curl --request POST \
  --url https://api.lemlist.com/api/companies/{companyId}/notes \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '{
  "note": "Note created from the API!"
}'

{
  "_id": "act_42k26Chi3iya8rfjX",
  "teamId": "tea_b4rMsi2trB42WyuWP",
  "companyId": "cpn_9Q9wjZR9R7rs3HE53",
  "type": "annotated",
  "createdAt": "2025-10-28T04:25:00.653Z",
  "note": "could help our GTM team be more productive",
  "sendUserId": "usr_gmHgNGRcGPSTJrDbT",
  "userId": "usr_gmHgNGRcGPSTJrDbT"
}