{"uid":"cap_PWsLJ-96ABBbchR2wtBjv","slug":"citiview-agent-market-evm-json-rpc-gateway-47bfa0ec","name":"Citiview Agent Market: EVM JSON-RPC Gateway","description":"JSON-RPC read access to EVM chains (base, ethereum, polygon, arbitrum, optimism) with no API key. Send a standard JSON-RPC body (eth_call, eth_getBalance, eth_blockNumber, eth_getLogs). Also callable as GET with the same fields as query parameters.","url":"https://agents.citiviewgroup.com/v1/rpc/:chain?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["chain"],"properties":{"chain":{"type":"string","description":"base | ethereum | polygon | arbitrum | optimism"}}},"queryParams":{"type":"object","required":["method"],"properties":{"id":{"type":"string","description":"JSON"},"method":{"type":"string"},"params":{"type":"string","description":"separate items with |"},"jsonrpc":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0025","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":"$0.0025/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0025","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0025","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_qfPPxAPlYKCzAGS1qHoGC","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0025","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Provides keyless JSON-RPC read access to EVM-compatible blockchains (Base, Ethereum, Polygon, Arbitrum, Optimism) supporting standard methods like eth_call, eth_getBalance, eth_blockNumber, and eth_getLogs.","exampleAgentPrompt":"What's the current ETH balance of wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Ethereum mainnet?","exampleUseCases":[{"title":"Check DeFi wallet balance on Base","prompt":"Can you get the ETH balance of address 0xAbCd1234...5678 on the Base network right now?"},{"title":"Read smart contract state on Polygon","prompt":"Call the totalSupply function on the USDC contract at 0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174 on Polygon — what does it return?"},{"title":"Monitor latest block on Arbitrum","prompt":"What's the latest block number on Arbitrum right now?"}],"resultDescription":"A standard JSON-RPC response object containing the 'result' field with the on-chain data (e.g. balance in wei, block number as hex, call return value, or array of log entries), or an 'error' field if the request failed.","failureModes":["Invalid chain name in path returns an error or 404","Malformed JSON-RPC method name returns a JSON-RPC error response","Invalid params format causes parsing failure","eth_sendRawTransaction and write methods are not supported (read-only access)","Network congestion may cause timeouts on complex eth_call requests","Payment not fulfilled results in 402 Payment Required response"],"whenToPreferThis":"Choose this endpoint when you need keyless, pay-per-call JSON-RPC access to multiple EVM chains without managing API keys or subscriptions. Ideal for agents that need occasional on-chain reads across Base, Ethereum, Polygon, Arbitrum, or Optimism at low cost ($0.002 per call) without provisioning infrastructure or signing up for Alchemy/Infura accounts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T06:48:35.199Z","isFirstParty":false,"canonicalSlug":"citiview-agent-market-evm-json-rpc-gateway-47bfa0ec"}