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Since yesterday I've been trying to pass parameters through the SendInBlue API but it just doesn't work. I've tried everything. I've seen many code examples, but unfortunately it doesn't work.
I even used as an example the code in C# that they put on their website and it still doesn't work.
Follow my code:
using System.Diagnostics;
using System.Net.Http.Headers;
using Newtonsoft.Json.Linq;
using sib_api_v3_sdk.Api;
using sib_api_v3_sdk.Client;
using sib_api_v3_sdk.Model;
using Task = System.Threading.Tasks.Task;
namespace cjuridico.Domain.Models.Email;
public static class CadastroEmail
{
public static async Task EnviarEmail(string destinatario, string mensagem)
{
Configuration.Default.AddApiKey("api-key", "<omitted>");
var apiInstance = new TransactionalEmailsApi();
string SenderName = "John Doe";
string SenderEmail = "[email protected]";
SendSmtpEmailSender Email = new SendSmtpEmailSender(SenderName, SenderEmail);
string ToEmail = "[email protected]";
string ToName = "Guilherme Vianna";
SendSmtpEmailTo smtpEmailTo = new SendSmtpEmailTo(ToEmail, ToName);
List<SendSmtpEmailTo> To = new List<SendSmtpEmailTo>();
To.Add(smtpEmailTo);
string BccName = "Janice Doe";
string BccEmail = "[email protected]";
SendSmtpEmailBcc BccData = new SendSmtpEmailBcc(BccEmail, BccName);
List<SendSmtpEmailBcc> Bcc = new List<SendSmtpEmailBcc>();
Bcc.Add(BccData);
string CcName = "John Doe";
string CcEmail = "[email protected]";
SendSmtpEmailCc CcData = new SendSmtpEmailCc(CcEmail, CcName);
List<SendSmtpEmailCc> Cc = new List<SendSmtpEmailCc>();
Cc.Add(CcData);
string HtmlContent = "<html><body><h1>This is my first transactional email {{params.parameter}}</h1></body></html>";
string TextContent = null;
string Subject = "My {{params.subject}}";
string ReplyToName = "John Doe";
string ReplyToEmail = "[email protected]";
SendSmtpEmailReplyTo ReplyTo = new SendSmtpEmailReplyTo(ReplyToEmail, ReplyToName);
string AttachmentUrl = null;
string stringInBase64 = "aGVsbG8gdGhpcyBpcyB0ZXN0";
byte[] Content = System.Convert.FromBase64String(stringInBase64);
string AttachmentName = "test.txt";
SendSmtpEmailAttachment AttachmentContent = new SendSmtpEmailAttachment(AttachmentUrl, Content, AttachmentName);
List<SendSmtpEmailAttachment> Attachment = new List<SendSmtpEmailAttachment>();
Attachment.Add(AttachmentContent);
JObject Headers = new JObject();
Headers.Add("Some-Custom-Name", "unique-id-1234");
long? TemplateId = 3;
JObject Params = new JObject();
Params.Add("NOME", "Guilherme");
Params.Add("SENHA", "Guilherme");
List<string> Tags = new List<string>();
Tags.Add("mytag");
SendSmtpEmailTo1 smtpEmailTo1 = new SendSmtpEmailTo1(ToEmail, ToName);
List<SendSmtpEmailTo1> To1 = new List<SendSmtpEmailTo1>();
To1.Add(smtpEmailTo1);
Dictionary<string, object> _parmas = new Dictionary<string, object>();
_parmas.Add("params", Params);
SendSmtpEmailReplyTo1 ReplyTo1 = new SendSmtpEmailReplyTo1(ReplyToEmail, ReplyToName);
SendSmtpEmailMessageVersions messageVersion = new SendSmtpEmailMessageVersions(To1, _parmas, Bcc, Cc, ReplyTo1, Subject);
List<SendSmtpEmailMessageVersions> messageVersiopns = new List<SendSmtpEmailMessageVersions>();
messageVersiopns.Add(messageVersion);
try
{
var sendSmtpEmail = new SendSmtpEmail(Email, To, Bcc, Cc, HtmlContent, TextContent, Subject, ReplyTo, Attachment, Headers, TemplateId, Params, messageVersiopns, Tags);
CreateSmtpEmail result = apiInstance.SendTransacEmail(sendSmtpEmail);
Debug.WriteLine(result.ToJson());
Console.WriteLine(result.ToJson());
Console.ReadLine();
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
Console.WriteLine(e.Message);
Console.ReadLine();
}
}
}
606
asked Sep 10 '25 03:09
I recently encountered the same problem while working with my PHP code. Initially, I assumed it was due to a mistake in my code. However, I later discovered that the issue was with my template. Specifically, if you have defined {{ first_name }} in your template, simply replace it with {{ params.first_name }} and your email will begin to display the value of the parameters that were sent through the API call.
151
answered Sep 13 '25 06:09
I encountered similar problem. I dont know why but when I set parameters for example as {{user.name}} {{user.email}} etc it wouldn't work.
Solution to that was setting parameters in template as {{params.user.name}}, {{params.user.email}} etc
and then pass into SendSmtpEmail instance(_params) as anonymus object
dynamic transactionalParams = new
{
params = new
{
user = new
{
name = "JohnDoe",
email= "[email protected]"
}
}
};
then when I sent email with specified template with that parameters it worked just fine
23
answered Sep 13 '25 05:09
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