curl --request GET \
  --url https://api.getmembrane.com/customers/{id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "name": "<string>",
  "internalId": "<string>",
  "meta": {},
  "fields": {},
  "credentials": {},
  "lastActiveAt": "<string>",
  "isTest": true,
  "isBillable": true,
  "isActive": true,
  "aiCreditsRolling30DayLimit": 1,
  "createdAt": "<string>",
  "archivedAt": "<string>"
}