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GET
/
campaigns
/
{campaignId}
Show a campaign
curl --request GET \
  --url https://app.lettr.com/api/campaigns/{campaignId} \
  --header 'Authorization: Bearer <token>'
{
  "message": "Campaign retrieved successfully.",
  "data": {
    "id": "0193e6a8-1f3a-7c2a-b9e2-1aa1d2e5d3f0",
    "name": "Spring Sale",
    "status": "sent",
    "sent_count": 124,
    "created_at": "2026-05-01T09:00:00+00:00",
    "stats": {
      "injections": 0,
      "deliveries": 0,
      "bounces": 0,
      "spam_complaints": 0,
      "opens": 0,
      "unique_opens": 0,
      "clicks": 0,
      "unique_clicks": 0,
      "unsubscribes": 0
    },
    "subject": "<string>",
    "from_email": "jsmith@example.com",
    "from_name": "<string>",
    "reply_to": "jsmith@example.com",
    "scheduled_at": "2023-11-07T05:31:56Z",
    "total_recipients": 123,
    "sent_at": "2023-11-07T05:31:56Z",
    "html_content": "<string>"
  }
}

Documentation Index

Fetch the complete documentation index at: https://docs.lettr.com/llms.txt

Use this file to discover all available pages before exploring further.

Retrieve a single campaign with embedded stats and rendered HTML content. Requires the campaigns:read scope.

Authorizations

​
Authorization
string
header
required

API key for authentication

Path Parameters

​
campaignId
string<uuid>
required

Campaign ID

Response

Campaign retrieved successfully.

​
message
string
required
Example:

"Campaign retrieved successfully."

​
data
object
required

Full campaign representation including rendered HTML content.