Mollie webhook URL called but payment id not getting - mollie

Question

We have already created issues and this similar this https://github.com/mollie/api-documentation/issues/583
We have set webhook URL the id parameter in request but every time we got id is null so my question is id parameter are we pass or your side passed the parameter? let me know we are big trouble at this moment.
Create a payment response
{
"resource": "payment",
"id": "tr_pCHpdCbpb5",
"mode": "test",
"createdAt": "2020-01-24T09:40:18+00:00",
"amount": {
"value": "100.10",
"currency": "EUR"
},
"description": "46-201800046",
"method": null,
"metadata": null,
"status": "open",
"isCancelable": false,
"expiresAt": "2020-01-24T09:55:18+00:00",
"profileId": "pfl_wv9K6uRbg7",
"sequenceType": "oneoff",
"redirectUrl": "http://localhost:60991/nl-nl/OrderValidation?paymentType=mollie",
"webhookUrl": "https://devee05.solvisoft.net/api/mollie/webhook",
"_links": {
"self": {
"href": "https://api.mollie.com/v2/payments/tr_pCHpdCbpb5",
"type": "application/hal+json"
},
"checkout": {
"href": "https://www.mollie.com/payscreen/select-method/pCHpdCbpb5",
"type": "text/html"
},
"documentation": {
"href": "https://docs.mollie.com/reference/v2/payments-api/create-payment",
"type": "text/html"
}
}
}
When we paid amount specific to payment method Webhook URL automatically called but we got id every time null, but we detected or auto mapped currently created payment id? in webhook URL.

Answer 1

If you are struggling with the webhook controller method appearing not to be properly called: prefix the id parameter with the [FromForm] attribute. With that, the id value is nicely available.
As the documentation points out, the request made by Mollie is form encoded:
Content-Type: application/x-www-form-urlencoded
My controller method looks like this:
[HttpPost, Route("paymentstatus", Name = nameof(NotifyPaymentStatusChange))]
public async Task<IActionResult> NotifyPaymentStatusChange([FromForm] string id)
{
// Use the received id value to continue the payment verification process ...
}

Answer 2

Hello all I'm getting the webhook URL data using Request content
public virtual HttpResponseMessage Webhook(string id)
{
StringBuilder sb = new StringBuilder();
string filePath = System.Web.Hosting.HostingEnvironment.MapPath("~/MollieLog/MollieStatus.txt");
HttpContent requestContent = Request.Content;
string jsonContent = requestContent.ReadAsStringAsync().Result;
sb.AppendLine("Request content - " + jsonContent);
try
{
string mollieResponse = new MollieService(_apiKey).Get(string.Concat("payments/", id));
sb.AppendLine("ID - " + id);
sb.AppendLine("Current Date Time " + DateTime.Now);
sb.AppendLine(mollieResponse);
sb.AppendLine(Newtonsoft.Json.JsonConvert.SerializeObject(Request.Headers));
sb.AppendLine("---------------------------------------");
File.AppendAllText(filePath, sb.ToString());
sb.Clear();
}
catch (Exception ex)
{
sb.AppendLine("Error " + ex.Message);
File.AppendAllText(filePath, sb.ToString());
}
return Request.CreateResponse(HttpStatusCode.OK);
}
Output
Request content - id=tr_dCCujJWqK9