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Formester API Authentication

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

Every Formester API request through MindCloud needs two things: a MindCloud API Key and a connectionId for your Formester 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 Formester connection in Connections. Formester uses an API key. You generate the key in your Formester 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 Formester account that should run the action. MindCloud stores and refreshes the Formester 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 Forms with an Formester connection looks like this:

curl --request POST \
  --url "https://connect.mindcloud.co/v2/universal/apps/formester/actions/list-forms/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 Formester account to run the action against. Missing or invalid Authorization returns 401, and a missing or mismatched connectionId returns 400.

Get your Formester API token

Sign in to the Formester workspace that owns the forms you want to access.

  1. Open the API page

    In your Formester dashboard, open the API page where v2 tokens are created.

    API
  2. Create or copy a v2 token

    Create a new API v2 token or copy an existing active token for this MindCloud connection.

  3. Paste the token into MindCloud

    In the Formester connection form, paste the token into the API Key field and save the connection.

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.