{"uid":"cap_jv6QK3v9hjXBGvs8vnXoU","slug":"synapse-api-soneium-rpc-endpoint-09d53bf2","name":"Synapse API — Soneium RPC Endpoint","description":"High-speed API suite for AI processing, web scraping, and smart data utilities across 57+ blockchain networks. Pay-per-call via x402.","url":"https://synapse-api-brown.vercel.app/api/soneium/rpc?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"method":{"type":"string"},"params":{"type":"array","items":{}}}},"responseSchema":null,"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_7rF7OSR5SxG35GEbhf8uT","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":"Provides JSON-RPC access to the Soneium blockchain network, enabling on-chain queries and transaction submission via pay-per-call x402 payments.","exampleAgentPrompt":"Can you check the current ETH balance of wallet address 0xAbC...123 on the Soneium network using eth_getBalance?","exampleUseCases":[{"title":"Check wallet balance on Soneium","prompt":"What's the current balance of wallet 0xAbC...123 on the Soneium blockchain? Use eth_getBalance and convert the result from wei to ETH for me."},{"title":"Fetch latest block from Soneium","prompt":"Get me the latest block from the Soneium network — I need the block number, timestamp, and transaction count."},{"title":"Call smart contract on Soneium","prompt":"I need to call the 'totalSupply' function on the ERC-20 contract at 0xDef...456 deployed on Soneium — can you make that eth_call for me?"}],"resultDescription":"Returns a standard JSON-RPC response object containing the result field with the requested on-chain data (balances, block info, transaction receipts, contract return values, etc.) or an error object if the call fails.","failureModes":["Invalid JSON-RPC method name returns error response","Malformed params array causes parse error","Payment failure (x402) blocks request","Network downtime on Soneium causes timeout","Unsupported RPC method returns method-not-found error","Rate limiting if too many calls in quick succession"],"whenToPreferThis":"Choose this endpoint when you specifically need to interact with the Soneium blockchain (Sony's L2 network) via standard Ethereum JSON-RPC, especially if you want pay-per-call pricing via x402 without a subscription. Prefer this over general Ethereum RPC endpoints when targeting Soneium-specific smart contracts or the Soneium ecosystem.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T06:45:51.696Z","isFirstParty":false,"canonicalSlug":"synapse-api-soneium-rpc-endpoint-09d53bf2"}