---
title: "Marketing opt-out form pointer (GET never writes the list)"
method: GET
path: "/unsubscribe"
---

# Marketing opt-out form pointer (GET never writes the list)

`GET /unsubscribe`

## Request

- Base URL: `https://api.lodestarstamp.com`
- URL: `https://api.lodestarstamp.com/unsubscribe`
- Auth: one of:
  - none
  - API key in header `X-Lodestar-Key`
  - OAuth 2 (authorization code, authorization URL `https://api.lodestarstamp.com/oauth/authorize`, token URL `https://api.lodestarstamp.com/oauth/token`, scopes: `mcp:read`)
  - API key in header `PAYMENT-SIGNATURE`

## Response `200`

No email: form pointer. ?email= with no valid token: confirmation mail, same body whether or not the address is on the list.

---

[API](https://skmtc.dev/lodestarstamp/apis/lodestar-trust-api.md) · [All operations](https://skmtc.dev/lodestarstamp/apis/lodestar-trust-api/llms.txt) · [OpenAPI document](https://skmtc.dev/lodestarstamp/apis/lodestar-trust-api/revisions/af78368ab7a5?raw)