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Meisterplan API Authentication

How to authenticate Meisterplan API requests: one Bearer API key plus a connectionId. MindCloud stores your API key securely — set it once, never resend it.

Every Meisterplan API request through MindCloud needs two things: a MindCloud API Key and a connectionId for your Meisterplan 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 Meisterplan connection in Connections. Meisterplan uses an API key. You generate the key in your Meisterplan account, then paste it in when you create the connection — MindCloud stores it securely and never returns it in a response.
  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 Meisterplan account that should run the action. MindCloud stores and refreshes the Meisterplan 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 List Scenarios with an Meisterplan connection looks like this:

curl --request POST \
  --url "https://connect.mindcloud.co/v2/universal/apps/meisterplan/actions/list-scenarios/run" \
  --header "Authorization: Bearer $MINDCLOUD_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
  "connectionId": "$CONNECTION_ID",
  "arguments": {}
}'

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

Create a Meisterplan API token

You need a Meisterplan account with the "Access Meisterplan APIs and Connect External Applications" permission.

  1. Sign in to Meisterplan

    Open your Meisterplan system and sign in with the account you want to connect.

  2. Open the API token page

    Open your user profile, click Manage Apps, then select API Tokens.

  3. Create a token

    Click Add API Token, enter a name, and create the token.

  4. Copy the token

    Copy the API token and store it somewhere safe. Meisterplan only shows the token value when you create it.

  5. Paste the token into MindCloud

    When you create the MindCloud connection, paste the copied value into the API Token field.

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.