C# UWP/WinRT Stripe: Update a Coupon

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Updates the metadata of a coupon. Other coupon details (currency, duration, amount_off) are, by design, not editable.

Documentation: https://stripe.com/docs/api/curl#update_coupon

CURL Command

curl https://api.stripe.com/v1/coupons/25OFF \
   -u STRIPE_SECRET_KEY: \
   -d metadata[order_id]=6735 \
   -X POST

C# UWP/WinRT Example

Chilkat.Rest rest = new Chilkat.Rest();
bool success;

//  URL: https://api.stripe.com/v1/coupons/25OFF
bool bTls = true;
int port = 443;
bool bAutoReconnect = true;
success = await rest.ConnectAsync("api.stripe.com",port,bTls,bAutoReconnect);
if (success != true) {
    Debug.WriteLine("ConnectFailReason: " + Convert.ToString(rest.ConnectFailReason));
    Debug.WriteLine(rest.LastErrorText);
    return;
}

rest.SetAuthBasic("STRIPE_SECRET_KEY","");

rest.AddQueryParam("metadata[order_id]","6735");

string strResponseBody = await rest.FullRequestFormUrlEncodedAsync("POST","/v1/coupons/25OFF");
if (rest.LastMethodSuccess != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

Chilkat.JsonObject jsonResponse = new Chilkat.JsonObject();
jsonResponse.Load(strResponseBody);

string id;
string object;
bool amount_off;
int created;
bool currency;
string duration;
int duration_in_months;
bool livemode;
bool max_redemptions;
string metadataOrder_id;
int percent_off;
bool redeem_by;
int times_redeemed;
bool valid;

id = jsonResponse.StringOf("id");
object = jsonResponse.StringOf("object");
amount_off = jsonResponse.IsNullOf("amount_off");
created = jsonResponse.IntOf("created");
currency = jsonResponse.IsNullOf("currency");
duration = jsonResponse.StringOf("duration");
duration_in_months = jsonResponse.IntOf("duration_in_months");
livemode = jsonResponse.BoolOf("livemode");
max_redemptions = jsonResponse.IsNullOf("max_redemptions");
metadataOrder_id = jsonResponse.StringOf("metadata.order_id");
percent_off = jsonResponse.IntOf("percent_off");
redeem_by = jsonResponse.IsNullOf("redeem_by");
times_redeemed = jsonResponse.IntOf("times_redeemed");
valid = jsonResponse.BoolOf("valid");

Sample JSON Response Body

{
  "id": "25OFF",
  "object": "coupon",
  "amount_off": null,
  "created": 1516662783,
  "currency": null,
  "duration": "repeating",
  "duration_in_months": 3,
  "livemode": false,
  "max_redemptions": null,
  "metadata": {
    "order_id": "6735"
  },
  "percent_off": 25,
  "redeem_by": null,
  "times_redeemed": 0,
  "valid": true
}