{"uid":"cap_VQP6MConi6-7B9E8bCaSa","slug":"synthora-eth-balance-rpc-balance-hergertsynthora-com-9899d306","name":"Synthora ETH Balance (rpc-balance.hergertsynthora.com)","description":"Native balance (wei + eth) for an address via eth_getBalance. Deterministic, Ed25519-signed.","url":"https://rpc-balance.hergertsynthora.com/service","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"ok":true,"niche":"rpc-balance","result":{"op":"balance"}}},"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_0PAgWQ3KoCDz_1H9m8R-X","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 the native ETH balance (in both wei and ETH) for a given address on a specified chain via eth_getBalance, with Ed25519-signed deterministic responses.","exampleAgentPrompt":"What's the current ETH balance of wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Ethereum mainnet — give me both the wei and ETH amounts?","exampleUseCases":null,"resultDescription":"Returns the native balance of the specified address in both wei (raw integer) and ETH (decimal), cryptographically signed with Ed25519 for verifiability. Response is deterministic — the same query to the chain state returns the same signed result.","failureModes":["Invalid Ethereum address format — returns error, no charge","Unsupported or unrecognized chain identifier — returns error","Upstream RPC node failure — returns error with no charge applied","Missing or malformed X-WALLET header on first 3 free calls — may not apply free tier correctly","Network timeout or connectivity issue with the upstream node"],"whenToPreferThis":"Use this endpoint when you need a cryptographically signed, verifiable ETH native balance (wei + ETH) for a given address and want deterministic results you can audit. Prefer it over generic RPC calls when you need Ed25519-signed proof of the balance, or when cost matters (first 3 calls per wallet are free, and upstream failures are not charged). Best suited for agents that need trusted on-chain balance checks with minimal cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:39:15.287Z","isFirstParty":false}