sample.rb

package mine;

import ballerina.net.http;

@http:configuration {basePath:"/dolar"}
service<http> dolar {
    endpoint
    
     <http:HttpClient> httpConnector{
        create http:HttpClient("http://api.bcb.gov.br", {});}
        
    http:HttpConnectorError err;

    @http:resourceConfig {
        methods:["GET"],
        path:"/cotacao"
    }
    resource cotacao (http:Request req, http:Response res) {

        http:Response clientResponse = {};
        clientResponse, err = httpConnector.get("/dados/serie/bcdata.sgs.1/dados/ultimos/1?formato=json", req);
        println("GET request: from Dolar Service Banco Central Brasil");
        res.forward(clientResponse);  
    }


}