{"id":"76637742-324b-4394-a7c3-6e4961a21da2","shortId":"szsR2k","kind":"x402","title":"OKB liquidity data via x402 micropayment on Base network, $0.02 per request.","tagline":"OKB liquidity data via x402 micropayment on Base network, $0.02 per request.","description":"This endpoint at lowpaymentfee.com provides DeFi liquidity data for the OKB token. It is part of a broader suite of pay-per-call APIs offered by lowpaymentfee.com, spanning data analytics, AI/ML inference, finance/Web3, and infrastructure utilities. All endpoints use the x402 payment protocol, settling in USDC on the Base network at $0.02 per request with no API keys, rate limits, or subscriptions required.\n\nThe specific endpoint `/api/v1/defi/OKB/liquidity` is categorized under Finance & Web3. The x402 challenge confirms it is live, accepting POST requests and requiring a payment of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02. The response MIME type is application/json. No detailed request body schema or response schema is documented in the crawled material, so the exact fields returned (e.g., pool addresses, TVL, volume) must be inferred from the endpoint path — it likely returns liquidity metrics for OKB across DeFi protocols.\n\nDocumentation on the site is minimal: the docs, API, pricing, and README 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. This limits confidence in what exactly the endpoint returns beyond the general category of OKB liquidity data.","tags":[],"capabilities":["defi-liquidity-data","okb-token","x402-micropayment","usdc-settlement","base-network","pay-per-request","no-api-key","json-response"],"categories":["defi","finance"],"synonyms":["OKB liquidity","OKB DeFi data","OKB pool liquidity","token liquidity API","DeFi liquidity endpoint","OKB TVL","crypto liquidity data"],"warnings":["No OpenAPI or schema documentation available — response payload is unknown","All documentation pages (docs, API, pricing, README) render only 'Connect wallet' with no technical content","This specific endpoint (/api/v1/defi/OKB/liquidity) is not listed on the landing page's available APIs section, raising questions about its provenance","No example requests or responses are available anywhere in the crawled material"],"endpointUrl":"https://lowpaymentfee.com/api/v1/defi/OKB/liquidity","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/defi/OKB/liquidity","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. However, there is no OpenAPI spec, no request/response schema, no documentation beyond a landing page, and no examples. The docs pages are empty stubs. The actual data returned is entirely 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'0.02':10,22,77,125 '000':114 '0x8335':119 '20':113 '2913':120 'DeFi liquidity endpoint' 'OKB DeFi data' 'OKB TVL' 'OKB liquidity' 'OKB pool liquidity' 'accept':105 'across':170 'addit':195 'address':153 'ai/ml':56 'analyt':55 'api':49,82,181 'application/json':131 'base':8,20,74,115,122 'base-network' 'beyond':224 'bodi':135 'broader':42 'call':48 'categor':94 'categori':227 'challeng':100 'confid':217 'confirm':101 'connect':190 'crawl':144 'crypto liquidity data' 'data':3,15,32,54,231 'defi':30,171 'defi-liquidity-data' 'descript':210 'detail':133,197 'doc':180 'document':141,173 'e.g':151 'endpoint':26,63,91,161,222 'equal':124 'exact':148,220 'exampl':204 'field':149 'financ':96 'finance/web3':58 'general':226 'infer':57,158 'infrastructur':60 'json-response' 'key':83 'like':164 'limit':85,216 'liquid':2,14,31,166,230 'live':104 'lowpaymentfee.com':28,52 'materi':145 'metric':167 'micropay':6,18 'mime':128 'minim':178 'must':156 'network':9,21,75 'no-api-key' 'offer':50 'okb':1,13,35,169,229 'okb-token' 'openapi':201 'page':185 'part':39 'path':162 'pay':46 'pay-per-cal':45 'pay-per-request' 'payload':214 'payment':67,111 'per':11,23,47,78 'pool':152 'post':106 'price':182 'prompt':192 'protocol':68,172 'provid':29 'rate':84 'readm':184 'render':187 'request':12,24,79,107,134,205 'requir':88,109 'respons':127,138,207,213 'return':150,165,223 'schema':136,139 'settl':69 'site':176 'span':53 'spec':202 'specif':90 'subscript':87 'suit':43 'technic':196 'token':36 'token liquidity API' 'tvl':154 'type':129 'unit':116 'usdc':71,118 'usdc-settlement' 'use':64 'util':61 'via':4,16 'volum':155 'wallet':191 'web3':97 'x402':5,17,66,99 'x402-micropayment'","prices":[{"id":"32b09eb1-f584-416d-9139-4e94902d6502","listingId":"76637742-324b-4394-a7c3-6e4961a21da2","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/defi/OKB/liquidity","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:33:39.226Z"}],"sources":[{"listingId":"76637742-324b-4394-a7c3-6e4961a21da2","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/defi/OKB/liquidity","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:39.226Z","lastSeenAt":"2026-04-23T00:30:59.117Z"}],"details":{"listingId":"76637742-324b-4394-a7c3-6e4961a21da2","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/defi/OKB/liquidity \\\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 HTTP 402 with x402 challenge requiring 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/defi/OKB/liquidity"},{"claim":"USDC asset address is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/defi/OKB/liquidity"},{"claim":"All APIs priced at $0.02 per request with no API keys, no rate limits, instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Documentation pages render only 'Connect wallet' with no additional content","source_url":"https://lowpaymentfee.com/docs"}],"useCases":["Querying real-time OKB liquidity across DeFi protocols","Monitoring OKB pool depth for trading decisions","Integrating OKB liquidity metrics into a DeFi dashboard","Automated agents checking OKB market liquidity before executing trades"],"bestFor":["Developers needing on-demand OKB liquidity data without subscriptions","AI agents that can pay per call via x402","Low-volume or sporadic DeFi data consumers who want no commitments"],"notFor":["Users needing high-frequency bulk data with predictable flat-rate pricing","Anyone requiring detailed API documentation or guaranteed SLAs before integration","Non-OKB token liquidity queries (endpoint is OKB-specific)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:32:39.843Z"},"updatedAt":"2026-04-23T00:30:59.117Z"}}