{"uid":"cap_hZKJHDoY6KJxxRnqDfPKY","slug":"synapse-api-world-chain-rpc-endpoint-ae75dc0d","name":"Synapse API — World Chain 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/worldchain/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_NVayzdZCDGmsxgLQGt8b1","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 JSON-RPC gateway to the World Chain blockchain network, enabling read and write interactions with on-chain data.","exampleAgentPrompt":"Can you check the current ETH balance of wallet address 0xAbC123... on World Chain using the eth_getBalance RPC method?","exampleUseCases":[{"title":"Check on-chain wallet balance","prompt":"What is the current balance of wallet address 0x1234abcd... on the World Chain network? Use eth_getBalance with the latest block."},{"title":"Broadcast signed transaction","prompt":"Submit this signed raw transaction to World Chain so it gets included on-chain: 0xf86c...signedTxHex"},{"title":"Read smart contract state","prompt":"Call the World Chain smart contract at 0xDeAdBeEf... using eth_call with the encoded data for the 'totalSupply()' function and tell me what it returns."}],"resultDescription":"Returns a standard JSON-RPC response object containing the result field with blockchain data (balance, receipt, block info, contract return value, etc.) or an error object with code and message if the call fails.","failureModes":["Invalid RPC method name returns JSON-RPC error -32601 (method not found)","Malformed params array returns -32602 (invalid params)","Payment not included or insufficient USDC returns HTTP 402","Rate limiting or node unavailability returns HTTP 503","Transaction broadcast failure due to low gas or nonce mismatch returns execution error"],"whenToPreferThis":"Choose this endpoint when you need direct JSON-RPC access to the World Chain (Worldcoin L2) network specifically, paid per-call via x402/USDC micropayments, without needing to manage your own node infrastructure or API key subscriptions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T12:32:23.056Z","isFirstParty":false,"canonicalSlug":"synapse-api-world-chain-rpc-endpoint-ae75dc0d"}