Rust

PayPal Send Invoice

See more PayPal Examples

Sends a PayPal invoice to a customer.

See also Send Invoice

Rust

// Note: Requires Chilkat v9.5.0.64 or greater.

// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// Load our previously obtained access token. (see PayPal OAuth2 Access Token)
let json_token = chilkat::JsonObject::new();
let _ = json_token.load_file("qa_data/tokens/paypal.json");

// Build the Authorization request header field value.
let sb_auth = chilkat::StringBuilder::new();
// token_type should be "Bearer"
let _ = sb_auth.append(&json_token.string_of("token_type").unwrap_or_default());
let _ = sb_auth.append(" ");
let _ = sb_auth.append(&json_token.string_of("access_token").unwrap_or_default());

// Make the initial connection.
// A single REST object, once connected, can be used for many PayPal REST API calls.
// The auto-reconnect indicates that if the already-established HTTPS connection is closed,
// then it will be automatically re-established as needed.
let rest = chilkat::Rest::new();
let b_auto_reconnect = true;
if rest.connect("api.sandbox.paypal.com", 443, true, b_auto_reconnect).is_err() {
    println!("{}", rest.last_error_text());
    return;
}

// ----------------------------------------------------------------------------------------------
// The code above this comment could be placed inside a function/subroutine within the application
// because the connection does not need to be made for every request.  Once the connection is made
// the app may send many requests..
// ----------------------------------------------------------------------------------------------

// Build a path using a draft invoice ID.
let sb_path = chilkat::StringBuilder::new();
let _ = sb_path.append("/v1/invoicing/invoices/invoice_id/send");
let num_replacements = sb_path.replace("invoice_id", "INV2-QCHR-QHSD-M2VU-AVXC");

let _ = rest.add_header("Authorization", &sb_auth.get_as_string().unwrap_or_default());
let _ = rest.add_query_param("notify_merchant", "true");

let Ok(response_body) = rest.full_request_form_url_encoded("POST", &sb_path.get_as_string().unwrap_or_default()) else {
    println!("{}", rest.last_error_text());
    return;
};

println!("Response Status Code = {}", rest.response_status_code());

// Did we get a 202 accepted response?
if rest.response_status_code() != 202 {
    println!("{}", response_body);
    println!("Failed.");
    return;
}

// If the 202 response is received, the response body would be empty...
println!("Success.");