static void Main(string[] args) { // Configure API key authorization: Token Configuration.Default.AddApiKey("Authorization", "YOUR_TOKEN_HERE"); Configuration.Default.AddApiKeyPrefix("Authorization", "Token"); var documentsApi = new DocumentsApi(); var document = new Document(); document.FileFromUrl = "URL"; Document documentResult = documentsApi.DocumentsCreate(document); var apiInstance = new SignrequestsApi(); var data = new SignRequest.Model.SignRequest( signers: new List <Signer> { new Signer("*****@*****.**") }, fromEmail: "*****@*****.**", document: documentResult.Url ); SignRequest.Model.SignRequest result = apiInstance.SignrequestsCreate(data); Console.WriteLine(result); }