{"id":"9dc66ee3-f4ca-4702-bb2d-ed3a6da125e7","shortId":"eYcdQe","kind":"x402","title":"FTM OHLCV candlestick data via x402 micropayment on Base, $0.02 per request.","tagline":"FTM OHLCV candlestick data via x402 micropayment on Base, $0.02 per request.","description":"This endpoint provides OHLCV (Open, High, Low, Close, Volume) candlestick data for the Fantom (FTM) cryptocurrency token. It is part of the lowpaymentfee.com platform, which offers a suite of pay-per-call APIs spanning crypto market data, analytics, AI/ML inference, and utility services — all gated via the x402 payment protocol on the Base network.\n\nThe endpoint accepts POST requests and returns JSON. Payment is settled in USDC on Base (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) at a cost of $0.02 per request (20,000 base units with 6 decimals). No API keys or accounts are required; callers simply attach an X-PAYMENT header with a valid x402 payment proof. The platform advertises no rate limits and instant access.\n\nDocumentation beyond the landing page is sparse — the /docs, /pricing, and /README pages all render only a \"Connect wallet\" prompt with no additional technical detail. There is no published OpenAPI schema, no request/response examples, and no description of accepted query parameters (e.g., time range, interval). The endpoint is confirmed live (returns a proper 402 challenge), but the lack of documentation means callers will need to experiment or inspect responses to understand the full request format and output structure.","tags":[],"capabilities":["crypto-ohlcv","ftm-market-data","x402-payment","usdc-base","pay-per-request","no-api-key"],"categories":["finance","crypto"],"synonyms":["FTM candlestick data","Fantom OHLCV","crypto price history","FTM price chart data","cryptocurrency candles","FTM market data API"],"warnings":["No documentation available — /docs, /pricing, /README all return only a 'Connect wallet' prompt with no technical content","No OpenAPI or JSON schema published; request parameters and response format are unknown","No example requests or responses available; callers must discover the API contract experimentally","The platform lists many diverse endpoints (AI, analytics, finance, utils) all at the same $0.02 price point — actual data quality and coverage are unverified"],"endpointUrl":"https://lowpaymentfee.com/api/v1/crypto/FTM/ohlcv","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/crypto/FTM/ohlcv","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 with a valid x402 402 challenge and clear pricing ($0.02 USDC on Base). However, there is no OpenAPI schema, no request/response examples, and no meaningful documentation — the docs pages all render only a wallet-connect prompt. The request body format and response structure are entirely 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'/pricing':150 '/readme':152 '0.02':10,22,101 '000':105 '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913':96 '20':104 '402':194 '6':109 'FTM candlestick data' 'FTM market data API' 'FTM price chart data' 'Fantom OHLCV' 'accept':82,179 'access':140 'account':115 'addit':163 'advertis':134 'ai/ml':64 'analyt':63 'api':58,112 'attach':120 'base':9,21,78,94,106 'beyond':142 'call':57 'caller':118,202 'candlestick':3,15,34 'challeng':195 'close':32 'confirm':189 'connect':158 'contract':95 'cost':99 'crypto':60 'crypto price history' 'crypto-ohlcv' 'cryptocurr':40 'cryptocurrency candles' 'data':4,16,35,62 'decim':110 'descript':177 'detail':165 'document':141,200 'e.g':182 'endpoint':26,81,187 'exampl':174 'experi':206 'fantom':38 'format':215 'ftm':1,13,39 'ftm-market-data' 'full':213 'gate':70 'header':125 'high':30 'infer':65 'inspect':208 'instant':139 'interv':185 'json':87 'key':113 'lack':198 'land':144 'limit':137 'live':190 'low':31 'lowpaymentfee.com':47 'market':61 'mean':201 'micropay':7,19 'need':204 'network':79 'no-api-key' 'offer':50 'ohlcv':2,14,28 'open':29 'openapi':170 'output':217 'page':145,153 'paramet':181 'part':44 'pay':55 'pay-per-cal':54 'pay-per-request' 'payment':74,88,124,130 'per':11,23,56,102 'platform':48,133 'post':83 'prompt':160 'proof':131 'proper':193 'protocol':75 'provid':27 'publish':169 'queri':180 'rang':184 'rate':136 'render':155 'request':12,24,84,103,214 'request/response':173 'requir':117 'respons':209 'return':86,191 'schema':171 'servic':68 'settl':90 'simpli':119 'span':59 'spars':147 'structur':218 'suit':52 'technic':164 'time':183 'token':41 'understand':211 'unit':107 'usdc':92 'usdc-base' 'util':67 'valid':128 'via':5,17,71 'volum':33 'wallet':159 'x':123 'x-payment':122 'x402':6,18,73,129 'x402-payment'","prices":[{"id":"7e7a09df-8443-49d9-ba92-d34d1330f0fd","listingId":"9dc66ee3-f4ca-4702-bb2d-ed3a6da125e7","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/crypto/FTM/ohlcv","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:36:52.286Z"}],"sources":[{"listingId":"9dc66ee3-f4ca-4702-bb2d-ed3a6da125e7","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/crypto/FTM/ohlcv","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:36:52.286Z","lastSeenAt":"2026-04-24T09:03:05.096Z"}],"details":{"listingId":"9dc66ee3-f4ca-4702-bb2d-ed3a6da125e7","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/crypto/FTM/ohlcv \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_proof>\" \\\n  -d '{}'","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns a 402 challenge with x402Version 1, accepting USDC on Base at maxAmountRequired 20000","source_url":"https://lowpaymentfee.com/api/v1/crypto/FTM/ohlcv"},{"claim":"USDC asset contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/crypto/FTM/ohlcv"},{"claim":"Platform advertises $0.02 per request, no API keys, no rate limits, instant access, Base network","source_url":"https://lowpaymentfee.com"},{"claim":"Platform offers crypto, finance, AI/ML, analytics, and utility API endpoints","source_url":"https://lowpaymentfee.com"}],"useCases":["Fetching historical FTM price candles for trading bots or backtesting","Displaying FTM OHLCV charts in a portfolio dashboard","Feeding FTM price data into quantitative analysis pipelines","Agent-driven crypto market monitoring without API key management"],"bestFor":["Developers needing quick, keyless access to FTM candlestick data","AI agents that can settle x402 micropayments on Base","Low-volume or sporadic crypto data queries where per-call pricing is economical"],"notFor":["High-frequency trading requiring sub-second latency and bulk historical downloads","Users who need comprehensive multi-asset OHLCV data from a single well-documented API","Anyone unable to settle USDC payments on the Base network"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:46.535Z"},"updatedAt":"2026-04-24T09:03:05.096Z"}}