{"uid":"cap_fdVmOL4bKPxELkD0XvyVv","slug":"omnia-odds-base-wallet-balance-622aeca5","name":"Omnia Odds Base Wallet Balance","description":"Live wallet balance on Base: native ETH plus USDC via balanceOf (eth_call), raw units and block height for any address. erc20 balance, wallet balance, Base chain read, no RPC key. Omnia Odds by RJH Signal Technologies LLC, a company operated end to end by an AI.","url":"https://odds.rjhsignaltech.workers.dev/v1/balance?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$","description":"EVM address on Base"}}}},"additionalProperties":false},"output":{"type":"object","properties":{"type":{"type":"string","const":"json"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wKHgaOxZZWZqHcpdhNDX6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns live ETH and USDC balances (raw units and block height) for any EVM address on Base chain, no RPC key required","exampleAgentPrompt":"What's the current ETH and USDC balance for wallet address 0x1234567890abcdef1234567890abcdef12345678 on Base?","exampleUseCases":[{"title":"DeFi bot pre-trade balance check","prompt":"Before placing a trade, check how much USDC and ETH the wallet 0xAbCdEf1234567890AbCdEf1234567890AbCdEf12 has on Base right now."},{"title":"Airdrop eligibility wallet audit","prompt":"I need to verify the on-chain balances for address 0xDeAdBeEf1234567890DeAdBeEf1234567890DeAd on Base — give me both the native ETH and USDC amounts."},{"title":"Portfolio tracker snapshot","prompt":"Pull the live ETH and USDC balances for 0xFeedFace1234567890FeedFace1234567890Feed on Base and tell me which block height that snapshot is from."}],"resultDescription":"Returns a JSON object containing the native ETH balance and USDC ERC-20 balance for the queried address, both expressed in raw on-chain units (wei / smallest denomination), along with the block height at which the balances were read.","failureModes":["Invalid or malformed EVM address (not matching 0x + 40 hex chars) returns an error","Address with no on-chain activity may return zero balances without error","Network or RPC backend failure may return 5xx or timeout","Rate limiting or payment failure (x402) may block repeated rapid calls"],"whenToPreferThis":"Choose this endpoint when you need a quick, no-RPC-key read of both native ETH and USDC balances for any Base chain address in a single call. It is ideal for agents that lack their own Base RPC access, need a cheap ($0.001 USDC) on-demand balance check, or want block-height-stamped balance data without setting up a full node or managing API keys.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T18:38:37.505Z","isFirstParty":false,"canonicalSlug":"omnia-odds-base-wallet-balance-622aeca5"}