How to send a POST request with BODY in swift

Question

I m trying to make a post request with a body in swift using Alamofire   my json body looks like           IdQuiz    102       IdUser     iosclient        User     iosclient        List                       IdQuestion    5           IdProposition   2           Time    32                               IdQuestion    4           IdProposition   3           Time    9                     I m trying to make let list with NSDictionnary which look like      Time  30  IdQuestion  6510  idProposition  10    Time  30  IdQuestion  8284  idProposition  10     and my request using Alamofire looks like    Alamofire request  POST   http   myserver com   parameters    IdQuiz   102   IdUser   iOSclient   User   iOSClient   List  list    encoding   JSON               response   request  response  data  error in             let dataString   NSString data  data   encoding NSUTF8StringEncoding                  println dataString              The request has an error and I believe the problem is with Dictionary list  cause if I make a request without the list it works fine  so any idea      I have tried the solution suggested but I m facing the same problem     let json     List  list  IdQuiz   102   IdUser   iOSclient   UserInformation   iOSClient           let data   NSJSONSerialization dataWithJSONObject json  options  NSJSONWritingOptions PrettyPrinted error nil          let jsons   NSString data  data   encoding  NSUTF8StringEncoding         Alamofire request  POST   http   myserver com   parameters       encoding   Custom            convertible  params  in         var mutableRequest   convertible URLRequest copy   as  NSMutableURLRequest         mutableRequest HTTPBody   jsons  dataUsingEncoding NSUTF8StringEncoding  allowLossyConversion  false          return  mutableRequest  nil                   response   request  response  data  error in         let dataString   NSString data  data   encoding NSUTF8StringEncoding             println dataString

User · Answer

I ve slightly edited SwiftDeveloper s answer  because it wasn t working for me  I added Alamofire validation as well   let body  NSMutableDictionary           name      nameLabel text          phone      phoneLabel text       let url   NSURL string   http   server com  as String  var request   URLRequest url  url  as URL  request httpMethod    POST  request setValue  application json   forHTTPHeaderField   Content-Type   let data   try  JSONSerialization data withJSONObject  body   options  JSONSerialization WritingOptions prettyPrinted   let json   NSString data  data  encoding  String Encoding utf8 rawValue  if let json   json       print json    request httpBody   json  data using  String Encoding utf8 rawValue  let alamoRequest   Alamofire request request as URLRequestConvertible  alamoRequest validate statusCode  200   lt 300  alamoRequest responseString   response in      switch response result           case  success                          case  failure let error

User · Answer

If you are using Alamofire v4 0  then the accepted answer would look like this   let parameters   String  Any           IdQuiz    102       IdUser     iosclient        User     iosclient        List                            IdQuestion    5               IdProposition   2               Time    32                                   IdQuestion    4               IdProposition   3               Time    9                    Alamofire request  http   myserver com   method   post  parameters  parameters  encoding  JSONEncoding default       responseJSON   response in         print response

User · Answer

If anyone wondering how to proceed with models and stuff  see below          var itemArr   Dictionary lt String  String gt                for model in models                 let object     param1   model param1                               param2   model param2                itemArr append object as   String   String                      let param     field1   someValue                        field2   someValue                        field3   itemArr  as  String   Any           let url  URLConvertible    http   ------           Alamofire request url  method   post  parameters  param  encoding  JSONEncoding default               responseJSON   response in                 self isLoading   false                 switch response result                   case  success                      break                 case  failure                      break

User · Answer

I don t like any of the other answers so far  except perhaps the one by SwiftDeveloper   because they either require you to deserialize your JSON  only for it to be serialized again  or care about the structure of the JSON itself   The correct answer has been posted by afrodev in another question  You should go and upvote it   Below is just my adaption  with some minor changes  primarily explicit UTF-8 charset    let urlString    https   example org some api  let json       What     Ever      let url   URL string  urlString   let jsonData   json data using   utf8  allowLossyConversion  false    var request   URLRequest url  url  request httpMethod   HTTPMethod post rawValue request setValue  application json  charset UTF-8   forHTTPHeaderField   Content-Type   request httpBody   jsonData  Alamofire request request  responseJSON        response  in      print response

User · Answer

There are few changes I would like to notify  You can access request  JSON  error from response object from now on             let urlstring    Add URL String here          let parameters   String  AnyObject                   IdQuiz    102               IdUser     iosclient                User     iosclient                List                                            IdQuestion    5                       IdProposition   2                       Time    32                                                           IdQuestion    4                       IdProposition   3                       Time    9                                                    Alamofire request  POST  urlstring  parameters  parameters  encoding   JSON  responseJSON   response in             print response request      original URL request             print response response     URL response             print response data         server data             print response result       result of response serialization              if let JSON   response result value                   print  JSON    JSON                              response result error

User · Answer

func get Contact list         ApiUtillity sharedInstance showSVProgressHUD text   Loading         let cont nunber   contact array as NSArray     print cont nunber       let token   UserDefaults standard string forKey   vAuthToken        let apiToken    Bearer   token         let headers              Vauthtoken   apiToken           content-type    application json             let myArray   Any    cont nunber as   Any      let jsonData  Data    try  JSONSerialization data withJSONObject  myArray  options   prettyPrinted                var jsonString  String   nil     var jsonString   String       if let aData   jsonData           jsonString   String data  aData  encoding   utf8              let url1    URL      var request   URLRequest url  URL string  url1        request httpMethod    POST      request allHTTPHeaderFields   headers     request httpBody   jsonData as  Data                let session   URLSession shared      let task   URLSession shared dataTask with  request    data  response  error in         guard let data   data  error    nil else               print  error   String describing  error                 ApiUtillity sharedInstance dismissSVProgressHUD               return                    print  response     String describing  response               let responseString   String data  data  encoding   utf8          print  responseString     String describing  responseString              let json    self convertStringToDictionary text  responseString    as NSDictionary         print json           let status   json value forKey   status   as  Int          if status    200                        let array    json value forKey   data   as  NSArray  mutableCopy   as  NSMutableArray                     else if status    401                       ApiUtillity sharedInstance dismissSVProgressHUD                      else                       ApiUtillity sharedInstance dismissSVProgressHUD                         task resume      func convertStringToDictionary text  String  - gt   String AnyObject         if let data   text data using  String Encoding utf8            do               let json   try JSONSerialization jsonObject with  data  options   mutableContainers  as   String AnyObject              return json           catch               print  Something went wrong                       return nil

User · Answer

You re close  The parameters dictionary formatting doesn t look correct  You should try the following   let parameters   String  AnyObject           IdQuiz    102       IdUser     iosclient        User     iosclient        List                            IdQuestion    5               IdProposition   2               Time    32                                   IdQuestion    4               IdProposition   3               Time    9                    Alamofire request  POST   http   myserver com   parameters  parameters  encoding   JSON       responseJSON   request  response  JSON  error in         print response          print JSON          print error          Hopefully that fixed your issue  If it doesn t  please reply and I ll adjust my answer accordingly

User · Answer

Accepted answer in Xcode 11 - Swift 5 - Alamofire 5 0  func postRequest         let parameters   String  Any               IdQuiz    102           IdUser     iosclient            User     iosclient            List                                    IdQuestion    5                   IdProposition   2                   Time    32                                               IdQuestion    4                   IdProposition   3                   Time    9                                   AF request  http   myserver com   method  post  parameters  parameters encoding  JSONEncoding default   responseJSON    response  in         print response

User · Answer

Here is how I created Http POST request with swift that needs parameters with Json encoding and with headers   Created API Client  BKCAPIClient as a shared instance which will include all types of requests such as POST  GET  PUT  DELETE etc   func postRequest url String  params Parameters   headers HTTPHeaders   completion  escaping    responseData Result lt Any gt      error Error  - gt Void       Alamofire request url  method   post  parameters  params  encoding  JSONEncoding default  headers  headers  responseJSON           response in         guard response result isSuccess               response result value    nil  else                   debugPrint  Error while fetching data    String describing  response result error                     completion nil response result error                  return                   completion response result nil            Created Operation class that contains all data needed for particular request and also contains parsing logic inside completion block   func requestAccountOperation completion   escaping      result Any     error Error   - gt  Void        BKCApiClient shared postRequest url  BKCConstants   bkcUrl  params  self parametrs    headers  self headers       result  error  in         if error    nil                 Parse and save to DB Singletons                    completion result  error          func parametrs  - gt Parameters      return   userid       xnmtyrdx       bcode   HDF   as Parameters   func headers  - gt HTTPHeaders      return   Authorization    Basic bXl1c2VyOm15cGFzcw                Content-Type    application json   as HTTPHeaders     Call API In any View Controller where we need this data  func callToAPIOperation    let accOperation  AccountRequestOperation   AccountRequestOperation   accOperation requestAccountOperation  result  error  in

User · Answer

Alamofire Fetch data with POST Parameter and Headers   func feedbackApi        DispatchQueue main async           let headers                  Content-Type    application x-www-form-urlencoded                Authorization    ------                    let url   URL string   ---------           var parameters    String AnyObject            parameters                   device id   -----  as AnyObject               user id   ----  as AnyObject               cinema id   -----  as AnyObject               session id   -----  as AnyObject                   Alamofire request url   method   post  parameters  parameters headers headers  responseJSON   response in                 switch response result                  case success let data                       self myResponse   JSON data                      print self myResponse as Any                      let slide   self myResponse   sliders                       print slide                      print slide count                      for i in 0   lt slide count                          let single   Sliders sliderJson  slide i                           self slidersArray append single                                            DispatchQueue main async                           self getSliderCollection reloadData                                         case  failure let error                       print  dddd  error

User · Answer

Alamofire  5 2 and Swift 5 You can structure your parameter data Work with fake json api struct Parameter  Encodable        let token  String    quot xxxxxxxxxx quot       let data  Dictionary              quot id quot    quot personNickname quot            quot email quot    quot internetEmail quot            quot gender quot    quot personGender quot              let parameters   Parameter     AF request  quot https   app fakejson com q quot   method   post  parameters  parameters  responseJSON   response in             print response

User · Answer

Xcode 8 X   Swift 3 X  Easy Use       let params NSMutableDictionary           IdQuiz    102       IdUser     iosclient        User     iosclient        List                            IdQuestion    5               IdProposition   2               Time    32                                   IdQuestion    4               IdProposition   3               Time    9                                let ulr    NSURL string  http   myserver com  as String              let request   NSMutableURLRequest url  ulr  as URL              request httpMethod    POST              request setValue  application json   forHTTPHeaderField   Content-Type               let data   try  JSONSerialization data withJSONObject  params   options  JSONSerialization WritingOptions prettyPrinted               let json   NSString data  data  encoding  String Encoding utf8 rawValue              if let json   json                   print json                            request httpBody   json  data using  String Encoding utf8 rawValue                 Alamofire request request as  URLRequestConvertible                   responseJSON   response in                        do whatever you want here                    print response request                       print response response                      print response data                      print response result

User · Answer

If you are using swift4 and Alamofire v4 0 then the accepted code would look like this                let parameters  Parameters      username    email text    password    password text                let urlString    https   api harridev com api v1 login              let url   URL init string  urlString              Alamofire request url   method   put  parameters  parameters  encoding  JSONEncoding default  headers  nil  responseJSON   response in                  switch response result                                   case  success let json                       let jsonData   json as  Any                     print jsonData                  case  failure let error                       self errorFailer error  error

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