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

# GET /inboxes/{inbox_id}/threads/{thread_id}/emails (Resend API)
Base URL: https://api.resend.com
Auth: Authorization: Bearer <RESEND_API_KEY>
Last verified: 2026-10-20

> Retrieve a list of thread emails

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

## cURL
curl -X GET 'https://api.resend.com/inboxes/inbox-id/threads/thread-id/emails?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 |
| :--- | :--- | :--- | :--- | :--- |
| inbox_id | path | string | Yes | The Inbox ID or the inbox email address, such as `support... |
| thread_id | path | string | Yes | The Thread ID. |
| limit | query | integer | No | Number of items to return. |
| after | query | string | No | Return items after this cursor. |
Other params: before

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

---
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GET

GET /inboxes/{inbox_id}/threads/{thread_id}/emails — Resend API

Resend API

Retrieve a list of thread emails

Base URL: https://api.resend.com
Auth: Authorization: Bearer <RESEND_API_KEY>
Last verified: 2026-10-20 · upstream hash matched

Actions Try in browser→

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Critical gotchas

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

cURL

curl -X GET 'https://api.resend.com/inboxes/inbox-id/threads/thread-id/emails?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
inbox_id	path	string	Yes	The Inbox ID or the inbox email address, such as `[email protected]`. A value that contains `@` must be a valid email address, and any other value must be a UUID, or the request returns a 422. The address match is case-insensitive and never falls back to the inbox `name`. An address that matches no inbox returns a 404.
thread_id	path	string	Yes	The Thread ID.
limit	query	integer	No	Number of items to return.
after	query	string	No	Return items after this cursor.
before	query	string	No	Return items before this cursor.

Response 200 OK

{
  "object": "list",
  "has_more": false,
  "data": [
    {
      "id": "5b1a9f47-2c8d-4e6f-9a03-1d2e3f4a5b60",
      "direction": "inbound",
      "from": "Ada Lovelace <[email protected]>",
      "to": [
        "[email protected]"
      ],
      "cc": [],
      "bcc": [],
      "reply_to": [
        "[email protected]"
      ],
      "subject": "Refund for order 1041",
      "message_id": "<[email protected]>",
      "html": "<p>Could I get a refund for order 1041?</p>",
      "text": "Could I get a refund for order 1041?",
      "attachments": [
        {
          "id": "9d4f2b81-6c3a-4e7d-8b12-0a5c6d7e8f90",
          "filename": "receipt.pdf",
          "size": 20841
        }
      ],
      "read": false,
      "received_at": "2026-08-05T14:03:11.229Z"
    }
  ]
}

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