SearchController.cs

[HttpGet("{text}")]
public IActionResult Get(string text)
{ 
    try
    {
        // 1. Dispatch search jobs

        Dictionary<string, string> queryServices = new Dictionary<string, string>();

        foreach (string service in new List<string>() { "github", "bitbucket" })
        {
            queryServices[service] = QueryService(text, service);
        }

        // 2. Do other work here ...
        // ----------------------
        // ----------------------

        // 3. Collect the search results

        return NestResultMultiple(CollectResults(queryServices));    
    }
    catch (System.Exception e)
    {
        return StatusCode(500, e);
    }
}