---
title: "Refresh access token"
method: POST
path: "/open-api/v3/oauth/refresh-token"
tags: ["Authentication"]
---

# Refresh access token

`POST /open-api/v3/oauth/refresh-token`

## Request body

- RefreshTokenReqDTO
  - `clientId` string, required — Client ID.
  - `refreshToken` string, required — Refresh token obtained from a previous access token request.

## Response `200`

OK

- RefreshTokenRespDTO
  - `code` string — Error code
  - `message` string — Error message
  - `data` RefreshTokenRespData
    - `accessToken` string, required — Interface call credential
    - `expiresIn` integer, required — Certificate validity time, unit: second
    - `timestamp` integer, required — response time stamp

## Other responses

- `400` — Bad Request

---

[API](https://skmtc.net/interlace/apis/core-resource.md) · [All operations](https://skmtc.net/interlace/apis/core-resource/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/interlace/core-resource/revisions/29c08a4da357/schema)