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Validation response for CloudEvents in ASP.NET Core Web API
public async Task<IActionResult> Options()
using (var reader = new StreamReader(Request.Body, Encoding.UTF8))
// Retrieve the validation header fields
var webhookRequestOrigin = HttpContext.Request.Headers["WebHook-Request-Origin"].FirstOrDefault();
var webhookRequestCallback = HttpContext.Request.Headers["WebHook-Request-Callback"];
var webhookRequestRate = HttpContext.Request.Headers["WebHook-Request-Rate"];
// Respond with the appropriate origin and allowed rate to
// confirm acceptance of incoming notications
HttpContext.Response.Headers.Add("WebHook-Allowed-Rate", "*");
HttpContext.Response.Headers.Add("WebHook-Allowed-Origin", webhookRequestOrigin);
return Ok();
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