{"uid":"cap_Vann63E6qloMDCkmCPfVH","slug":"chainray-online-a3a0f3f6","name":"ChainRay Gas Tracker","description":"Provides real-time gas price estimates and transaction speed recommendations for EVM chains (use 'chain' query, e.g., 'base').","url":"https://chainray.online/gas-tracker","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"],"type":"string"},"queryParams":{"type":"object","properties":{"chain":{"type":"string","description":"Blockchain network (e.g., base, ethereum, polygon)"}}}},"additionalProperties":false}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"chain":"ethereum"}}},"response":{"chain":"ethereum","trend":"decreasing","_proof":{"chain":"ethereum","dataHash":"46a95518861312942421db9853e720bf8a1f59b0caac51d949eb7e413d354d08","blockHash":"0x8699e575fad59523076ee714925cf5f86a9a3fcc449be127c200abfc224a9f4f","chainName":"Ethereum","blockNumber":25306098,"proofVersion":"3.0","blockTimestamp":1781324087,"proofTimestamp":1781324099455},"current":{"fast":0.1856,"slow":0.1085,"unit":"gwei","baseFee":0.1148,"standard":0.1276},"history":[{"block":null,"baseFeeGwei":0.14,"utilization":"91.98%"},{"block":null,"baseFeeGwei":0.1292,"utilization":"83.43%"},{"block":null,"baseFeeGwei":0.118,"utilization":"87.69%"},{"block":null,"baseFeeGwei":0.1127,"utilization":"68.92%"},{"block":null,"baseFeeGwei":0.1139,"utilization":"45.68%"},{"block":null,"baseFeeGwei":0.111,"utilization":"60.6%"},{"block":null,"baseFeeGwei":0.1165,"utilization":"31.14%"},{"block":null,"baseFeeGwei":0.1201,"utilization":"38.13%"},{"block":null,"baseFeeGwei":0.1085,"utilization":"92.61%"},{"block":null,"baseFeeGwei":0.1148,"utilization":"28.06%"}],"network":{"avgUtilization":"55.73%","blocksAnalyzed":15,"latestBlockNumber":25306096},"timestamp":1781324080133,"prediction1h":{"note":"Simple linear extrapolation","confidence":"low","estimatedBaseFee":0.0921},"trendChangePercent":-19.78}},"exampleRequest":{"chain":"ethereum"},"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_06Kz8QrKxmqh08gghy_sx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time gas price estimates (slow, standard, fast in gwei), base fee, gas trend, and block-level utilization history for a specified EVM-compatible blockchain.","exampleAgentPrompt":"What are the current gas prices on Base — slow, standard, and fast — and is the fee trend stable or rising right now?","exampleUseCases":null,"resultDescription":"Returns a JSON object with the queried chain name, current gas prices (slow, standard, fast in gwei), base fee, gas trend (e.g. 'stable'), a cryptographic proof anchored to a recent block (block number, block hash, timestamp), and a history array of recent blocks with their base fee and network utilization percentage.","failureModes":["Unsupported chain name returns an error or empty response","Missing 'chain' query parameter may default to 'base' or return a validation error","Network latency may cause slightly stale block data","Chain node outage could return a 503 or timeout","Malformed chain identifier (e.g. typo) returns no data"],"whenToPreferThis":"Use this endpoint when an agent needs real-time gas fee data for EVM chains, especially Base, Ethereum, or Polygon, to help a user decide when to submit a transaction, estimate costs, or set gas limits. It is particularly useful for DeFi automation agents, wallet assistants, or transaction schedulers that need up-to-date fee intelligence with cryptographic block-level proof.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:50:08.081Z","isFirstParty":false}