{"uid":"cap_mcfSDZr5jKwGoQHjwrkNR","slug":"quantaflow-x402-api-gateway-alchemy-adi-mainnet-f7052aad","name":"QuantaFlow x402 API Gateway — Alchemy ADI 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-adi-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_1IpEA0syx7Fi_UHL_-P_-","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 POST requests to Alchemy's ADI mainnet blockchain data API via x402 micropayment protocol, charging $0.01 USDC per call","exampleAgentPrompt":"Fetch the current ETH balance and recent token transfers for wallet 0xABC...123 on Ethereum mainnet using the Alchemy ADI gateway — path '/v2/getTokenBalances' with the wallet address in the body.","exampleUseCases":[{"title":"Real-time DeFi wallet balance check","prompt":"Look up the current token balances for wallet 0xDEAD...BEEF on Ethereum mainnet using Alchemy ADI — I want to see all ERC-20 holdings without setting up an API key subscription."},{"title":"NFT ownership verification on mainnet","prompt":"Check whether wallet 0x1234...5678 owns any NFTs from contract 0xABCD...EF00 on Ethereum mainnet via the Alchemy ADI gateway and return the token IDs."},{"title":"On-chain transaction history lookup","prompt":"Pull the last 10 transactions for address 0x9999...1111 on Ethereum mainnet through the Alchemy pay-per-use gateway so I can audit recent activity without a monthly API plan."}],"resultDescription":"The raw upstream response from Alchemy's ADI mainnet API is passed through transparently, including the response body and content type — typically JSON containing blockchain data such as balances, transaction lists, NFT metadata, or contract state, exactly as Alchemy would return it.","failureModes":["Insufficient USDC balance — payment fails and request is rejected before forwarding","Invalid or malformed path causes Alchemy to return a 400 or 404 upstream","Alchemy API rate limits or downtime results in upstream 429 or 5xx passed through","Malformed JSON body causes parsing failure before forwarding","Missing required path parameter returns an error without a useful upstream response","x402 facilitator unavailability blocks payment settlement and prevents request forwarding"],"whenToPreferThis":"Choose this endpoint when you need pay-per-use access to Alchemy's ADI mainnet blockchain data without committing to a subscription or managing API keys — ideal for agents making infrequent or variable-volume on-chain lookups, or when integrating blockchain data queries into an x402-native micropayment workflow on Ethereum mainnet.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T01:46:17.415Z","isFirstParty":false,"canonicalSlug":"quantaflow-x402-api-gateway-alchemy-adi-mainnet-f7052aad"}