{"uid":"cap_1Uy__N8Ld8qQq-H7MvSiM","slug":"synapse-api-opbnb-rpc-endpoint-56607642","name":"Synapse API — opBNB 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/opbnb/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_bOWcVoEoDKYwl5ruEUjJg","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 opBNB blockchain network, enabling on-chain data queries and transaction submission via pay-per-call.","exampleAgentPrompt":"Call the opBNB RPC endpoint using eth_getBalance to check the balance of wallet address 0xAbC123... on the latest block.","exampleUseCases":[{"title":"Check wallet balance on opBNB","prompt":"What's the current ETH balance of address 0xDEADBEEF... on the opBNB network?"},{"title":"Fetch latest block number","prompt":"Get the latest block number from the opBNB blockchain right now."},{"title":"Submit signed transaction","prompt":"Broadcast this signed raw transaction to the opBNB network: 0xf86c..."}],"resultDescription":"Returns a standard JSON-RPC response object containing the result of the requested RPC method, such as account balance, block details, transaction receipts, or contract return values, depending on the method called.","failureModes":["Invalid RPC method name returns JSON-RPC error code -32601","Malformed params array causes parse error -32700","Network downtime or Vercel cold start may cause timeout","Unsupported opBNB-specific methods may return method not found","Payment failure via x402 protocol blocks request execution"],"whenToPreferThis":"Use this endpoint when you need pay-per-call, no-subscription access to the opBNB (BNB Layer 2) blockchain RPC without managing your own node. Prefer it over self-hosted nodes when cost-per-call economics are favorable and you need quick access to opBNB-specific chain data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T01:00:26.921Z","isFirstParty":false}