Rust integration
use squareup::Client; let client = Client::new("YOUR_ACCESS_TOKEN");
curl \ -H "Authorization: Bearer $ACCESS_TOKEN" \ https://connect.squareup.com/v2/cards
curl \ -H "Authorization: Bearer $ACCESS_TOKEN" \ https://connect.squareup.com/v2/sites
curl \ -H "Authorization: Bearer $ACCESS_TOKEN" \ https://connect.squareup.com/v2/refunds