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Gumroad API Authentication

How to authenticate Gumroad API requests: one Bearer API key plus a connectionId. MindCloud runs the OAuth flow and refreshes Gumroad tokens for you.

Every Gumroad API request through MindCloud needs two things: a MindCloud API Key and a connectionId for your Gumroad account. This page covers both, plus exactly how to send them, so you do not need to visit any other page to get authenticated.

Steps to authenticate

  1. Create a MindCloud account at app.mindcloud.co if you do not already have one.
  2. Generate a MindCloud API Key in API Keys. This is the Bearer token you send on every request. Keep it on your server.
  3. Create a Gumroad connection in Connections. Gumroad uses OAuth. When you create the connection, you are redirected to sign in to Gumroad and approve access — MindCloud stores the resulting tokens and refreshes them automatically, so your integration never has to.
  4. Copy the connection’s connectionId — you will send it on every request alongside your MindCloud API Key.

How requests are authenticated

Authentication has two layers. Your MindCloud API Key authenticates the request to MindCloud, sent as a Bearer token in the Authorization header. The connectionId selects the connected Gumroad account that should run the action. MindCloud stores and refreshes the Gumroad credentials behind that connection, so you never send provider tokens with your requests.

Pass connectionId in the query string for GET and DELETE actions, and in the JSON body for POST, PUT, and PATCH actions.

For example, calling Get User with an Gumroad connection looks like this:

curl --request GET \
  --url "https://connect.mindcloud.co/v1/universal/gumroad/latest/actions/get-user" \
  --header "Authorization: Bearer $MINDCLOUD_API_KEY" \
  --get \
  --data-urlencode "connectionId=$CONNECTION_ID"

The Authorization: Bearer <your MindCloud API Key> header authenticates you to MindCloud; the connectionId tells MindCloud which Gumroad account to run the action against. Missing or invalid Authorization returns 401, and a missing or mismatched connectionId returns 400.

Connect Gumroad

You need a Gumroad creator account and permission to create API applications in Advanced settings.

  1. Sign in and open Gumroad Advanced settings

    Sign in to Gumroad, then open the application form in Advanced settings.

    Advanced settings
  2. Create a Gumroad application

    Enter an application name and icon. When Gumroad asks for a Redirect URI, use the Redirect URI shown in the MindCloud connection flow for this app.

  3. Copy the Application ID and Application Secret

    After Gumroad creates the application, copy the Application ID and Application Secret and keep them private. You will enter them in MindCloud when connecting Gumroad.

  4. Finish the MindCloud connection

    Return to MindCloud and enter the Gumroad Application ID and Application Secret to start the OAuth connection popup.

Keep your key safe

Keep your MindCloud API Key on your server; do not ship it in browser code, mobile apps, public repositories, or logs. Anyone with the key can call the Universal API as your MindCloud account, across every connection you have created.