{"id":"32a908ec-5561-40af-9ec2-42da3c811c9f","shortId":"cu9wkF","kind":"x402","title":"Pay-per-call KAVA token data via x402 on Base — $0.02/request, no API keys needed.","tagline":"Pay-per-call KAVA token data via x402 on Base — $0.02/request, no API keys needed.","description":"This endpoint at lowpaymentfee.com provides token data for KAVA through a pay-per-request x402 protocol. Payment is settled in USDC on the Base network at $0.02 per call (maxAmountRequired of 20,000 base units with 6 decimals). No API keys, accounts, or rate limits are required — callers simply attach an X-PAYMENT header with a valid x402 payment proof to receive a JSON response.\n\nThe endpoint is part of a broader platform offering dozens of similarly priced APIs spanning data analytics, AI/ML inference, finance/Web3 market data, and utility services. All endpoints on the platform share the same $0.02 flat pricing model. The specific `/api/v1/tokens/KAVA` path suggests it returns token-level information for the KAVA cryptocurrency, likely including price, market data, or metadata, though the exact response schema is not documented.\n\nDocumentation on the site is extremely sparse — the docs, pricing, and API pages all render only a \"Connect wallet\" prompt with no additional technical detail. There is no OpenAPI spec, no example requests or responses, and no description of the response payload beyond the generic \"Premium API Access\" label. Prospective users should be prepared to experiment with the endpoint to discover the actual response format.","tags":[],"capabilities":["x402-payment","usdc-settlement","base-network","token-data","pay-per-request","no-api-key","json-response"],"categories":["crypto","finance"],"synonyms":["KAVA token price","KAVA market data","crypto token API","KAVA price feed","x402 token endpoint","pay-per-call crypto API"],"warnings":["No OpenAPI or response schema available — response format is undocumented","All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no technical content","Exact data fields returned for KAVA token are unknown; 'Premium API Access' is the only description","No SLA, rate-limit, or uptime guarantees documented"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/KAVA","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/tokens/KAVA","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 with clear pricing, but there is no OpenAPI spec, no response schema, no example payloads, and the documentation pages are empty stubs. The actual data returned is unknown beyond the generic 'Premium API Access' 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'/request':13,30 '0.02':12,29,62,135 '000':68 '20':67 '6':72 'KAVA market data' 'KAVA price feed' 'KAVA token price' 'access':216 'account':77 'actual':231 'addit':191 'ai/ml':119 'analyt':118 'api':15,32,75,115,180,215 'attach':85 'base':11,28,59,69 'base-network' 'beyond':211 'broader':108 'call':4,21,64 'caller':83 'connect':186 'crypto token API' 'cryptocurr':153 'data':7,24,41,117,123,158 'decim':73 'descript':206 'detail':193 'discov':229 'doc':177 'document':168,169 'dozen':111 'endpoint':36,103,128,227 'exact':163 'exampl':200 'experi':224 'extrem':174 'finance/web3':121 'flat':136 'format':233 'generic':213 'header':90 'includ':155 'infer':120 'inform':149 'json':100 'json-response' 'kava':5,22,43,152 'key':16,33,76 'label':217 'level':148 'like':154 'limit':80 'lowpaymentfee.com':38 'market':122,157 'maxamountrequir':65 'metadata':160 'model':138 'need':17,34 'network':60 'no-api-key' 'offer':110 'openapi':197 'page':181 'part':105 'path':142 'pay':2,19,47 'pay-per-cal':1,18 'pay-per-call crypto API' 'pay-per-request':46 'payload':210 'payment':52,89,95 'per':3,20,48,63 'platform':109,131 'premium':214 'prepar':222 'price':114,137,156,178 'prompt':188 'proof':96 'prospect':218 'protocol':51 'provid':39 'rate':79 'receiv':98 'render':183 'request':49,201 'requir':82 'respons':101,164,203,209,232 'return':145 'schema':165 'servic':126 'settl':54 'share':132 'similar':113 'simpli':84 'site':172 'span':116 'spars':175 'spec':198 'specif':140 'suggest':143 'technic':192 'though':161 'token':6,23,40,147 'token-data' 'token-level':146 'unit':70 'usdc':56 'usdc-settlement' 'user':219 'util':125 'valid':93 'via':8,25 'wallet':187 'x':88 'x-payment':87 'x402':9,26,50,94 'x402 token endpoint' 'x402-payment'","prices":[{"id":"b67bf3fa-3ef0-48d8-8e3b-68d2e8c7bfb9","listingId":"32a908ec-5561-40af-9ec2-42da3c811c9f","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/tokens/KAVA","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:39:05.030Z"}],"sources":[{"listingId":"32a908ec-5561-40af-9ec2-42da3c811c9f","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/KAVA","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:39:05.030Z","lastSeenAt":"2026-04-24T03:02:52.280Z"}],"details":{"listingId":"32a908ec-5561-40af-9ec2-42da3c811c9f","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/KAVA \\\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, maxAmountRequired 20000 in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/KAVA"},{"claim":"Platform advertises $0.02/request flat pricing with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC asset contract on Base: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/tokens/KAVA"}],"useCases":["Fetching current KAVA token data (price, metadata) without managing API keys","Integrating KAVA market information into autonomous agent workflows via x402 micropayments","Building crypto dashboards that pay per data request on Base"],"bestFor":["Agents or bots that need on-demand KAVA token data without subscription overhead","Developers prototyping crypto data integrations with minimal setup","x402-native applications settling micropayments in USDC on Base"],"notFor":["High-frequency trading requiring sub-second latency guarantees (no SLA documented)","Users needing comprehensive historical KAVA data or bulk exports (single-call endpoint)","Anyone requiring detailed API documentation before integration"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:39.938Z"},"updatedAt":"2026-04-24T03:02:52.280Z"}}