alamofire

According to Alamofire documentation for version 4.0.0 URL request with HTTP method would be followings: Alamofire.request(“https://httpbin.org/get”) // method defaults to `.get` Alamofire.request(“https://httpbin.org/post”, method: .post) Alamofire.request(“https://httpbin.org/put”, method: .put) Alamofire.request(“https://httpbin.org/delete”, method: .delete) So your url request will be: Alamofire.request(patientIdUrl, method: .post, parameters: nil, encoding: JSONEncoding.default, headers: nil) and a sample request will be: Alamofire.request(url, method: .post, parameters: … Read more

I got the issue, I have to use JSONEncoding.default instead of .JSON, so the new syntax is Alamofire.request(urlString,method: .post, parameters: requestParams, encoding: JSONEncoding.default, headers: [:])

If your problem is still not resolved by the answer given here. I believe one of your objects inside the parameters might not be an instance of NSString, NSNumber, NSArray, NSDictionary, or NSNull. As given in the documentation for JSONSerialization class: An object that may be converted to JSON must have the following properties: The … Read more