The first method, using the squarespace_api_key parameter, does the following:

• To get squarespace_api_key:

It would be best if you went to the Squarespace administrator panel. Click on 'Settings,' select the 'Advanced' option from the menu, click 'Developer API Keys,' and then 'Create Key.'

• You need to navigate to the Squarespace administrator panel. Click on 'Settings,' select the 'Advanced' option from the menu, click on 'Developer API Keys,' and then 'Create Key.' https://{your-squarespace-site}.squarespace.com/config/settings/developer-tools/developer-api-keys

1. Obtain your client_id and client_secret:


• Fill out the form at https://partner.squarespace.com/oauth-form to get your_client_id and your_client_secret.
• The application processing is manual and may take up to 7 days. After approval, Squarespace support will send your client_id and client_secret to the provided email.


2. Authorize your application:


• Go to the following link in your browser: https://login.squarespace.com/api/1/login/oauth/provider/authorize
• Set the parameters:


• client_id - obtained in step 1
• redirect_uri - callback URL for receiving POST requests with data
• scope - required scopes (e.g., website.orders, website.orders.read, website.transactions.read, website.inventory, website.inventory.read, website.products, website.products.read)
• state - any value for CSRF protection, to be used in step 3
• access_type - set as "offline"
• After clicking "Allow," you will be redirected to the specified callback URL with a parameter code, which is needed for the next step.
3. Exchange the code for tokens:
   
   
   • Make a POST request to the URL https://login.squarespace.com/api/1/login/oauth/provider/tokens with the following parameters:
     
     
     • grant_type - set to "authorization_code" for the first request and "refresh_token" for token refresh
     • code - the value obtained in step 2
     • redirect_uri - the URL to which the request with parameters will be sent
     • refresh_token - specify the refresh_token in case of token refresh and grant_type=refresh_token


4. Use the obtained tokens in your application:


• After step 3, you will receive a POST request to the callback URL specified in step 2 with the necessary parameters, including access_token and refresh_token.
• Fill out the form in your application using the parameters:
  
  
  • squarespace_client_id - client_id from step 1
  • squarespace_client_secret - client_secret from step 1
  • squarespace_access_token - access_token from step 3
  • squarespace_refresh_token - refresh_token from step 3