---
title: "Get operator signature to allow clients to register the user"
method: POST
path: "/v1/signable-registration"
tags: ["users"]
---

# Get operator signature to allow clients to register the user

`POST /v1/signable-registration`

Get operator signature to allow clients to register the user

## Request body

- object
  - `ether_key` string, required
  - `stark_key` string, required

## Response `200`

OK

- object
  - `operator_signature` string, required — Signature from authorised operator

---

[API](https://skmtc.dev/immutable/apis/immutable-x-api.md) · [All operations](https://skmtc.dev/immutable/apis/immutable-x-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/immutable/immutable-x-api/revisions/fb4f99cbbde4/schema)
