{"id":"b1250851-aebf-4cef-8965-ca57c3240c24","shortId":"xN4bbN","kind":"x402","title":"RUNE liquidity data via x402 micropayment on Base network, $0.02 per request.","tagline":"RUNE liquidity data via x402 micropayment on Base network, $0.02 per request.","description":"This endpoint provides RUNE (THORChain) liquidity data through the x402 payment protocol. It is hosted on lowpaymentfee.com, a platform offering a variety of pay-per-request APIs spanning DeFi, analytics, AI, and utility categories. The endpoint accepts POST requests and returns JSON. Payment is settled in USDC on the Base network at $0.02 per call (20,000 base units of USDC with 6 decimals). No API keys or rate limits are required — access is gated solely by the x402 payment header.\n\nThe specific endpoint `/api/v1/defi/RUNE/liquidity` is not listed on the provider's landing page among the advertised APIs, though the landing page does show a broad set of finance and crypto endpoints at similar price points. The endpoint was confirmed live via a 402 challenge response. Documentation beyond the landing page is effectively empty (all doc/pricing/README pages only show a \"Connect wallet\" prompt), so the exact request body schema and response fields for this RUNE liquidity endpoint are unknown.\n\nThe provider advertises uniform $0.02 pricing across all endpoints, no minimums, no commitments, and settlement on the Base network. The x402 challenge confirms USDC (contract 0x8335…2913) as the payment asset, with a 300-second timeout window.","tags":[],"capabilities":["defi-liquidity-data","rune-thorchain","x402-micropayment","usdc-base-network","pay-per-request","json-api"],"categories":["defi","crypto"],"synonyms":["RUNE liquidity","THORChain liquidity","DeFi liquidity API","RUNE pool data","THORChain DeFi data","crypto liquidity endpoint"],"warnings":["No documentation available — all doc pages return only a 'Connect wallet' prompt","The /api/v1/defi/RUNE/liquidity endpoint is not listed among the provider's advertised APIs on the landing page","Request body schema and response schema are completely unknown","Provider appears to be a generic multi-category API platform; data quality and sourcing for RUNE liquidity is unverified"],"endpointUrl":"https://lowpaymentfee.com/api/v1/defi/RUNE/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/RUNE/liquidity","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is confirmed live via a valid 402 challenge, but there is no documentation, no request/response schema, and the specific RUNE liquidity endpoint is not even listed on the provider's landing page. Pricing and payment details are clear, but the actual data returned is 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'0.02':10,22,78,189 '000':82 '0x8335':210 '20':81 '2913':211 '300':218 '402':149 '6':88 'DeFi liquidity API' 'RUNE liquidity' 'RUNE pool data' 'THORChain DeFi data' 'THORChain liquidity' 'accept':62 'access':98 'across':191 'advertis':122,187 'ai':56 'among':120 'analyt':55 'api':52,91,123 'asset':215 'base':8,20,75,83,202 'beyond':153 'bodi':173 'broad':131 'call':80 'categori':59 'challeng':150,206 'commit':197 'confirm':145,207 'connect':166 'contract':209 'crypto':136 'crypto liquidity endpoint' 'data':3,15,31 'decim':89 'defi':54 'defi-liquidity-data' 'doc/pricing/readme':161 'document':152 'effect':158 'empti':159 'endpoint':26,61,109,137,143,182,193 'exact':171 'field':177 'financ':134 'gate':100 'header':106 'host':39 'json':67 'json-api' 'key':92 'land':118,126,155 'limit':95 'liquid':2,14,30,181 'list':113 'live':146 'lowpaymentfee.com':41 'micropay':6,18 'minimum':195 'network':9,21,76,203 'offer':44 'page':119,127,156,162 'pay':49 'pay-per-request':48 'payment':35,68,105,214 'per':11,23,50,79 'platform':43 'point':141 'post':63 'price':140,190 'prompt':168 'protocol':36 'provid':27,116,186 'rate':94 'request':12,24,51,64,172 'requir':97 'respons':151,176 'return':66 'rune':1,13,28,180 'rune-thorchain' 'schema':174 'second':219 'set':132 'settl':70 'settlement':199 'show':129,164 'similar':139 'sole':101 'span':53 'specif':108 'thorchain':29 'though':124 'timeout':220 'uniform':188 'unit':84 'unknown':184 'usdc':72,86,208 'usdc-base-network' 'util':58 'varieti':46 'via':4,16,147 'wallet':167 'window':221 'x402':5,17,34,104,205 'x402-micropayment'","prices":[{"id":"e4f88d23-599a-40d9-9fe7-e30dd0a2e420","listingId":"b1250851-aebf-4cef-8965-ca57c3240c24","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/RUNE/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":"2026-04-18T18:33:36.184Z"}],"sources":[{"listingId":"b1250851-aebf-4cef-8965-ca57c3240c24","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/defi/RUNE/liquidity","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:33:36.184Z","lastSeenAt":"2026-04-23T00:30:58.927Z"}],"details":{"listingId":"b1250851-aebf-4cef-8965-ca57c3240c24","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/defi/RUNE/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":"Uniform $0.02 per request pricing, no API keys, no rate limits, Base network settlement","source_url":"https://lowpaymentfee.com"},{"claim":"x402 challenge confirms USDC on Base with maxAmountRequired of 20000 base units (=$0.02) and 300s timeout","source_url":"https://lowpaymentfee.com/api/v1/defi/RUNE/liquidity"},{"claim":"USDC contract address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/defi/RUNE/liquidity"}],"useCases":["Querying current RUNE liquidity pool metrics for trading decisions","Integrating THORChain liquidity data into DeFi dashboards","Automated agents fetching real-time RUNE liquidity for arbitrage or portfolio management"],"bestFor":["Developers needing on-demand RUNE/THORChain liquidity data without API key management","AI agents that can settle x402 micropayments on Base","Low-volume or bursty access patterns where pay-per-call is more economical than subscriptions"],"notFor":["High-frequency trading requiring sub-second latency and bulk pricing","Users who need comprehensive THORChain analytics beyond liquidity (e.g., swap history, node data)","Anyone unable to settle USDC payments on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-27T18:34:11.495Z"},"updatedAt":"2026-04-23T00:30:58.927Z"}}