Request for Assistance with Square API Integration

Hello,

I am currently integrating the Square API into my application using C#. I am facing difficulties establishing a successful connection to the Square Sandbox environment despite several attempts and checks.

Error Details:

• I am using the Square SDK version [SDK version].
• My access token for the Sandbox environment is correctly configured in my application.
• I have updated the SDK via NuGet to ensure I am using the latest available version.
• I have verified that my development environment has functional internet access and that my firewall is not blocking outgoing calls to Square’s servers.

Code Used:

var SANDBOX_ACCESS_TOKEN_TEST = "sandbox-YourAccessTokenHere"; 

try
{
    var sqClient1 = new SquareClient.Builder()
        .Environment(Square.Environment.Sandbox)
        .AccessToken(SANDBOX_ACCESS_TOKEN_TEST)
        .Build();

    Console.WriteLine("Square client connected successfully.");
}
catch (Exception ex)
{
    Console.WriteLine($"Error initializing Square client: {ex.Message}");
}

Actions Taken:

• I have conducted thorough checks of the access token to ensure it is correctly formatted and not null.
• I have included exception handlers to capture and display any errors that occur during the initialization of the Square client.

Request: I kindly request your assistance in understanding why the connection to Square’s Sandbox is not working despite my efforts. Could you please provide suggestions or additional steps to resolve this issue?

Thank you in advance for your valuable assistance.

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