Card

POST /card Creates a Welcome/Boost card

Headers

Name	Value
apikey	28-Character API Key

Name	Type	Description
username	string*	Username of the user to make the card for
description	string*	Displayed under the users name
avatarUrl	string*	The url of the user’s profile picture
backgroundUrl	string	The image of the background (This or backgroundHex is required)
backgrundHex	string	The color of the background (This or backgroundUrl is required)

  {
    "url": "http://your-api-link.com/public/card-1707324567890.png",
    "created_at": "2026-02-07T17:42:54.000Z"
  }

Error
You didn’t provide a valid required field (The body with the * near the type)Check response.error