{"uid":"cap_Im3sMxOJJtO_1aAFvZyLc","slug":"northline-crypto-prices-api-c7b00490","name":"Northline Crypto Prices API","description":"Pay-per-call APIs, paid downloads and work-on-request for agents. Payment: x402 (USDC on Base, eip155:8453), no accounts or API keys. Catalog: https://206-81-14-131.sslip.io/?format=json. Agent guide: https://206-81-14-131.sslip.io/llms.txt","url":"https://206-81-14-131.sslip.io/svc/crypto-prices/prices?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_FbcFuD9sepiymjP7ADvND","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current cryptocurrency prices via a pay-per-call API using x402 micropayments (USDC on Base), no account or API key required.","exampleAgentPrompt":"Can you grab the current prices for Bitcoin and Ethereum right now — no API key, just pay per call using USDC on Base?","exampleUseCases":[{"title":"Live portfolio valuation for a DeFi agent","prompt":"What are the current prices of BTC, ETH, and SOL so I can calculate my portfolio value right now?"},{"title":"Crypto price alert trigger","prompt":"Check the current price of Bitcoin and tell me if it's above $70,000."},{"title":"On-demand price feed for a trading bot","prompt":"Fetch the latest crypto prices for the assets I'm watching — BTC, ETH, and MATIC — using a micropayment, no API key needed."}],"resultDescription":"Returns current price data for one or more cryptocurrencies, likely including symbol, price in USD, and possibly timestamp or metadata. Response is delivered immediately after a $0.003 USDC micropayment via x402 on Base (eip155:8453).","failureModes":["Payment not received or insufficient USDC balance — endpoint returns HTTP 402","Unsupported cryptocurrency symbol — may return empty or error response","Network issues with Base blockchain payment settlement causing request delay or failure","Requested asset not in price catalog — returns no data or error"],"whenToPreferThis":"Choose this endpoint when you need crypto price data without registering for an account or managing API keys, and you can pay per call using USDC on Base via the x402 protocol. Ideal for agents that make infrequent or unpredictable price lookups and want to avoid subscription costs. Prefer this over traditional data providers when operating in a Web3/crypto-native context where micropayments are acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T02:37:49.987Z","isFirstParty":false,"canonicalSlug":"northline-crypto-prices-api-c7b00490"}