{"uid":"cap_Jg6Fjqgzwm21iydr5lQ-e","slug":"phantom-api-superseed-rpc-endpoint-7355169c","name":"Phantom API — Superseed RPC Endpoint","description":"Lightning-fast access to blockchain data, smart contract insights, and Web3 infrastructure across 57+ networks. Pay-per-call via x402.","url":"https://phantom-api-omega.vercel.app/api/superseed/rpc","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_YQ52jRrnxQjrKkKo2bGpE","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 a pay-per-call JSON-RPC interface to the Superseed blockchain network, enabling agents to query on-chain data and interact with smart contracts.","exampleAgentPrompt":"What's the current block number on the Superseed network? Use eth_blockNumber to check it.","exampleUseCases":[{"title":"Check wallet balance on Superseed","prompt":"Can you check the ETH balance of wallet address 0xAbC123... on the Superseed network right now?"},{"title":"Read smart contract state","prompt":"Call the balanceOf function on the Superseed ERC-20 token contract at 0xDef456... for my address 0xAbC123... and tell me how many tokens I hold."},{"title":"Fetch latest transaction receipt","prompt":"I just sent a transaction on Superseed with hash 0x789xyz... — can you pull the receipt and tell me if it confirmed successfully?"}],"resultDescription":"Returns a standard JSON-RPC response object containing the result of the requested blockchain method call — such as block numbers, account balances, transaction receipts, smart contract return values, or gas estimates — specific to the Superseed network.","failureModes":["Invalid or unsupported RPC method name returns a JSON-RPC error response","Malformed params array causes a parsing or invalid-params error","Payment not included or insufficient USDC causes a 402 Payment Required response","Network congestion or node unavailability may cause timeout or 503 errors","Querying a non-existent contract address returns null or empty result"],"whenToPreferThis":"Choose this endpoint when you specifically need to interact with the Superseed Layer 2 network via standard Ethereum JSON-RPC calls and want pay-per-call pricing without a subscription. Ideal for agents that need lightweight, on-demand access to Superseed blockchain state without managing their own node infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:50:42.212Z","isFirstParty":false}