{"uid":"cap_4GzRK_0q-UyWUcypLz7Kj","slug":"quantaflow-x402-api-gateway-alchemy-ink-mainnet-13aace73","name":"QuantaFlow x402 API Gateway — Alchemy Ink 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-ink-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_SQgBfQxhlzV3-npeK0UOE","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 Ink mainnet endpoint using the x402 micropayment protocol, charging $0.01 USDC per call.","exampleAgentPrompt":"Use the QuantaFlow x402 gateway to query the Alchemy Ink mainnet — send a POST to the /v2/eth_blockNumber path and give me the latest block number, paying $0.01 USDC per call.","exampleUseCases":[{"title":"Fetch latest Ink mainnet block","prompt":"Query the Alchemy Ink mainnet through QuantaFlow and get me the latest block number — use the eth_blockNumber method via the x402 pay-per-call gateway."},{"title":"Check on-chain token balance","prompt":"I need to check the USDC token balance for wallet address 0xAbC123… on Ink mainnet — use the QuantaFlow Alchemy gateway to call eth_call with the balanceOf selector."},{"title":"Retrieve transaction receipt on Ink","prompt":"Look up the transaction receipt for tx hash 0xDef456… on Alchemy Ink mainnet via the QuantaFlow x402 gateway and tell me if it succeeded or failed."}],"resultDescription":"The raw response body and content type from the upstream Alchemy Ink mainnet API are passed through transparently after the $0.01 USDC x402 payment is settled. The agent receives whatever the upstream endpoint returns — e.g. JSON-RPC results, block data, transaction receipts.","failureModes":["Insufficient USDC balance or failed x402 payment results in a 402 Payment Required response","Invalid or malformed path/method results in upstream 4xx errors passed through","Alchemy Ink mainnet downtime or rate limiting causes 5xx upstream errors","Malformed JSON body causes upstream parsing errors","Unsupported RPC method on Ink mainnet returns upstream error payload"],"whenToPreferThis":"Choose this endpoint when you need pay-as-you-go access to Alchemy's Ink mainnet without a subscription API key, and your agent supports the x402 micropayment protocol. Ideal for low-frequency or cost-sensitive blockchain queries where committing to a paid Alchemy plan is unnecessary.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T18:51:17.303Z","isFirstParty":false,"canonicalSlug":"quantaflow-x402-api-gateway-alchemy-ink-mainnet-13aace73"}