{"uid":"cap_J6fTlb4VvsTxoIBoAxAap","slug":"crypto-market-pulse-base-usdc-stats-hash-utility-4bd2df2e","name":"Crypto Market Pulse & Base USDC Stats – Hash Utility","description":"Pay-per-call API for AI agents, settled in USDC on Base mainnet (eip155:8453) via the x402 protocol - no API keys, no signup, no subscription. Live crypto market data: BTC, ETH, SOL, USDC (USD Coin) prices with 24h change (source: OKX), Base mainnet chain snapshot (block height, gas price gwei), real-time USDC-on-Base transfer analytics (transfer count, volume, unique senders and recipients over recent blocks), and USDC/ETH wallet balances plus nonce for any address. Agent utility tools: deterministic JSON repair for LLM output (strip code fences, fix trailing commas, single quotes, unquoted keys, balance braces), DNS A/AAAA lookup, and URL extraction from arbitrary text. Every endpoint returns HTTP 402 with an x402 payment challenge in USDC on Base; pay with any wallet and retry with the PAYMENT-SIGNATURE header. MCP server at /mcp (streamable HTTP, 6 pay-per-call tools). Ideal for crypto portfolios, DeFi dashboards, market analysis agents, data pipelines, and LLM post-processing.","url":"https://cryptopulse.pythonanywhere.com/util/hash","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"chain":{"chainId":8453,"network":"base-mainnet","blockHeight":21000000,"gasPriceGwei":0.05},"market":{"solana":{"usd":150,"usd_24h_change":-0.5},"bitcoin":{"usd":60000,"usd_24h_change":1.5},"ethereum":{"usd":3000,"usd_24h_change":2},"usd-coin":{"usd":1,"usd_24h_change":0}},"servedAt":1755430000}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0005","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":"$0.0005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_uynJIfUZYY7B5CxYjKDSn","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Provides a hashing utility endpoint as part of a pay-per-call suite offering live crypto prices, Base chain stats, and USDC analytics, paid via x402 on Base mainnet","exampleAgentPrompt":"What are the current prices for BTC, ETH, and SOL with their 24-hour changes, and what's the latest Base mainnet block height and gas price?","exampleUseCases":[{"title":"Crypto portfolio dashboard refresh","prompt":"Pull the latest prices for Bitcoin, Ethereum, Solana, and USDC right now, including their 24-hour percent changes, so I can update my portfolio dashboard."},{"title":"Base network gas monitoring","prompt":"What's the current gas price on Base mainnet and what block are we on? I need to decide whether to submit a transaction now."},{"title":"DeFi market analysis snapshot","prompt":"Give me a full crypto market snapshot — BTC, ETH, SOL prices with 24h changes, plus the current Base chain stats — I'm building a report for my DeFi strategy."}],"resultDescription":"Returns a JSON object with a market section containing BTC, ETH, SOL, and USDC prices in USD with 24h change percentages (sourced from OKX), a chain section with Base mainnet block height and gas price in gwei, and a servedAt Unix timestamp. Endpoint requires x402 micropayment of $0.0005 USDC on Base before data is served.","failureModes":["HTTP 402 returned if x402 payment challenge is not satisfied — agent must pay and retry with PAYMENT-SIGNATURE header","Invalid or missing properties parameter may return empty or error response","Market data may be stale if OKX upstream is delayed","Base RPC node unavailability could cause chain stats to fail","Malformed payment signature results in rejected request"],"whenToPreferThis":"Choose this endpoint when you need real-time crypto market prices (BTC, ETH, SOL, USDC) combined with Base mainnet chain stats in a single call, with no API key or subscription required — ideal for AI agents that can pay micropayments via x402/USDC on Base. Prefer over traditional APIs when you want pay-per-use pricing with no signup overhead and need Base-native USDC analytics alongside market data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:44:06.289Z","isFirstParty":false}