{"uid":"cap_QCR-VfBEFvcyAfIZbNETm","slug":"postandshare-multi-chain-gas-price-reader-bdf0e1e5","name":"Postandshare Multi-Chain Gas Price Reader","description":"x402 pay-per-call data endpoints for AI agents: multi-chain reads (Base, Ethereum, Arbitrum, Polygon) and Nigerian reference data. Format/reference validation only — no personal data, no identity-database lookup.","url":"https://api.postandshare.net/v1/chain/gas?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"network":{"enum":["base","ethereum","arbitrum","polygon"],"type":"string","description":"Chain to read (default base)"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/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_3__WGi_DkjwQVwPWXSM6k","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current gas prices for a specified EVM-compatible blockchain network (Base, Ethereum, Arbitrum, or Polygon)","exampleAgentPrompt":"What are the current gas prices on the Ethereum network right now?","exampleUseCases":[{"title":"Pre-transaction gas cost check","prompt":"Before I submit this on-chain transaction, what are the current gas prices on Base so I can estimate my fees?"},{"title":"Cheapest chain selection for deployment","prompt":"I need to deploy a smart contract — can you check gas prices on Base, Ethereum, Arbitrum, and Polygon so I can pick the cheapest one right now?"},{"title":"Gas spike monitoring for DeFi bot","prompt":"Check the current gas price on Arbitrum and let me know if it's under 0.1 gwei so my trading bot knows whether to proceed."}],"resultDescription":"Returns current gas price data for the requested EVM network, likely including values such as base fee, priority fee, or gas price in gwei, enabling cost estimation for on-chain transactions.","failureModes":["Invalid or unsupported network enum value returns an error","Network RPC unavailability may cause timeout or stale data","Payment failure via x402 returns HTTP 402 before data is served","Missing network parameter defaults to Base but may surprise callers expecting explicit behavior"],"whenToPreferThis":"Choose this endpoint when you need real-time gas price data for one of the four supported EVM chains (Base, Ethereum, Arbitrum, Polygon) and want a simple pay-per-call model without API key management. Especially useful for agents that need on-demand gas estimates without committing to a subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T06:40:06.223Z","isFirstParty":false,"canonicalSlug":"postandshare-multi-chain-gas-price-reader-bdf0e1e5"}