{"id":"e69d2d1c-0b69-4e5d-b1e4-389fccad6b16","shortId":"QXXsXV","kind":"x402","title":"Live ticker momentum statistics (mention counts, velocity, acceleration, lifecycle stage) via x402 micropayment.","tagline":"Live ticker momentum statistics (mention counts, velocity, acceleration, lifecycle stage) via x402 micropayment.","description":"Naiko x402 API exposes a pay-per-call endpoint at `/data/momentum` that returns live ticker statistics including mention counts, velocity (mentions per minute), acceleration, and lifecycle-stage classification. The endpoint is gated by the x402 protocol (version 2) and settles payments in USDC on Base (EIP-155 chain 8453). Each call costs 5,000 base units of USDC, which equals $0.005 (half a cent) per request. Gas is sponsored, smart-wallet and ERC-4337 deployments are supported, and the transfer method is Permit2.\n\nThe response MIME type is `application/json`. Based on the resource description, the returned payload likely includes fields such as a ticker identifier, raw mention count, velocity (mentions/minute), acceleration (rate of change of velocity), and a lifecycle-stage label (e.g., emerging, trending, declining). No formal OpenAPI schema or detailed documentation was found — the `/docs`, `/api`, `/pricing`, and `/README` paths all return 404.\n\nNaiko brands itself as \"pay-per-call crypto intelligence powered by x402 protocol.\" Additional endpoints may be discoverable via the `.well-known/x402` and `/health/endpoints` paths listed on the landing page, but only the `/data/momentum` endpoint was probed here.","tags":[],"capabilities":["ticker-momentum","mention-velocity","mention-acceleration","lifecycle-stage-classification","x402-micropayment","usdc-base-settlement","gas-sponsored","permit2-transfer","smart-wallet-support","erc4337"],"categories":["crypto-intelligence","social-analytics","search"],"synonyms":["crypto momentum","ticker mentions","social velocity","mention tracking","crypto social signals","ticker lifecycle","naiko api","x402 crypto data"],"warnings":["No OpenAPI or formal documentation available — /docs, /api, /pricing, /README all return 404.","Response schema is inferred from the x402 resource description; actual fields may differ.","Only one endpoint (/data/momentum) was probed; other Naiko endpoints were not evaluated."],"endpointUrl":"https://x402.naiko.io/data/momentum","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0xB836A641DAe76424861F7f1FCb37c1295E44E329","amount":"5000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}]},"qualityScore":"0.400","qualityRationale":"The x402 challenge is live and well-formed, providing clear pricing and settlement details. However, no OpenAPI schema, formal documentation, or example responses were found (all doc paths return 404). The response structure is inferred entirely from the resource description string in the 402 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'-4337':103 '/api':167 '/data/momentum':38,211 '/docs':166 '/health/endpoints':201 '/pricing':168 '/readme':170 '/x402':199 '0.005':89 '000':82 '2':66 '404':174 '5':81 '8453':77 'acceler':8,21,51,140 'addit':189 'api':29 'application/json':118 'base':73,83,119 'brand':176 'call':35,79,182 'cent':92 'chain':76 'chang':143 'classif':56 'cost':80 'count':6,19,46,137 'crypto':183 'crypto momentum' 'crypto social signals' 'declin':155 'deploy':104 'descript':123 'detail':161 'discover':193 'document':162 'e.g':152 'eip':74 'emerg':153 'endpoint':36,58,190,212 'equal':88 'erc':102 'erc4337' 'expos':30 'field':129 'formal':157 'found':164 'gas':95 'gas-sponsored' 'gate':60 'half':90 'identifi':134 'includ':44,128 'intellig':184 'known':198 'label':151 'land':206 'lifecycl':9,22,54,149 'lifecycle-stag':53,148 'lifecycle-stage-classification' 'like':127 'list':203 'live':1,14,41 'may':191 'mention':5,18,45,48,136 'mention tracking' 'mention-acceleration' 'mention-velocity' 'mentions/minute':139 'method':110 'micropay':13,26 'mime':115 'minut':50 'momentum':3,16 'naiko':27,175 'naiko api' 'openapi':158 'page':207 'path':171,202 'pay':33,180 'pay-per-cal':32,179 'payload':126 'payment':69 'per':34,49,93,181 'permit2':112 'permit2-transfer' 'power':185 'probe':214 'protocol':64,188 'rate':141 'raw':135 'request':94 'resourc':122 'respons':114 'return':40,125,173 'schema':159 'settl':68 'smart':99 'smart-wallet':98 'smart-wallet-support' 'social velocity' 'sponsor':97 'stage':10,23,55,150 'statist':4,17,43 'support':106 'ticker':2,15,42,133 'ticker lifecycle' 'ticker mentions' 'ticker-momentum' 'transfer':109 'trend':154 'type':116 'unit':84 'usdc':71,86 'usdc-base-settlement' 'veloc':7,20,47,138,145 'version':65 'via':11,24,194 'wallet':100 'well':197 'well-known':196 'x402':12,25,28,63,187 'x402 crypto data' 'x402-micropayment'","prices":[{"id":"f5e323b3-c18d-4637-93cb-c7e73a86b66f","listingId":"e69d2d1c-0b69-4e5d-b1e4-389fccad6b16","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":null,"chain":"base","payTo":"0xB836A641DAe76424861F7f1FCb37c1295E44E329","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0xB836A641DAe76424861F7f1FCb37c1295E44E329","amount":"5000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:33.615Z"}],"sources":[{"listingId":"e69d2d1c-0b69-4e5d-b1e4-389fccad6b16","source":"x402_bazaar","sourceId":"https://x402.naiko.io/data/momentum","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:33.615Z","lastSeenAt":"2026-04-22T10:33:08.496Z"}],"details":{"listingId":"e69d2d1c-0b69-4e5d-b1e4-389fccad6b16","quickStartSnippet":"curl -X GET https://x402.naiko.io/data/momentum \\\n  -H \"X-402-Payment: <signed_x402_payment>\"","exampleRequest":null,"exampleResponse":{"ticker":"BTC","mentions":4523,"velocity":12.7,"acceleration":0.34,"lifecycleStage":"trending"},"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns live ticker statistics including mention counts, velocity, acceleration, and lifecycle stage classification.","source_url":"https://x402.naiko.io/data/momentum"},{"claim":"Payment is 5000 base units of USDC on Base (chain 8453), gas sponsored, Permit2 transfer, smart-wallet and ERC-4337 supported.","source_url":"https://x402.naiko.io/data/momentum"},{"claim":"Naiko describes itself as pay-per-call crypto intelligence powered by x402 protocol.","source_url":"https://x402.naiko.io"}],"useCases":["Detecting emerging crypto tickers by monitoring mention acceleration","Filtering trending tokens by lifecycle stage before executing trades","Building dashboards that visualize real-time social momentum for crypto assets","Feeding mention velocity data into algorithmic trading strategies","Alerting on sudden spikes in ticker mention counts"],"bestFor":["Crypto traders needing real-time social momentum signals","Algorithmic trading bots that consume pay-per-call data feeds","Analysts tracking lifecycle stages of crypto token buzz"],"notFor":["Historical or archival social-media data retrieval (endpoint appears to serve live/current data only)","Non-crypto or general stock-market ticker analysis","Users without a Base-compatible USDC wallet"],"kindDetails":{},"updatedAt":"2026-04-22T00:49:53.689Z"}}