The issue you’re encountering is related to the permissions associated with the Personal Access Token. While Personal Access Tokens generally provide broad access to the account’s resources, there are specific APIs, like the Orders API, that require OAuth access tokens with explicit permissions.
Personal Access Tokens are suitable for accessing resources directly associated with your own Square account, such as inventory and catalog data. However, for accessing certain APIs like the Orders API, which might involve more sensitive data, Square requires the use of OAuth access tokens. These tokens are obtained through the OAuth flow and are scoped to specific permissions that you request during the authorization process.
To resolve this issue, you should:
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Implement the OAuth flow to obtain an OAuth access token. This involves setting up an OAuth application in the Square Developer Dashboard and requesting the necessary permissions for the Orders API.
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Use the OAuth access token in your requests to the Orders API. This token will have the appropriate permissions to access order data.
By following these steps, you should be able to access the Orders API without encountering the “insufficient permissions” error.
This answer was reviewed by @Bryan-Square.