---
title: "GET /auth/tokens/github/codeChallenge"
method: GET
path: "/auth/tokens/github/codeChallenge"
tags: ["tokens"]
---

# GET /auth/tokens/github/codeChallenge

`GET /auth/tokens/github/codeChallenge`

Get a PKCE code challenge value and store the verifier.

## Response `200`

Get a PKCE code challenge value

- ClientPKCE
  - `hashedValue` string
  - `state` string

## Other responses

- `401` — Unauthorized
- `403` — Forbidden
- `409` — Conflict

---

[API](https://skmtc.net/dockstore/apis/dockstore-api.md) · [All operations](https://skmtc.net/dockstore/apis/dockstore-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/dockstore/dockstore-api/versions/9d82a4e96aa7/schema)