curl -X POST 'https://api.resend.com/emails/email-id/share' \
  -H "Authorization: Bearer $RESEND_API_KEY" \
  -H 'User-Agent: my-app/1.0' \
  -H 'Content-Type: application/json' \
  -d '{
  "expires_in": "string"
}'

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

> Create a shareable link for a sent or received 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 POST 'https://api.resend.com/emails/email-id/share' \
  -H "Authorization: Bearer $RESEND_API_KEY" \
  -H 'User-Agent: my-app/1.0' \
  -H 'Content-Type: application/json' \
  -d '{"expires_in":"string"}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| email_id | path | string | Yes | The ID of the email. |
| expires_in | body | string | No | How long the link stays valid for, as a duration like `10... |

## Response (200 OK)
{"object":"email","id":"4ef9a417-02e9-4d39-ad75-9611e0fcc33c"}

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

POST

/emails/{email_id}/share

Resend API

Create a shareable link for a sent or received 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
→ 207 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 POST 'https://api.resend.com/emails/email-id/share' \  -H "Authorization: Bearer $RESEND_API_KEY" \  -H 'User-Agent: my-app/1.0' \  -H 'Content-Type: application/json' \  -d '{  "expires_in": "string"}'

Get a free Resend API key → sponsored

Parameters

Name	In	Type	Required	Description
email_id	path	string	Yes	The ID of the email.
expires_in	body	string	No	How long the link stays valid for, as a duration like `10m`, `2 hours`, or `1 day`. Defaults to `48h` and cannot exceed 48 hours.

Response 200 OK

{
  "object": "email",
  "id": "4ef9a417-02e9-4d39-ad75-9611e0fcc33c",
  "url": "https://resend.com/shared?token=eyJhbGciOiJIUzI1NiJ9..."
}