{"uid":"cap_Rs_lFDqc-P1VF-GJgcruX","slug":"hermes-x402-toolkit-base-chain-block-info-919c532a","name":"Hermes x402 Toolkit – Base Chain Block Info","description":"Pay-per-call data API for AI agents. No API key, no account, no signup — pay USDC on Base (eip155:8453) per request; free /api/meta lists all 22 endpoints. One call each: web page to LLM-ready text and link previews; China A-share quotes and limit-up pool; Chinese text and pinyin; Base/Ethereum on-chain reads (address, token, ERC-20 balances, tx, blocks, transfer history, gas price in USD); NFT records (collection, owner, and ipfs:// tokenURI resolved through public gateways); full-page screenshots; email verification without sending mail; ENS forward/reverse resolution; smart-contract due diligence (ABI, verified source, proxy); token security facts (owner, renounced ownership, paused, bytecode capability selectors); domain dossier (RDAP, DNS, TLS certificate, HTTP facts, hosting network).","url":"https://api.zlovev.com/api/chain/block","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"number":{"type":"string","description":"Block number (decimal or 0x hex), or 'latest' (default)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"ok":true,"number":51396188,"gas_used":8423132,"tx_count":142,"gas_limit":30000000,"timestamp":"2026-09-17T04:00:00Z","utilisation":0.2808,"base_fee_gwei":0.006}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rr7cdyFqjqi23V0IbuOaQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches block-level data (gas used, tx count, base fee, timestamp, utilization) for a given Base chain block number, paid per-call with USDC via x402.","exampleAgentPrompt":"What were the gas used, transaction count, base fee, and utilization for Base chain block 51396188?","exampleUseCases":[{"title":"Monitor latest Base block gas","prompt":"What does the latest Base chain block look like right now — how many transactions, how much gas was used, and what's the base fee in gwei?"},{"title":"Audit historical block timestamp","prompt":"Can you look up Base chain block number 51000000 and tell me its exact timestamp and how many transactions it contained?"},{"title":"Track gas utilization trend","prompt":"Fetch block 51396188 on Base for me and tell me the gas utilization percentage — I want to know how congested the network was at that point."}],"resultDescription":"A JSON object with ok status, block number (decimal), gas used, transaction count, gas limit, ISO 8601 timestamp, gas utilization ratio (0–1), and base fee in gwei for the requested Base chain block.","failureModes":["Invalid block number format returns an error or empty result","Block number beyond current chain tip returns not-found or error","Network or payment failure results in 402 or 5xx response","Hex block number without '0x' prefix may be rejected","'latest' keyword may have slight staleness due to node sync delay"],"whenToPreferThis":"Choose this endpoint when you need per-block on-chain data from the Base L2 network (gas, tx count, base fee, timestamp) without setting up an RPC node or API key account — especially useful for AI agents that can pay micro-amounts of USDC per call via x402 and need lightweight, structured block metadata on demand.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-18T06:48:16.823Z","isFirstParty":false}