{"uid":"cap_kK-Ke5IQBdnFrB2cFSVfD","slug":"ens-forward-reverse-resolution-by-synthora-136cc8d8","name":"ENS Forward/Reverse Resolution by Synthora","description":"ENS forward/reverse resolution: name->address and address->name. Deterministic, Ed25519-signed.","url":"https://rpc-ens.hergertsynthora.com/service","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"ok":true,"niche":"rpc-ens","result":{"op":"ens"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_i_x-ZY8u-VvsG5sxfJmoY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Resolves ENS names to Ethereum addresses (forward) and Ethereum addresses to ENS names (reverse lookup)","exampleAgentPrompt":"What Ethereum address does vitalik.eth resolve to? Also, can you reverse-resolve 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 to see if it has an ENS name?","exampleUseCases":[{"title":"Verify wallet identity in transactions","prompt":"Before I send funds to vitalik.eth, can you resolve that ENS name to the actual Ethereum address so I can confirm it's correct?"},{"title":"Find human-readable name for address","prompt":"I have this wallet address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 but I don't know who it belongs to. Can you reverse-resolve it to see if there's an ENS name associated with it?"},{"title":"Batch check ENS domain validity","prompt":"I have a list of ENS names that users submitted to my dapp. Can you resolve each one to verify they're all pointing to valid Ethereum addresses?"}],"resultDescription":"Returns the resolved Ethereum address for a given ENS name (forward lookup) or the ENS name for a given Ethereum address (reverse lookup), cryptographically signed with Ed25519 for authenticity. On upstream failure, no charge is applied.","failureModes":["ENS name does not exist or has no resolver set — returns an error indicating unresolvable name","Address has no reverse ENS record — returns null or empty name","Upstream ENS node is unreachable — returns failure with no charge applied","Invalid input format (malformed ENS name or non-checksummed address) — validation error","Rate limit exceeded beyond the 3 free calls without a wallet header — payment or header required"],"whenToPreferThis":"Use this endpoint when you need to resolve ENS names to addresses or reverse-resolve addresses to ENS names within an AI agent or automated workflow. Particularly useful when you want a signed, verifiable result and need pay-per-use pricing with no subscription commitment. The first 3 calls per wallet are free, making it low-risk to try. Prefer this over raw RPC calls when you need a simple HTTP POST interface without managing an Ethereum node.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:32:57.782Z","isFirstParty":false}