Step 1: Copy your ID from TikTok Seller Center
Sign in to TikTok Seller Center.
Go to Marketing > Shop ads.
Under GMV Max, click Accounts.
Copy the ID under your account name. Example: 00045600012345000.
Step 2: Enter the ID in ConnectBooks
In ConnectBooks, go to Stores & Files.
Click your TikTok store.
Click the Ad icon at the top right of the store window.
Paste the ID in Input Advertiser ID.
Click Connect.
When you connect a new TikTok store, ConnectBooks shows this window automatically.
Step 3: Give ConnectBooks access in TikTok
ConnectBooks opens TikTok. Sign in if TikTok asks.
Click Agree.
TikTok sends you back to ConnectBooks. Your TikTok Ads account is now connected.
Ad costs will now show in your ConnectBooks reports.

