{"id":"bdfa844b-48e3-4174-b370-5cbf048d436c","shortId":"H25nFy","kind":"x402","title":"Get the current price of MNT (Mantle) token via a pay-per-call x402 endpoint on Base.","tagline":"Get the current price of MNT (Mantle) token via a pay-per-call x402 endpoint on Base.","description":"This endpoint returns the current price of the MNT (Mantle Network) token. It is part of a broader suite of APIs hosted at lowpaymentfee.com, which offers data & analytics, AI/ML inference, finance/Web3, and infrastructure utility endpoints — all payable per request via the x402 protocol on the Base network using USDC.\n\nThe specific endpoint `/api/v1/tokens/MNT/price` accepts POST requests and returns JSON. Each call costs $0.02 in USDC (20,000 base units with 6 decimals) settled on-chain on Base. There are no API keys, no rate limits, and no subscription commitments — payment is handled entirely through the x402 payment header. The x402 challenge was confirmed live, returning a valid 402 response with payment parameters including the USDC contract address on Base (0x8335…2913) and a 300-second payment timeout.\n\nDocumentation beyond the landing page is sparse; the /docs, /pricing, /api, and /README pages all returned only a \"Connect wallet\" prompt with no additional technical detail. No OpenAPI schema, request/response examples, or detailed field descriptions were found. The endpoint appears to be part of a pattern where `/api/v1/tokens/{symbol}/price` returns token pricing data, but the exact response schema is not documented.","tags":[],"capabilities":["token-price-lookup","x402-payment","usdc-settlement","base-network","pay-per-request","crypto-market-data"],"categories":["finance","crypto"],"synonyms":["MNT price","Mantle token price","crypto price API","token price feed","MNT market data","x402 price endpoint","Mantle price lookup"],"warnings":["No OpenAPI or schema documentation available — response format is unknown","All doc/pricing/README pages return only a 'Connect wallet' prompt with no content","No example responses or field descriptions found for the token price endpoint","The broader site lists many endpoints but none have detailed documentation"],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/MNT/price","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/MNT/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.400","qualityRationale":"The x402 challenge is live and confirms pricing and payment details, but there is no OpenAPI schema, no documented request/response format, and all documentation pages beyond the landing page are empty stubs. The endpoint's actual behavior and response shape must be 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'/api/v1/tokens':212 '/api/v1/tokens/mnt/price':89 '/docs':173 '/price':214 '/pricing':174 '/readme':177 '0.02':99 '000':103 '0x8335':157 '20':102 '2913':158 '300':161 '402':145 '6':107 'MNT market data' 'MNT price' 'Mantle price lookup' 'Mantle token price' 'accept':90 'addit':188 'address':154 'ai/ml':65 'analyt':64 'api':57,118 'appear':204 'base':18,36,82,104,114,156 'base-network' 'beyond':166 'broader':54 'call':14,32,97 'chain':112 'challeng':138 'commit':126 'confirm':140 'connect':183 'contract':153 'cost':98 'crypto price API' 'crypto-market-data' 'current':3,21,41 'data':63,218 'decim':108 'descript':199 'detail':190,197 'document':165,226 'endpoint':16,34,38,71,88,203 'entir':130 'exact':221 'exampl':195 'field':198 'finance/web3':67 'found':201 'get':1,19 'handl':129 'header':135 'host':58 'includ':150 'infer':66 'infrastructur':69 'json':95 'key':119 'land':168 'limit':122 'live':141 'lowpaymentfee.com':60 'mantl':7,25,46 'mnt':6,24,45 'network':47,83 'offer':62 'on-chain':110 'openapi':192 'page':169,178 'paramet':149 'part':51,207 'pattern':210 'pay':12,30 'pay-per-cal':11,29 'pay-per-request' 'payabl':73 'payment':127,134,148,163 'per':13,31,74 'post':91 'price':4,22,42,217 'prompt':185 'protocol':79 'rate':121 'request':75,92 'request/response':194 'respons':146,222 'return':39,94,142,180,215 'schema':193,223 'second':162 'settl':109 'spars':171 'specif':87 'subscript':125 'suit':55 'symbol':213 'technic':189 'timeout':164 'token':8,26,48,216 'token price feed' 'token-price-lookup' 'unit':105 'usdc':85,101,152 'usdc-settlement' 'use':84 'util':70 'valid':144 'via':9,27,76 'wallet':184 'x402':15,33,78,133,137 'x402 price endpoint' 'x402-payment'","prices":[{"id":"c24284fe-2bd0-404f-be77-4b19bbbab2ae","listingId":"bdfa844b-48e3-4174-b370-5cbf048d436c","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/MNT/price","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:39:09.943Z"}],"sources":[{"listingId":"bdfa844b-48e3-4174-b370-5cbf048d436c","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/MNT/price","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:39:09.943Z","lastSeenAt":"2026-04-24T03:02:52.566Z"}],"details":{"listingId":"bdfa844b-48e3-4174-b370-5cbf048d436c","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/MNT/price \\\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 challenge with maxAmountRequired of 20000 base units in USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/tokens/MNT/price"},{"claim":"All endpoints on the site are priced at $0.02 per request with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"The USDC asset address used is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/MNT/price"}],"useCases":["Fetching the current MNT (Mantle) token price for portfolio tracking or trading bots","Integrating real-time token pricing into DeFi dashboards or aggregators","Agent-driven price checks where per-call micropayments replace API key management","Building automated alerts or triggers based on MNT price movements"],"bestFor":["AI agents or bots that need on-demand token price data without managing API keys","Developers who prefer pay-per-call pricing over subscription models","Applications already operating on the Base network with USDC liquidity"],"notFor":["High-frequency trading requiring sub-second latency and bulk pricing (no documented rate guarantees)","Users who need historical price data or OHLCV candles (only current price is indicated)","Anyone without USDC on Base or unfamiliar with x402 payment flows"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:39.664Z"},"updatedAt":"2026-04-24T03:02:52.566Z"}}