{"uid":"cap_i3JptFDnDv2LedHfQBQ4J","slug":"tripguard-fare-intelligence-base-gas-price-feed-5da05a26","name":"TripGuard Fare Intelligence – Base Gas Price Feed","description":"Real-time airfare intelligence for AI travel-booking agents: flight price-drop prediction, fare-fraud and deal-legitimacy verification, and verified booking links for any route and date. Pay-per-call in USDC on Base. No API key.","url":"https://tripguard-fare-intel.onrender.com/chain/gas?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["type","bodyType","body","method"],"properties":{"body":{"type":"object","properties":{},"additionalProperties":false},"type":{"const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json"]}}},"output":{"type":"object","required":["type","example"],"properties":{"type":{"const":"json"},"example":{"type":"object","required":["gasPriceWei","gasPriceGwei"],"properties":{"baseFeeWei":{"type":"string"},"baseFeeGwei":{"type":"string"},"blockNumber":{"type":"integer"},"gasPriceWei":{"type":"string"},"gasPriceGwei":{"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"baseFeeWei":"4000000","baseFeeGwei":"0.004","blockNumber":50656854,"gasPriceWei":"5000000","gasPriceGwei":"0.005"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.12","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":"$0.12/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.12","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.12","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_jG9wE35OO9YKVFnJ1xapA","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.12","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current Base blockchain gas price (in Wei and Gwei) and latest block number, used to estimate transaction costs for x402 pay-per-call payments.","exampleAgentPrompt":"What's the current gas price on the Base blockchain right now — give me both the Wei and Gwei values and the latest block number so I can estimate my transaction cost.","exampleUseCases":[{"title":"Estimate x402 payment transaction cost","prompt":"Before I make a pay-per-call API request on Base, can you check the current gas price in Gwei so I know roughly what the transaction fee will be?"},{"title":"Monitor Base network congestion","prompt":"Is Base gas cheap right now? Fetch the current gas price in Wei and Gwei and tell me if it's a good time to submit a transaction."},{"title":"Get latest Base block number","prompt":"What's the most recent block number on the Base chain, and what's the current base fee in Gwei?"}],"resultDescription":"Returns a JSON object containing the current Base blockchain gas price in Wei (gasPriceWei) and Gwei (gasPriceGwei), the base fee in Wei (baseFeeWei) and Gwei (baseFeeGwei), and the latest block number (blockNumber). Example: gasPriceGwei=0.005, blockNumber=50656854.","failureModes":["Service unavailable if the Render.com deployment is sleeping or cold-starting (503)","Base RPC node unavailable or rate-limited, returning stale or missing data","Empty body required — any unexpected body content may cause a 400 error","Network timeout if Base chain is experiencing congestion or RPC delays"],"whenToPreferThis":"Use this endpoint when you need real-time Base blockchain gas price data to estimate the cost of on-chain transactions, particularly for x402 pay-per-call micropayment flows. Prefer this over static estimates or manual lookups when your agent needs up-to-date fee data before submitting a Base transaction.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:38:58.454Z","isFirstParty":false,"canonicalSlug":"tripguard-fare-intelligence-base-gas-price-feed-5da05a26"}