SDKLoginRequest loginRequest = new SDKLoginRequest();
loginRequest.login = "your@email.address";
loginRequest.password = "password";
​
string jsonString = JsonUtility.ToJson(loginRequest);
byte[] myData = System.Text.Encoding.UTF8.GetBytes(jsonString);
using (UnityWebRequest request = UnityWebRequest.Put(string.Format("{0}/{1}", m_server, "fcgi?6"), jsonString))
{
  request.method = UnityWebRequest.kHttpVerbPOST;
  request.useHttpContinue = false;
  request.SetRequestHeader("Content-Type", "application/json");
  request.SetRequestHeader("Accept", "application/json");
  yield return request.SendWebRequest();
​
  SDKLoginResult loginResult = JsonUtility.FromJson<SDKLoginResult>(request.downloadHandler.text);
  if (loginResult.error == "none")
  {
    Debug.Log(loginResult.token);
  }
}

[Serializable]
public class SDKLoginRequest
{
    public string login;
    public string password;
}
​
[Serializable]
public class SDKLoginResult
{
    public string error;  // "none" | "auth"
    public string token;  // developer token
    public int banks;     // number of image banks, limited to 1 in Early Access
}

[Serializable]
public class SDKClearRequest
{
    public string token;
    public int bank;        // id of image bank to clear
    public bool anchor;     // if true, clears also anchor points (i.e. empty cloud)
}
​
[Serializable]
public class SDKClearResult
{
    public string error;
}

[Serializable]
public class SDKConstructRequest
{
    public string token;
    public int bank;        // id of image bank
    public string name;     // name for the map
}
​
[Serializable]
public class SDKConstructResult
{
    public string error;
    public int size;        // number of images used to create the map
}

[Serializable]
public class SDKJob
{
    public int id;
    public int size;
    public int bank;
    public string work;
    public string status;   // "done" | "processing" | "failed" | "pending"
    public string server;
    public string name;
    public string created;
    public string modified;
}

[Serializable]
public class SDKLoadLatestRequest
{
    public string token;
    public int bank;
}
​
[Serializable]
public class SDKLoadLatestResult
{
    public string error;
    public int count;
    public SDKJob[] jobs;
}

[Serializable]
public class SDKStatusRequest
{
    public string token;
    public int bank;
}
​
[Serializable]
public class SDKStatusResult
{
    public string error;
    public int imageCount;
    public int bankMax;
    public int imageMax;
    public bool eulaAccepted;
}

[Serializable]
public class SDKJobsRequest
{
    public string token;
    public int bank;
}
​
[Serializable]
public class SDKJobsResult
{
    public string error;
    public int count;
    public SDKJob[] jobs;
}

[Serializable]
public class SDKImageRequest
{
    public string token;
    public int bank;
    public int run;
    public int index;
    public bool anchor;
    public double px;
    public double py;
    public double pz;
    public double r00;
    public double r01;
    public double r02;
    public double r10;
    public double r11;
    public double r12;
    public double r20;
    public double r21;
    public double r22;
    public double fx;
    public double fy;
    public double ox;
    public double oy;
    public string b64;
}
​
[Serializable]
public class SDKImageResult
{
    public string error;
    public string path;
}

[Serializable]
public class SDKMapRequest
{
    public string token;
    public int id;
}
​
[Serializable]
public class SDKMapResult
{
    public string error;
    public string b64;
}