List invitations for a card

List invitation records for a card.

Use this to inspect who has been invited and to retrieve invitation identifiers for resend workflows.

Example:

curl "$BASE_URL/api/cards/<card_id>/invitations" \
  -H "Authorization: Bearer <access_token>"

Authentication for this endpoint requires this header:

• Authorization: Bearer <access_token>

Generate the bearer token by:

1. rotating credentials at POST /account/api-access/credentials/rotate
2. exchanging them at POST /account/api-access/token