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POST
/
audience
/
lists
Create an audience list
curl --request POST \
  --url https://app.lettr.com/api/audience/lists \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "Newsletter subscribers"
}
'
{
  "message": "List retrieved successfully.",
  "data": {
    "id": "0193e6a8-1f3a-7c2a-b9e2-1aa1d2e5d3f0",
    "name": "Newsletter subscribers",
    "contacts_count": 124
  }
}

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.

Create a new audience list. The name must be unique within the team. Requires the audience:write scope and is blocked for sandbox API keys.

Authorizations

​
Authorization
string
header
required

API key for authentication

Body

application/json

Request to create an audience list

​
name
string
required

List name (must be unique within the team)

Maximum string length: 255
Example:

"Newsletter subscribers"

Response

List created

​
message
string
required
Example:

"List retrieved successfully."

​
data
object
required

Audience list summary