curl -X GET 'https://api.resend.com/emails/email-id/attachments?limit=10&after=example-after&before=example-before' \
  -H "Authorization: Bearer $RESEND_API_KEY" \
  -H 'User-Agent: my-app/1.0'

# GET /emails/{email_id}/attachments (Resend API)
Base URL: https://api.resend.com
Auth: Authorization: Bearer <RESEND_API_KEY>
Last verified: 2026-09-03

> Retrieve a list of attachments for a sent email

## Critical Gotchas
* All requests must include a `User-Agent` header (e.g. `User-Agent: my-app/1.0`) or the API returns HTTP 403.
* The `to` field is an array of strings, even when sending to a single recipient.

## cURL
curl -X GET 'https://api.resend.com/emails/email-id/attachments?limit=10&after=example-after&before=example-before' \
  -H "Authorization: Bearer $RESEND_API_KEY" \
  -H 'User-Agent: my-app/1.0'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| email_id | path | string | Yes | The ID of the email. |
| limit | query | integer | No | Maximum number of attachments to return. |
| after | query | string | No | Pagination cursor to fetch results af... |

## Response (200 OK)
{"object":"list","has_more":false}

---
Need an API key? Get one at https://resend.com/signup

GET

/emails/{email_id}/attachments

Resend API

Retrieve a list of attachments for a sent email

Base URL: https://api.resend.com
Auth: Authorization: Bearer <RESEND_API_KEY>
Last verified: 2026-09-03 · upstream hash matched

Actions

Agents: curl -H "Accept: text/markdown" this URL
→ 210 tokens · Vary: Accept

Critical gotchas

All requests must include a User-Agent header (e.g. User-Agent: my-app/1.0) or the API returns HTTP 403.

The to field is an array of strings, even when sending to a single recipient.

cURL

curl -X GET 'https://api.resend.com/emails/email-id/attachments?limit=10&after=example-after&before=example-before' \  -H "Authorization: Bearer $RESEND_API_KEY" \  -H 'User-Agent: my-app/1.0'

Get a free Resend API key → sponsored

Parameters

Name	In	Type	Required	Description
email_id	path	string	Yes	The ID of the email.
limit	query	integer	No	Maximum number of attachments to return.
after	query	string	No	Pagination cursor to fetch results after this attachment ID. Cannot be used with 'before'.
before	query	string	No	Pagination cursor to fetch results before this attachment ID. Cannot be used with 'after'.

Response 200 OK

{
  "object": "list",
  "has_more": false,
  "data": [
    {
      "id": "660e8400-e29b-41d4-a716-446655440000",
      "filename": "document.pdf",
      "content_type": "application/pdf",
      "content_id": "img001",
      "content_disposition": "attachment",
      "download_url": "https://cloudfront.example.com/path?Signature=...",
      "expires_at": "2024-10-27T18:30:00.000Z",
      "size": 2048
    }
  ]
}