{"id":"e2f37271-f358-4ae7-9547-2cc0e8e19583","shortId":"mQFv5p","kind":"x402","title":"Retrieve IMX token data via x402 micropayment on Base for $0.02 per request.","tagline":"Retrieve IMX token data via x402 micropayment on Base for $0.02 per request.","description":"This endpoint at lowpaymentfee.com provides token-level data for IMX (Immutable X) as part of a broader suite of finance, crypto, AI, and utility APIs. All endpoints on the platform are gated by the x402 payment protocol, settling in USDC on the Base network. The specific endpoint `/api/v1/tokens/IMX` sits within the Finance & Web3 category of the platform and likely returns token quote or metadata information for the IMX token.\n\nThe platform advertises a flat $0.02 per request across all its APIs, with no API keys, no rate limits, and no minimum commitments required. Payment is handled inline via the x402 protocol: callers attach a signed USDC payment in the `X-PAYMENT` header, and the endpoint processes the request upon verification. The x402 challenge confirms the endpoint is live, accepting payments to address `0x1A2B...85F3` in USDC (`0x8335...2913`) on Base mainnet, with a max amount of 20,000 base units (i.e., $0.02 given USDC's 6 decimals).\n\nDocumentation on the site is extremely sparse — the docs, API, pricing, and README pages all render only a \"Connect wallet\" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no detailed description of what the `/api/v1/tokens/IMX` endpoint actually returns. The endpoint accepts POST requests based on the outputSchema in the x402 challenge. Without sample responses or schema definitions, the exact structure of the returned data is unknown.","tags":[],"capabilities":["token-data","crypto-quotes","x402-payment","usdc-settlement","base-network","per-request-pricing","no-api-key"],"categories":["crypto","finance"],"synonyms":["IMX token data","Immutable X price","token quote API","crypto token info","x402 crypto API","micropayment API","Base USDC API"],"warnings":["No documentation available — docs, API, pricing, and README pages all show only 'Connect wallet' with no content.","No OpenAPI or JSON schema describing request parameters or response format.","No example responses available; the exact data returned for /api/v1/tokens/IMX is unverified.","The platform lists many endpoint categories (AI, analytics, finance, utils) but none have documented schemas — treat all with caution."],"endpointUrl":"https://lowpaymentfee.com/api/v1/tokens/IMX","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/IMX","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.350","qualityRationale":"The x402 challenge is live and pricing is clear ($0.02/request in USDC on Base). However, there is no OpenAPI schema, no request/response examples, and all documentation pages are empty beyond a wallet-connect prompt. The actual data returned by this endpoint is 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'0.02':11,24,102,180 '000':176 '0x1a2b':161 '0x8335':165 '20':175 '2913':166 '6':184 '85f3':162 'Base USDC API' 'IMX token data' 'Immutable X price' 'accept':157,232 'across':105 'actual':228 'address':160 'advertis':99 'ai':49 'amount':173 'api':52,108,111,195 'attach':130 'base':9,22,70,168,177,235 'base-network' 'broader':44 'caller':129 'categori':81 'challeng':151,242 'commit':119 'confirm':152 'connect':204 'content':210 'crypto':48 'crypto token info' 'crypto-quotes' 'data':4,17,35,255 'decim':185 'definit':248 'descript':222 'detail':221 'doc':194 'document':186 'endpoint':28,54,74,143,154,227,231 'exact':250 'exampl':218 'extrem':191 'financ':47,79 'flat':101 'gate':59 'given':181 'handl':123 'header':140 'i.e':179 'immut':38 'imx':2,15,37,95 'inform':92 'inlin':124 'key':112 'level':34 'like':86 'limit':115 'live':156 'lowpaymentfee.com':30 'mainnet':169 'max':172 'metadata':91 'micropay':7,20 'micropayment API' 'minimum':118 'network':71 'no-api-key' 'openapi':214 'outputschema':238 'page':199 'part':41 'payment':63,121,134,139,158 'per':12,25,103 'per-request-pricing' 'platform':57,84,98 'post':233 'price':196 'process':144 'prompt':206 'protocol':64,128 'provid':31 'quot':89 'rate':114 'readm':198 'render':201 'request':13,26,104,146,234 'request/response':217 'requir':120 'respons':245 'retriev':1,14 'return':87,229,254 'sampl':244 'schema':215,247 'settl':65 'sign':132 'sit':76 'site':189 'spars':192 'specif':73 'structur':251 'suit':45 'token':3,16,33,88,96 'token quote API' 'token-data' 'token-level':32 'unit':178 'unknown':257 'upon':147 'usdc':67,133,164,182 'usdc-settlement' 'util':51 'verif':148 'via':5,18,125 'wallet':205 'web3':80 'within':77 'without':243 'x':39,138 'x-payment':137 'x402':6,19,62,127,150,241 'x402 crypto API' 'x402-payment'","prices":[{"id":"ea16ea57-e4b2-452f-a6d8-42ca841b41ff","listingId":"e2f37271-f358-4ae7-9547-2cc0e8e19583","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/IMX","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:39:01.282Z"}],"sources":[{"listingId":"e2f37271-f358-4ae7-9547-2cc0e8e19583","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/tokens/IMX","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:39:01.282Z","lastSeenAt":"2026-04-24T04:03:17.473Z"}],"details":{"listingId":"e2f37271-f358-4ae7-9547-2cc0e8e19583","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/tokens/IMX \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <signed-x402-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Flat pricing of $0.02 per request across all APIs","source_url":"https://lowpaymentfee.com"},{"claim":"No API keys, no rate limits, instant access, Base network","source_url":"https://lowpaymentfee.com"},{"claim":"x402 challenge returns maxAmountRequired of 20000 base units in USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/IMX"},{"claim":"USDC asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base","source_url":"https://lowpaymentfee.com/api/v1/tokens/IMX"}],"useCases":["Fetching current IMX token data or quotes programmatically","Integrating pay-per-call token data into trading bots or dashboards","Agents autonomously purchasing crypto market data without API key registration","Lightweight token lookups without subscription commitments"],"bestFor":["Developers wanting zero-signup, pay-per-use crypto token data","AI agents that can settle x402 payments on Base","Low-volume or sporadic token data lookups where subscriptions are overkill"],"notFor":["High-frequency trading requiring sub-second latency and bulk data","Users who need comprehensive historical OHLCV data or deep order book info","Anyone without a Base-compatible USDC wallet for x402 payments"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:40.041Z"},"updatedAt":"2026-04-24T04:03:17.473Z"}}