1. From the TikTok Marketing API homepage, select the Register button on the top right.

2. Type in your login credentials and confirm your password.

3. Select Send Code.

4. Next, you will receive an SMS with a passcode. Type the code into the Verification Code field and select Sign Up. 
If you do not receive a passcode select the Send Code button again. 

5.  After correctly entering the Verification Code, you are redirected to the login screen, where you can use your new credentials. 

6. Slide the bar to line up with the displayed image to complete the verification steps. 

7. You are now logged into the TikTok Marketing API homepage. 

8. Select Become a Developer from the top-right menu.

9. A new screen appears. Type in your login information and choose Direct Advertiser in the field What best describes you or your company. Select Send Code to verify your email and phone.

10. Select Next.

11.  Type on your information, including Company Name, Company Website, etc. Then, select Next. 

12.  Navigate to the Create Application pane. Then, type in your application name and description.

13. Type your local IP address in the Callback Address. You may need to certain permission, such as those in the following example. 

14. Select Submit.

15. You are redirected to the My Apps page, where you can view the status of your application. Application approval may take 2 or 3 business days. 

1. From the TikTok Marketing API homepage, select Log In in the top right.

2. Select the My Apps to view your application.

3. Select the app name you want.

4. On the new screen, you can view your basic information, including the App ID and Secret.

5. Note this information for later.

6. Select Copy to retain the Secret on your clipboard.

7. On current application's screen, scroll down to Authorized URL.

8. Copy the Authorized URL, paste it into an open web browser, and press Enter. You will be prompted to log in to your TikTok Ads Account, then a new screen appears and select Confirm.

9. You will be redirected to a non-existent webpage. Copy the URL in the webpage and get the auth_code value.
For example, your URL may look like this:

http://192.168.101.1/callback?auth_code=11111&code=11111&state=your_custom_params

10. Using your preferred API request tool, such as POSTMAN, you can send a request to https://business-api.tiktok.com/open_api/v1.2/oauth2/access_token/ with a request body as shown in the following example. 

{
    "app_id" : "{your_app_id}",
    "auth_code" : "{auth_code_in_above_step}",
    "secret" : "{your_app_secret}"
}

11. Next, select Send.

12. Alternatively, you may use cURL with the following command

$ curl --location --request POST 'https://business-api.tiktok.com/open_api/v1.2/oauth2/access_token/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "app_id" : "{your_app_id}",
    "auth_code" : "{auth_code_in_above_step}",
    "secret" : "{your_app_secret}"
}'

13. After you receive the response with the access_token and advertiser_ids like in the following example, you are ready to integrate with TikTok.

{
    "message": "OK",
    "code": 0,
    "data": {
        "access_token": "********************",
        "scope": [
            1,
            3,
            4
        ],
        "advertiser_ids": [
            ********************
        ]
    },
    "request_id": "11111"
}

1. Open TD Console.

2. Navigate to Integrations Hub > Catalog.

3. Search for and select TikTok.

4. Select Create Authentication.

5. Type the access token to authenticate.

6. Type a name for your connection.

7. Select Continue.