{"uid":"cap_N00lWNefG0ZFBA1abceFK","slug":"quantaflow-x402-api-gateway-alchemy-celo-mainnet-4f33af68","name":"QuantaFlow x402 API Gateway — Alchemy Celo 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-celo-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_sBdNpL9DUZtY05o_kaFZV","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 requests to the Alchemy Celo Mainnet RPC/API through an x402 micropayment gateway, charging $0.01 USDC per call.","exampleAgentPrompt":"Query the Alchemy Celo Mainnet API for the latest block number — forward a GET to the /v2/{apiKey} path with the eth_blockNumber JSON-RPC method and pay the $0.01 USDC per-call fee via x402.","exampleUseCases":[{"title":"Check Celo account balance on-chain","prompt":"Look up the CELO token balance for wallet address 0xAbC...123 on Celo Mainnet using Alchemy — call eth_getBalance for that address at the latest block."},{"title":"Fetch recent Celo transaction history","prompt":"Pull the last 10 transactions sent from 0xDef...456 on Celo Mainnet via Alchemy's alchemy_getAssetTransfers endpoint so I can see recent activity."},{"title":"Read Celo smart contract state","prompt":"Call the Celo Mainnet contract at 0x789...abc using eth_call to read its totalSupply function — I need the current value from Alchemy's RPC."}],"resultDescription":"The raw upstream response body from Alchemy's Celo Mainnet API is passed through verbatim, along with the original content type header. The agent receives whatever JSON-RPC result, REST response, or error Alchemy returns for the forwarded request.","failureModes":["Insufficient USDC balance for x402 payment — gateway returns 402 Payment Required","Invalid or missing path parameter — upstream returns 400 Bad Request","Alchemy rate limit exceeded — upstream returns 429 Too Many Requests","Malformed JSON body — upstream or gateway returns 400 error","Celo Mainnet node unavailable — upstream returns 503 Service Unavailable","Invalid Alchemy API key embedded in path — returns 401 Unauthorized"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call access to Alchemy's Celo Mainnet APIs without managing a subscription or API key separately, and when your agent is equipped to handle x402 micropayments in USDC. It is ideal for low-frequency or bursty Celo blockchain queries where a flat subscription is wasteful.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:36:52.560Z","isFirstParty":false,"canonicalSlug":"quantaflow-x402-api-gateway-alchemy-celo-mainnet-4f33af68"}