 'post':58 'price':115,208 'proper':164 'provid':92,203 'rate':125 'request':10,24,48,59,83,119,145,185 'respons':148,179 'return':61,162,192 'schema':146,149 'serv':36 'servic':113 'settl':65 'span':104 'spec':176 'specif':40,131 'straightforward':211 'structur':189 'though':141 'unit':87 'usdc':14,28,49,70,218 'usdc-base' 'use':69 'util':112 'via':11,25 'without':169 'x402':12,26,31,154,214 'x402 insurance' 'x402-enabled':30 'x402-payment'","prices":[{"id":"ff9d67a4-aaa6-47b6-a388-b5496c934631","listingId":"26f6b6f2-83e8-4901-bc5e-1900bef1789e","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/87","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:22.777Z"}],"sources":[{"listingId":"26f6b6f2-83e8-4901-bc5e-1900bef1789e","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/insurance/claims/87","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:22.777Z","lastSeenAt":"2026-04-22T18:33:17.472Z"}],"details":{"listingId":"26f6b6f2-83e8-4901-bc5e-1900bef1789e","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/insurance/claims/87 \\\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":"Endpoint returns HTTP 402 with x402 challenge advertising USDC on Base, maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/87"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/insurance/claims/87"},{"claim":"Provider advertises $0.02 per request, no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Provider homepage lists APIs across data/analytics, AI/ML, finance/web3, and infrastructure categories","source_url":"https://lowpaymentfee.com"}],"useCases":["Retrieving insurance claim details programmatically","Integrating insurance claims data into automated workflows","Agent-driven insurance claim lookups with on-chain micropayments"],"bestFor":["Developers needing on-demand insurance claims data without API key management","AI agents that can settle x402 USDC payments on Base","Low-volume, pay-as-you-go access to claims information"],"notFor":["Bulk insurance data exports requiring thousands of claims at once","Users who cannot transact USDC on the Base network","Applications requiring detailed schema documentation before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:13:06.89Z"},"updatedAt":"2026-04-22T18:33:17.472Z"}}