---
title: "Get EIP-712 signing domain"
method: GET
path: "/eip712/domain"
tags: ["auth", "eip712"]
---

# Get EIP-712 signing domain

`GET /eip712/domain`

## Request

- Base URL: `https://api.namefi.io/v-next`
- URL: `https://api.namefi.io/v-next/eip712/domain`
- Auth: one of:
  - API key in header `x-api-key`
  - HTTP bearer

Return the EIP-712 domain separator used for Namefi payload signing. The Namefi domain is chain-agnostic (chainId omitted) to allow cross-chain signatures.

## Query parameters

- `chain` integer, required: EIP-155 chain ID to query the signing domain for.

## Headers

- `x-namefi-eip7702-account` string
- `x-namefi-eip1271-account` string
- `x-namefi-erc1271-account` string

## Response `200`

OK

- object: EIP-712 typed-data domain separator.
  - `name` string: Human-readable signing domain name.
  - `version` string: Domain version string.
  - `chainId` integer: EIP-155 chain ID bound to the domain, if chain-specific signing is used.
  - `verifyingContract` string: Contract address bound to the domain, if applicable.
  - `salt` string: Disambiguation salt, if applicable.

## Other responses

- `400`: 400
- `401`: 401
- `402`: 402
- `403`: 403
- `404`: 404
- `406`: 406
- `408`: 408
- `409`: 409
- `412`: 412
- `429`: 429
- `500`: 500

---

[API](https://skmtc.dev/namefi/apis/namefi-api.md) · [All operations](https://skmtc.dev/namefi/apis/namefi-api/llms.txt) · [OpenAPI document](https://skmtc.dev/namefi/apis/namefi-api/revisions/3c7c3ade95c9?raw)