---
title: "Token"
description: "A short-lived credential for the requested merchant account and actions. Pass access_token to a SumUp SDK that supports merchant tokens."
image: "https://developer.sumup.com/og/index.png"
---

> Documentation Index
> Fetch the complete documentation index at: https://developer.sumup.com/llms.txt
> Use this file to discover all available pages before exploring further.

Path: SumUp REST API

A short-lived credential for the requested merchant account and actions. Pass access_token to a SumUp SDK that supports merchant tokens.

## Fields

- `access_token` (`Token.access_token`; string, required) — Secret token to pass to the SDK. Treat this value as an opaque string; do not parse it or depend on its format.
  - example `"MERCHANT_TOKEN"`
- `token_type` (`Token.token_type`; string, required) — Authentication scheme used by the token. Always Bearer.
  - one of `"Bearer"`; example `"Bearer"`
- `expires_in` (`Token.expires_in`; integer, required) — Remaining lifetime of the token in seconds when the response is created. Tokens expire 15 minutes after creation. Request a new token when needed.
  - min 0; example `899`


Source: https://developer.sumup.com/api/schemas/Token/index.md