---
title: "Confirm a double opt-in list and add contact to the matching Resend segment"
method: GET
path: "/confirm"
---

# Confirm a double opt-in list and add contact to the matching Resend segment

`GET /confirm`

## Request

- Base URL: `https://api.lodestarstamp.com`
- URL: `https://api.lodestarstamp.com/confirm`
- 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`

## Query parameters

- `token` string, required

## Other responses

- `302`: Confirmed and redirected
- `400`: Bad token

---

[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)