{"uid":"cap_IfhUzLEu9n6le5goXTXT9","slug":"quantaflow-x402-api-gateway-alchemy-tempo-mainnet-1688de3e","name":"QuantaFlow x402 API Gateway — Alchemy Tempo Mainnet","description":"Every request, a quantum of value. x402 protocol-based payment endpoint for web3/DeFi tools.","url":"https://quanta-roan.vercel.app/api/service/alchemy-tempo-mainnet?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"body":{"type":"string","description":"Optional JSON body forwarded to POST requests."},"path":{"type":"string","description":"Path below the selected upstream origin."},"query":{"type":"object"},"method":{"enum":["GET","POST"],"type":"string"}}},"responseSchema":{"description":"The upstream response body and content type are passed through after successful payment."},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_QTq9RwyVY8R9jGXtxwYbd","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Proxies paid API requests to the Alchemy Tempo mainnet endpoint using the x402 micropayment protocol, deducting $0.01 USDC per call.","exampleAgentPrompt":"Can you fetch the latest Ethereum mainnet block number from Alchemy Tempo by forwarding a JSON-RPC eth_blockNumber request to the /eth-mainnet path, paying $0.01 USDC per call?","exampleUseCases":[{"title":"Live Ethereum balance lookup","prompt":"Look up the current ETH balance for wallet address 0xABC...123 on Ethereum mainnet using Alchemy Tempo — forward a JSON-RPC eth_getBalance call to the mainnet path and pay the per-call fee."},{"title":"DeFi transaction receipt retrieval","prompt":"Grab the transaction receipt for tx hash 0xDEF...456 on Ethereum mainnet via Alchemy Tempo — send the eth_getTransactionReceipt request to the mainnet path and charge me the micropayment."},{"title":"Latest block data for on-chain monitor","prompt":"Pull the full latest block with transactions from Ethereum mainnet through Alchemy Tempo — forward eth_getBlockByNumber with 'latest' to the mainnet path and use the x402 micropayment for billing."}],"resultDescription":"The raw upstream response from Alchemy Tempo mainnet is passed through — typically a JSON-RPC result object containing the requested on-chain data (block info, balances, transaction receipts, logs, etc.) along with the original content type.","failureModes":["Insufficient USDC balance or missing x402 payment header causes 402 Payment Required","Invalid or malformed path/method results in upstream 400 or 404 from Alchemy","Alchemy Tempo mainnet rate limit or downtime returns 503 or 500 pass-through","Malformed JSON body causes upstream parse error","Network timeout on Vercel edge layer returns 504"],"whenToPreferThis":"Choose this endpoint when you need on-demand, pay-per-call access to the Alchemy Tempo Ethereum mainnet API without committing to a subscription — ideal for low-frequency or bursty agent workflows that query on-chain data and want per-request USDC billing via the x402 protocol rather than managing API keys.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T00:46:58.964Z","isFirstParty":false,"canonicalSlug":"quantaflow-x402-api-gateway-alchemy-tempo-mainnet-1688de3e"}