ENS name <-> address resolution API

Resolve an ENS name to its address, or reverse-resolve an address to its ENS name. Answers queries like 'what address is vitalik.eth', 'resolve this ENS name', 'what is the ENS name for this wallet'.

Price$0.01per request

MethodPOST

Route/v1/chain/ens-resolve

StatusLive

MIME typeapplication/json

Rate limit90/minute

Cache300s public

chainensresolvenameaddressreverse-resolutionethereum

API URLhttps://x402.hexl.dev/v1/chain/ens-resolve

Integration docs

Example request

{
  "name": "vitalik.eth"
}

Example response

{
  "query": "vitalik.eth",
  "name": "vitalik.eth",
  "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
  "resolved": true
}

Input schema

{
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "examples": [
        "vitalik.eth"
      ]
    },
    "address": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$"
    }
  }
}

Output schema

{
  "type": "object",
  "required": [
    "query",
    "resolved"
  ],
  "properties": {
    "query": {
      "type": "string"
    },
    "name": {
      "type": [
        "string",
        "null"
      ]
    },
    "address": {
      "type": [
        "string",
        "null"
      ]
    },
    "resolved": {
      "type": "boolean"
    }
  }
}