List Attachments

Retrieve a list of attachments from a received email.

Query Parameters

  {isRequired ?

limit (number) — Number of attachments 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 attachments will be returned in a single response.

limit (number) — Number of attachments to retrieve.
- Maximum value: 100
- Minimum value: 1
```
</>}
```
  - after (string) — The ID after which we'll retrieve more attachments (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 attachments (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.
  </>

Path Parameters

email_id (string, required) — The Email ID.

Node.js

import { Resend } from 'resend';

const resend = new Resend('re_xxxxxxxxx');

const { data, error } = await resend.emails.receiving.attachments.list({
  emailId: '4ef9a417-02e9-4d39-ad75-9611e0fcc33c',
});

PHP

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

$resend->emails->receiving->attachments->list(
  emailId: '4ef9a417-02e9-4d39-ad75-9611e0fcc33c'
);

Python

import resend

resend.api_key = 're_xxxxxxxxx'

attachments = resend.Emails.Receiving.Attachments.list(
  email_id='4ef9a417-02e9-4d39-ad75-9611e0fcc33c'
)

Ruby

require 'resend'

Resend.api_key = 're_xxxxxxxxx'

attachments = Resend::Emails::Receiving::Attachments.list(
  email_id: '4ef9a417-02e9-4d39-ad75-9611e0fcc33c'
)

package main

import (
	"context"

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

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

	client.Emails.Receiving.ListAttachmentsWithContext(
		context.TODO(),
		"4ef9a417-02e9-4d39-ad75-9611e0fcc33c",
	)
}

Rust

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

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

  let _email = resend
    .receiving
    .list_attachments(
      "4ef9a417-02e9-4d39-ad75-9611e0fcc33c",
      ListOptions::default(),
    )
    .await?;

  Ok(())
}

Java

import com.resend.Resend;
import com.resend.core.exception.ResendException;
import com.resend.services.receiving.model.ListAttachmentsResponse;

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

    ListAttachmentsResponse response = resend.receiving().listAttachments(
      "4ef9a417-02e9-4d39-ad75-9611e0fcc33c"
    );
  }
}

.NET

using Resend;

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

var resp = await resend.ReceivedEmailAttachmentListAsync( new Guid( "4ef9a417-02e9-4d39-ad75-9611e0fcc33c" ));
Console.WriteLine( "Nr Attachments={0}", resp.Content.Data.Count );

cURL

curl -X GET 'https://api.resend.com/emails/receiving/4ef9a417-02e9-4d39-ad75-9611e0fcc33c/attachments' \
     -H 'Authorization: Bearer re_xxxxxxxxx'

CLI

resend emails receiving attachments 4ef9a417-02e9-4d39-ad75-9611e0fcc33c

Response

{
  "object": "list",
  "has_more": false,
  "data": [
    {
      "id": "2a0c9ce0-3112-4728-976e-47ddcd16a318",
      "filename": "avatar.png",
      "size": 4096,
      "content_type": "image/png",
      "content_disposition": "inline",
      "content_id": "img001",
      "download_url": "https://inbound-cdn.resend.com/4ef9a417-02e9-4d39-ad75-9611e0fcc33c/attachments/2a0c9ce0-3112-4728-976e-47ddcd16a318?some-params=example&signature=sig-123",
      "expires_at": "2026-10-17T14:29:41.521Z"
    }
  ]
}