app.service.ts

import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';

@Injectable({
  providedIn: 'root'
})
export class AppService {

  constructor(private http: HttpClient) { }

  getCcyPair() {
    return this.http.get('https://restsimulator.coderiq.io/currency_pairs');
  }
}