{"id":"1ddf24f9-8ef1-477f-bb53-0fde07688cf7","shortId":"9DaKat","kind":"x402","title":"AI-analyzed overnight crypto token movers via pay-per-call x402 protocol","tagline":"AI-analyzed overnight crypto token movers via pay-per-call x402 protocol","description":"Naiko's `/alpha/overnight` endpoint returns tokens that moved significantly during off-hours (midnight to 8 AM UTC) along with AI-generated analysis explaining what happened while you slept. It is a pay-per-call API using the x402 protocol, settling payments in USDC on Base (EIP-155 chain 8453).\n\nEach call costs $0.01 (10,000 base units of USDC with 6 decimals). The endpoint supports gas-sponsored transactions, smart wallet compatibility, ERC-4337 account abstraction, and uses the Permit2 asset transfer method. The response is served as `application/json`.\n\nDocumentation beyond the x402 challenge and the landing page is sparse — there is no OpenAPI spec, no dedicated docs page, and no detailed schema for the response payload. The endpoint is live and returns a well-formed x402 version 2 challenge on unauthenticated GET requests. Additional endpoints may be discoverable via the `/health/endpoints` and `/.well-known/x402` discovery paths listed on the landing page.","tags":[],"capabilities":["overnight-token-movers","ai-generated-analysis","x402-payment","usdc-base-settlement","gas-sponsored","smart-wallet-supported","erc4337","permit2-transfer","pay-per-call"],"categories":["crypto","llm","search"],"synonyms":["overnight crypto movers","off-hours token analysis","crypto overnight report","token price movement overnight","sleeping crypto alerts","naiko alpha","x402 crypto API"],"warnings":["No OpenAPI or response schema available — response structure is unknown","No documentation pages found (/docs, /api, /pricing, /README all return 404)","Response payload fields and structure must be discovered empirically"],"endpointUrl":"https://x402.naiko.io/alpha/overnight","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0xB836A641DAe76424861F7f1FCb37c1295E44E329","amount":"10000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}]},"qualityScore":"0.450","qualityRationale":"The endpoint is live and returns a well-formed x402 v2 challenge with clear pricing and a useful resource description. However, there is no OpenAPI spec, no response schema, no example responses, and no documentation pages — all return 404. Most details are inferred from the challenge payload 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'-4337':105 '/.well-known/x402':176 '/alpha/overnight':31 '/health/endpoints':174 '0.01':84 '000':86 '10':85 '2':161 '6':92 '8':44 '8453':80 'abstract':107 'account':106 'addit':167 'ai':2,16,50 'ai-analyz':1,15 'ai-gener':49 'ai-generated-analysis' 'along':47 'analysi':52 'analyz':3,17 'api':66 'application/json':120 'asset':112 'base':76,87 'beyond':122 'call':12,26,65,82 'chain':79 'challeng':125,162 'compat':103 'cost':83 'crypto':5,19 'crypto overnight report' 'decim':93 'dedic':138 'detail':143 'discover':171 'discoveri':177 'doc':139 'document':121 'eip':77 'endpoint':32,95,150,168 'erc':104 'erc4337' 'explain':53 'form':158 'gas':98 'gas-sponsor':97 'gas-sponsored' 'generat':51 'get':165 'happen':55 'hour':41 'land':128,182 'list':179 'live':152 'may':169 'method':114 'midnight':42 'move':36 'mover':7,21 'naiko':29 'naiko alpha' 'off-hour':39 'off-hours token analysis' 'openapi':135 'overnight':4,18 'overnight crypto movers' 'overnight-token-movers' 'page':129,140,183 'path':178 'pay':10,24,63 'pay-per-cal':9,23,62 'pay-per-call' 'payload':148 'payment':72 'per':11,25,64 'permit2':111 'permit2-transfer' 'protocol':14,28,70 'request':166 'respons':116,147 'return':33,154 'schema':144 'serv':118 'settl':71 'signific':37 'sleeping crypto alerts' 'slept':58 'smart':101 'smart-wallet-supported' 'spars':131 'spec':136 'sponsor':99 'support':96 'token':6,20,34 'token price movement overnight' 'transact':100 'transfer':113 'unauthent':164 'unit':88 'usdc':74,90 'usdc-base-settlement' 'use':67,109 'utc':46 'version':160 'via':8,22,172 'wallet':102 'well':157 'well-form':156 'x402':13,27,69,124,159 'x402 crypto API' 'x402-payment'","prices":[{"id":"d7082a8d-f2ec-4061-a78c-0372136d7d02","listingId":"1ddf24f9-8ef1-477f-bb53-0fde07688cf7","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":"10000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:34.256Z"}],"sources":[{"listingId":"1ddf24f9-8ef1-477f-bb53-0fde07688cf7","source":"x402_bazaar","sourceId":"https://x402.naiko.io/alpha/overnight","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:34.256Z","lastSeenAt":"2026-04-22T04:02:49.612Z"}],"details":{"listingId":"1ddf24f9-8ef1-477f-bb53-0fde07688cf7","quickStartSnippet":"curl -X GET https://x402.naiko.io/alpha/overnight\n# Returns 402 with x402 challenge. Pay $0.01 USDC on Base to access.\n# Use an x402-compatible client to attach payment automatically.","exampleRequest":null,"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns tokens that moved significantly during off-hours (midnight to 8am UTC) with AI-generated analysis","source_url":"https://x402.naiko.io/alpha/overnight"},{"claim":"Price is 10,000 base units of USDC (6 decimals) = $0.01 per call on Base (eip155:8453)","source_url":"https://x402.naiko.io/alpha/overnight"},{"claim":"Supports gas-sponsored transactions, smart wallets, ERC-4337, and Permit2 transfer method","source_url":"https://x402.naiko.io/alpha/overnight"},{"claim":"Naiko describes itself as pay-per-call crypto intelligence powered by x402 protocol","source_url":"https://x402.naiko.io"}],"useCases":["Morning briefing on significant overnight crypto token movements","Automated trading bot input for tokens that moved while markets were quiet","Portfolio monitoring: detect overnight price swings with AI context","Research dashboard aggregating off-hours crypto activity"],"bestFor":["Crypto traders wanting a quick overnight market summary","Agents that need structured overnight token movement data","Developers building morning-briefing dashboards for crypto portfolios"],"notFor":["Real-time or intraday price feeds — this covers midnight-to-8am UTC only","Users without a Base-compatible USDC wallet for x402 payments"],"kindDetails":{},"updatedAt":"2026-04-22T01:04:47.757Z"}}