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Dart

Shippo Generate a Return Label

See more Shippo Examples

Demonstrates how to generate a pay-on-use return label.

Chilkat Dart Downloads

Dart
import 'package:chilkat/chilkat.dart';

void main() {
  // This example assumes the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  final http = CkHttp();

  // Implements the following CURL command:

  // curl https://api.goshippo.com/shipments/ \
  //     -H "Authorization: ShippoToken <API_Token>" \
  //     -d address_from="d799c2679e644279b59fe661ac8fa488" \
  //     -d address_to="42236bcf36214f62bcc6d7f12f02a849" \
  //     -d parcels=["7df2ecf8b4224763ab7c71fae7ec8274"] \
  //     -d shipment_date="2013-12-03T12:00:00.000Z" \
  //     -d extra='{ "is_return": true}' \
  //     -d async=false

  final req = CkHttpRequest();
  req.httpVerb = 'POST';
  req.path = '/shipments/';
  req.contentType = 'application/x-www-form-urlencoded';
  req.addParam('address_from', 'd799c2679e644279b59fe661ac8fa488');
  req.addParam('address_to', '42236bcf36214f62bcc6d7f12f02a849');
  req.addParam('parcels', '["7df2ecf8b4224763ab7c71fae7ec8274"]');
  req.addParam('shipment_date', '2013-12-03T12:00:00.000Z');
  req.addParam('extra', '\'{ "is_return": true}\'');
  req.addParam('async', 'false');

  req.addHeader('Authorization', 'ShippoToken <API_Token>');

  final resp = CkHttpResponse();
  try {
    http.httpReq('https://api.goshippo.com/shipments/', req, resp);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final sbResponseBody = CkStringBuilder();
  resp.getBodySb(sbResponseBody);
  final jResp = CkJsonObject();
  jResp.loadSb(sbResponseBody);
  jResp.emitCompact = false;

  print('Response Body:');
  print(jResp.emit());

  final respStatusCode = resp.statusCode;
  print('Response Status Code = $respStatusCode');
  if (respStatusCode >= 400) {
    print('Response Header:');
    print(resp.header);
    print('Failed.');
    return;
  }

  // Sample JSON response:
  // (Sample code for parsing the JSON response is shown below)

  // {}

  // Sample code for parsing the JSON response...
  // Use the following online tool to generate parsing code from sample JSON:
  // Generate Parsing Code from JSON
}