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ENS Reverse Lookup
x402
ENS Reverse Lookup is a paid API for AI agents from api.strale.io, paid per call via x402, $0.0216/call, status unknown (last checked 2026-09-13).
Resolves an Ethereum wallet address to its associated ENS (Ethereum Name Service) domain name
Price / call$0.0216
Success—
StatusUnknown
How this service works
The trust layer for AI agents — 250+ independently tested data capabilities across 27 countries. Execute capabilities via REST, MCP, A2A, or x402 micropayments. Every call returns an audit record with cryptographic chain hashing.
Output
Returns the ENS domain name (e.g. 'vitalik.eth') reverse-resolved from the given Ethereum wallet address, along with a cryptographically hashed audit record confirming the result's provenance and integrity.
Example use cases
Identify wallet owner by ENS name
“I have this Ethereum address — 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 — can you look it up and tell me if it has an ENS name attached to it?”
Enrich transaction data with identities
“I'm reviewing a list of Ethereum addresses that sent me transactions. Can you resolve 0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B to its ENS domain so I can label it properly in my records?”
Verify ENS identity before sending funds
“Before I send ETH, can you confirm what ENS name belongs to the wallet address 0x4838B106FCe9647Bdf1E7877BF73cE8B0BAD5f97 so I know I'm dealing with the right person?”
Technical details
Endpoint
GEThttps://api.strale.io/x402/v2/ens-reverse-lookupWhen to prefer
Use this endpoint when you need to resolve a raw Ethereum wallet address to a human-readable ENS name, especially in agent workflows requiring identity enrichment, transaction labeling, or user verification in Web3 contexts. Prefer this over generic blockchain APIs when you need a cryptographic audit trail of the lookup result.
Side effects
- Address has no reverse ENS record set — returns null or empty result
- Invalid address format (not a valid 0x Ethereum address) — returns validation error
- ENS resolver temporarily unavailable — returns service error
- Address is valid but reverse record points to a different forward resolution — returned name may not forward-resolve back to the same address
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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