OAuth-based connection — refresh tokens auto-renew the access token before it expires.
Go to developers.pinterest.com → My apps → your app → Configure. Copy the App ID (client_id) and App secret key (client_secret).
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Redirects to Pinterest to approve. After approval you'll come back here with an access token + refresh token saved.
After connecting, click below to fetch ad accounts and select the one to track.
Use this if your token expired and the OAuth Reconnect button isn't working, or if you already have a fresh token from elsewhere. Paste the access token(required) and the refresh token (optional, but enables auto-renew).
Where to get the tokens: