Making a cURL call in C#

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I want to make the following curl call in my C# console application:

curl -d "text=This is a block of text" \
    http://api.repustate.com/v2/demokey/score.json

I tried to do like the question posted here, but I cannot fill the properties properly.

I also tried to convert it to a regular HTTP request:

http://api.repustate.com/v2/demokey/score.json?text="This%20is%20a%20block%20of%20text"

Can I convert a cURL call to an HTTP request? If so, how? If not, how can I make the above cURL call from my C# console application properly?

Curl Call with C#, I need to make a curl call to a third party API using C# and I'm not sure how to go about it. I assume it would be using HttpClient. This is the curl  Calling the base constructor in C# ; How to cast int to enum? What is the best way to iterate over a dictionary? Create Excel(.XLS and.XLSX) file from C# ; What are the correct version numbers for C#? How to send a header using a HTTP request through a curl call?

Or in restSharp:

var client = new RestClient("https://example.com/?urlparam=true");
var request = new RestRequest(Method.POST);
request.AddHeader("content-type", "application/x-www-form-urlencoded");
request.AddHeader("cache-control", "no-cache");
request.AddHeader("header1", "headerval");
request.AddParameter("application/x-www-form-urlencoded", "bodykey=bodyval", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);

curl to C# converter, This app converts curl commands to C# code. If you found a bug or have suggestions, please open an issue. Check out some examples below. GET Is this a duplicate of .net - Making a cURL call in C# or c# - WebRequest Equivalent to CURL command? – user34660 Jan 3 '17 at 6:18 add a comment | 2 Answers 2

Below is a working example code.

Please note you need to add a reference to Newtonsoft.Json.Linq

string url = "https://yourAPIurl"
WebRequest myReq = WebRequest.Create(url);
string credentials = "xxxxxxxxxxxxxxxxxxxxxxxx:yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy";
CredentialCache mycache = new CredentialCache();
myReq.Headers["Authorization"] = "Basic " + Convert.ToBase64String(Encoding.ASCII.GetBytes(credentials));
WebResponse wr = myReq.GetResponse();
Stream receiveStream = wr.GetResponseStream();
StreamReader reader = new StreamReader(receiveStream, Encoding.UTF8);
string content = reader.ReadToEnd();
Console.WriteLine(content);
var json = "[" + content + "]"; // change this to array
var objects = JArray.Parse(json); // parse as array  
foreach (JObject o in objects.Children<JObject>())
{
    foreach (JProperty p in o.Properties())
    {
        string name = p.Name;
        string value = p.Value.ToString();
        Console.Write(name + ": " + value);
    }
}
Console.ReadLine();

Reference: TheDeveloperBlog.com

How to call curl in c#, I did a bit of Googling and found an example of how to make an HTTP POST request in C# here. With GraphQL, the data in your POST request  What eventually solves my problem is curl to C# converter. It is a very powerful tool and supports most of the parameters for Curl. It is a very powerful tool and supports most of the parameters for Curl.

I know this is a very old question but I post this solution in case it helps somebody. I recently met this problem and google led me here. The answer here helps me to understand the problem but there are still issues due to my parameter combination. What eventually solves my problem is curl to C# converter. It is a very powerful tool and supports most of the parameters for Curl. The code it generates is almost immediately runnable.

How to connect Curl to C# APIV2 - Developers & API, Curl is not a command, it is an executable. But also a library! You better look for a wrapper around that library. Like this one:  I am trying to find a way how to transfer curl command to C#. What i need is to obtain token from api and save it into file C:\\x.json\ Then i want to declare token into variable, and use it into another curl POST request to take data to work with them.

Call cURL from your console app is not a good idea.

But you can use TinyRestClient which make easier to build requests :

var client = new TinyRestClient(new HttpClient(),"https://api.repustate.com/");

client.PostRequest("v2/demokey/score.json").
AddQueryParameter("text", "").
ExecuteAsync<MyResponse>();

https://social.msdn.microsoft.com/Forums/en-US/0d0, C# POST CURL. C# POST CURL namespace testCurl. {. public partial WebRequest request = WebRequest.Create(url);. request.Method = "POST";. request. WebRequest Equivalent to CURL command. Ask Question Asked 6 years, 3 months ago. Making a cURL call in C#. 8. Convert CURL to C#-3. curl Equivalent in C#. 1.

How to call curl from C# application, You can also see a list of all libcurl easy options and which example source codes that use imap-create, IMAP example showing how to create a new folder​. Calling the base constructor in C# ; How to cast int to enum? What is the best way to iterate over a dictionary? Create Excel(.XLS and.XLSX) file from C# ; What are the correct version numbers for C#? How to send a header using a HTTP request through a curl call?

C# POST CURL · GitHub, Making SOAP requests your request in Postman, you might want to make the same request from your own application. cURL, None (Raw cURL command). As mentioned, I will be using curl to simulate HEAD, GET, POST, PUT and DELETE request calls against a REST API. HEAD requests If you want to check if a resource is serviceable, what kind of headers it provides and other useful meta-information written in response headers, without having to transport the entire content, you can make a HEAD request.

Examples,

Comments
  • possible duplicate of Downloading files using httprequest
  • @DanielEarwicker: I'd say it isn't, only because HttpClient is in the mix now, and it's going to be the way to get HTTP content over HttpWebRequest and WebClient going forward.
  • I have tried following your code for a similar issue but I am being given errors that await can only be set to async methods?
  • @Jay Yes, async and await are a pair, you can't use one without the other. This means you have to make the containing method (of which there is none here) async.
  • @Jay Most of those methods return Task<T>, you can just not use async and then deal with the return types normally (you'd have to call Task<T>.Result. Note, you're better of using async though as you're wasting the thread waiting for the result.
  • @Maxsteel Yes, it's an array of KeyValuePair<string, string> so you would just use new [] { new KeyValuePair<string, string>("text", "this is a block of text"), new KeyValuePair<string, string>("activity[verb]", "testVerb") }
  • Can this work for making a call like this? curl -k -i -H "Accept: application/json" -H "X-Application: <AppKey>" -X POST -d 'username=<username>&password=<password>' https://identitysso.betfair.com/api/login
  • I'd be verrrrrry careful not to paste any sensitive data (like auth cookies) on there...