{"uid":"cap_XJQl7L7BivAyHprrhEAXE","slug":"defi-shield-hazel-vercel-app-cacae77b","name":"Base Gas Price Alert & Transaction Cost Monitor","description":"","url":"https://defi-shield-hazel.vercel.app/api/monitor/gas-alert","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","bodyType","body","method"],"properties":{"body":{"properties":{"threshold_gwei":{"type":"number","description":"Gas price threshold in Gwei for alert (default: 50)"}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":{"request":{"gasLimit":21000,"threshold":50,"notifyEmail":"zero-qa@agentmail.to"},"response":{"timestamp":"2026-06-16T01:17:31.633Z","recommendation":"Gas prices are low. Good time for batch transactions and contract deployments.","threshold_gwei":50,"alert_triggered":false,"estimated_costs":{"dex_swap":{"cost_eth":8.3e-7,"cost_usd":0.0029,"cost_gwei":825,"gas_limit":150000},"erc20_transfer":{"cost_eth":3.6e-7,"cost_usd":0.0013,"cost_gwei":357.5,"gas_limit":65000},"simple_transfer":{"cost_eth":1.2e-7,"cost_usd":0.0004,"cost_gwei":115.5,"gas_limit":21000}},"current_gas_gwei":{"fast":0.0055,"slow":0.0055,"standard":0.0055},"response_time_ms":71,"is_above_threshold":false,"current_vs_threshold":{"delta":-49.994,"current":0.0055,"threshold":50,"percentage_of_threshold":0}}},"exampleRequest":{"gasLimit":21000,"threshold":50,"notifyEmail":"zero-qa@agentmail.to"},"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_jcREULRA2LJ7W-UroKzGr","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks current Base network gas prices against a user-defined threshold and returns transaction cost estimates with actionable recommendations","exampleAgentPrompt":"Check if Base gas prices are currently below 0.5 gwei and give me an estimate of what a standard ERC-20 transfer would cost right now, plus a recommendation on whether I should wait or proceed.","exampleUseCases":null,"resultDescription":"Returns the current Base gas price, whether it is above or below the specified threshold, estimated transaction costs in ETH and USD for the requested transaction type, and a recommendation on whether to proceed or wait for lower fees.","failureModes":["Base RPC node unavailable — returns error with no gas data","Invalid threshold value provided — returns validation error","Gas oracle data stale or unavailable — returns degraded estimate with warning","Network congestion causing timeout — may return partial data"],"whenToPreferThis":"Use this endpoint when an agent needs to make a real-time decision about submitting a transaction on Base and wants to compare current gas prices against a budget threshold, rather than just fetching raw gas data without context or recommendations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:51:47.673Z","isFirstParty":false}