{"id":"ed4b412c-0136-421d-80d0-378e4bddb5b2","shortId":"4mkajN","kind":"x402","title":"Crypto token data for MNT via x402 micropayment on Base — $0.02 per request.","tagline":"Crypto token data for MNT via x402 micropayment on Base — $0.02 per request.","description":"This endpoint at lowpaymentfee.com provides token data for MNT (Mantle) as part of a broader suite of pay-per-call APIs secured by the x402 protocol. Each request costs $0.02 in USDC on the Base network — no API keys, no rate limits, and no subscriptions required. The caller simply includes an X-PAYMENT header with a valid x402 payment proof and receives a JSON response.\n\nThe provider offers a wide catalog of endpoints spanning data analytics, AI/ML inference, finance/Web3 market data, and utility services, all at the same $0.02 per-call price point. The specific endpoint `/api/v1/tokens/MNT` appears to sit within the finance/crypto category, likely returning token-level information (price, metadata, or quotes) for the MNT token. However, no detailed documentation or response schema is published — the docs, pricing, and README pages all resolve to a minimal \"Connect wallet\" prompt with no further content.\n\nBecause there is no OpenAPI spec, no example responses, and no documentation beyond the landing page listing, the exact shape of the response and the depth of data returned remain unknown. Agents should be prepared to handle a generic JSON payload and verify the output meets their needs on the first paid call.","tags":[],"capabilities":["x402-payment","crypto-token-data","per-call-micropayment","base-network","usdc-settlement","no-api-key","no-rate-limit"],"categories":["finance","crypto"],"synonyms":["MNT token price","Mantle token data","crypto token API","token quotes","x402 crypto API","micropayment API","pay-per-call token data"],"warnings":["No documentation available — docs, pricing, and README pages all show only 'Connect wallet' with no content.","No response schema or example response published; the exact data returned for /api/v1/tokens/MNT is unverified.","The endpoint description is the generic 'Premium API Access' with no token-specific detail.","Provider appears to be a broad multi-endpoint storefront; individual endpoint quality is unverified."],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/MNT","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","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The endpoint is live (402 challenge captured) and pricing is clear ($0.02 USDC on Base), but there is no OpenAPI spec, no response schema, no example responses, and the docs/pricing/README pages are all empty beyond a wallet-connect prompt. The actual data returned is 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'0.02':11,24,57,117 'MNT token price' 'Mantle token data' 'agent':206 'ai/ml':105 'analyt':104 'api':48,65 'appear':127 'base':10,23,62 'base-network' 'beyond':187 'broader':41 'call':47,120,227 'caller':75 'catalog':99 'categori':133 'connect':168 'content':174 'cost':56 'crypto':1,14 'crypto token API' 'crypto-token-data' 'data':3,16,33,103,109,202 'depth':200 'detail':150 'doc':158 'document':151,186 'endpoint':28,101,125 'exact':193 'exampl':182 'finance/crypto':132 'finance/web3':107 'first':225 'generic':213 'handl':211 'header':82 'howev':148 'includ':77 'infer':106 'inform':139 'json':92,214 'key':66 'land':189 'level':138 'like':134 'limit':69 'list':191 'lowpaymentfee.com':30 'mantl':36 'market':108 'meet':220 'metadata':141 'micropay':8,21 'micropayment API' 'minim':167 'mnt':5,18,35,146 'need':222 'network':63 'no-api-key' 'no-rate-limit' 'offer':96 'openapi':179 'output':219 'page':162,190 'paid':226 'part':38 'pay':45 'pay-per-cal':44 'pay-per-call token data' 'payload':215 'payment':81,87 'per':12,25,46,119 'per-cal':118 'per-call-micropayment' 'point':122 'prepar':209 'price':121,140,159 'prompt':170 'proof':88 'protocol':53 'provid':31,95 'publish':156 'quot':143 'rate':68 'readm':161 'receiv':90 'remain':204 'request':13,26,55 'requir':73 'resolv':164 'respons':93,153,183,197 'return':135,203 'schema':154 'secur':49 'servic':112 'shape':194 'simpli':76 'sit':129 'span':102 'spec':180 'specif':124 'subscript':72 'suit':42 'token':2,15,32,137,147 'token quotes' 'token-level':136 'unknown':205 'usdc':59 'usdc-settlement' 'util':111 'valid':85 'verifi':217 'via':6,19 'wallet':169 'wide':98 'within':130 'x':80 'x-payment':79 'x402':7,20,52,86 'x402 crypto API' 'x402-payment'","prices":[{"id":"476c33f1-6e1c-4c11-afae-ae4c60a6043e","listingId":"ed4b412c-0136-421d-80d0-378e4bddb5b2","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","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:39:10.533Z"}],"sources":[{"listingId":"ed4b412c-0136-421d-80d0-378e4bddb5b2","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/MNT","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:39:10.533Z","lastSeenAt":"2026-04-24T01:31:50.352Z"}],"details":{"listingId":"ed4b412c-0136-421d-80d0-378e4bddb5b2","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/MNT \\\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 402 with x402 challenge advertising $0.02 USDC on Base network","source_url":"https://lowpaymentfee.com/api/v1/tokens/MNT"},{"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":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/MNT"},{"claim":"maxAmountRequired is 20000 base units; USDC uses 6 decimals → $0.02","source_url":"https://lowpaymentfee.com/api/v1/tokens/MNT"}],"useCases":["Fetching current MNT (Mantle) token information on demand without managing API keys","Integrating low-cost crypto token lookups into autonomous agent workflows","Building dashboards or bots that need ad-hoc token data with per-request billing"],"bestFor":["Agents or scripts that need occasional MNT token data without subscription overhead","Developers prototyping crypto data integrations with minimal setup","x402-native workflows that already settle on Base in USDC"],"notFor":["High-frequency trading requiring sub-second latency guarantees (no SLA documented)","Users who need comprehensive historical token data or OHLCV candles (not documented)","Anyone unable to pay in USDC on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:39.665Z"},"updatedAt":"2026-04-24T01:31:50.352Z"}}