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Tumblr API Authentication

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

Every Tumblr API request through MindCloud needs two things: a MindCloud API Key and a connectionId for your Tumblr 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 Tumblr connection in Connections. Tumblr uses OAuth. When you create the connection, you are redirected to sign in to Tumblr 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 Tumblr account that should run the action. MindCloud stores and refreshes the Tumblr 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 Check If Blog Is Followed By Another Blog with an Tumblr connection looks like this:

curl --request POST \
  --url "https://connect.mindcloud.co/v2/universal/apps/tumblr/actions/check-if-blog-is-followed-by-another-blog/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 Tumblr account to run the action against. Missing or invalid Authorization returns 401, and a missing or mismatched connectionId returns 400.

Connect Tumblr OAuth2

You need access to the Tumblr account that owns the developer app.

  1. Open Tumblr OAuth Apps

    Go to Tumblr's OAuth Apps page and open your Tumblr app.

  2. Set the redirect URL

    Add the MindCloud callback URL to the app's OAuth2 redirect URL field and save the app settings.

  3. Copy your client credentials

    Copy the OAuth consumer key and OAuth consumer secret from the Tumblr app into the MindCloud connection form.

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.