List Topics

Retrieve a list of topics for the authenticated user.

Query Parameters

  {isRequired ?

limit (number) — Number of topics to retrieve.
- Default value: 20
- Maximum value: 100
- Minimum value: 1

: <>

Note that the limit parameter is optional. If you do not provide a limit, all topics will be returned in a single response.

limit (number) — Number of topics to retrieve.
- Maximum value: 100
- Minimum value: 1
```
</>}
```
  - after (string) — The ID after which we'll retrieve more topics (for pagination). This ID will not be included in the returned list. Cannot be used with the before parameter.
  - before (string) — The ID before which we'll retrieve more topics (for pagination). This ID will not be included in the returned list. Cannot be used with the after parameter.
    
    You can only use either after or before parameter, not both. See our pagination guide for more information.
  </>

Node.js

import { Resend } from 'resend';

const resend = new Resend('re_xxxxxxxxx');

const { data, error } = await resend.topics.list();

PHP

$resend = Resend::client('re_xxxxxxxxx');

$resend->topics->list();

Python

import resend

resend.api_key = "re_xxxxxxxxx"

resend.Topics.list()

Ruby

require "resend"

Resend.api_key = "re_xxxxxxxxx"

Resend::Topics.list()

package main

import (
	"context"

	"github.com/resend/resend-go/v4"
)

func main() {
	client := resend.NewClient("re_xxxxxxxxx")

	client.Topics.ListWithContext(context.TODO(), nil)
}

Rust

use resend_rs::{list_opts::ListOptions, Resend, Result};

#[tokio::main]
async fn main() -> Result<()> {
  let resend = Resend::new("re_xxxxxxxxx");

  let _list = resend.topics.list(ListOptions::default()).await?;

  Ok(())
}

Java

import com.resend.Resend;
import com.resend.core.exception.ResendException;
import com.resend.services.topics.model.ListTopicsResponseSuccess;

public class Main {
  public static void main(String[] args) throws ResendException {
    Resend resend = new Resend("re_xxxxxxxxx");

    ListTopicsResponseSuccess response = resend.topics().list();
  }
}

.NET

using Resend;

IResend resend = ResendClient.Create( "re_xxxxxxxxx" ); // Or from DI

var resp = await resend.TopicListAsync();
Console.WriteLine( "Nr Topics={0}", resp.Content.Data.Count );

cURL

curl -X GET 'https://api.resend.com/topics' \
     -H 'Authorization: Bearer re_xxxxxxxxx'

CLI

resend topics list

Response

{
  "object": "list",
  "has_more": false,
  "data": [
    {
      "id": "b6d24b8e-af0b-4c3c-be0c-359bbd97381e",
      "name": "Weekly Newsletter",
      "description": "Weekly newsletter for our subscribers",
      "default_subscription": "opt_in",
      "visibility": "public",
      "created_at": "2026-04-08 00:11:13.110779+00"
    }
  ]
}