Bad Request 400: When accessing API with Ionic 3

Question

I’m getting on my console the Bad Request 400 response to my API call:

My app.api.ts in the app folder is:

export const MEAT_API = 'http://localhost:1337'

And my main code is:

submit(){
    var link = 'http://localhost:1337/user/login';
    var data = '?email='+JSON.stringify(this.usuario.email)+'&senha='+ JSON.stringify(this.usuario.senha);


    this.http.post(link, data)
      .subscribe(data => {
       this.data.response = data._body;

       if(this.data.response != "[]"){
        var resposta = this.data.response;
        console.log(resposta);

        // tinha que pegar o ID do usuário.... :/
         sessionStorage.setItem("usuarioEmail", this.usuario.email);
         //sessionStorage.setItem("idUsusario", resposta[0].idusuarios);
         sessionStorage.setItem("flagLogado", "sim");

         this.navCtrl.setRoot(WellFitPage, {}, {animate: true, direction: "forward"});
        }else{
          let alert = this.alertCtrl.create({
            title: 'Usuário Não encontrado!',
            subTitle: 'Verifique se digitou seu e-mail e senha corretamente.',
            buttons: ['OK']
          });
          alert.present();
       }
    })
  }

I am migrating from Ionic 1 to 3 a lot has changed. What can it be? My API was developed using Sailsjs.

In my Postman, it seems right, see:

Answer 1

Try it this way:

const link = 'http://localhost:1337/user/login';
const options =
   { 
       params: new HttpParams()
                  .set('email', this.usuario.email)
                  .set('senha', this.usuario.senha)
    };


    this.http.post(link, options )

A tip usually vc returns the observable of your service and subscribe to the component.