Create cart item addons

documented

Add addons to a cart item.

POST /api/v2/cart/{cart_id}/items/{item_id}/addonsCartno implementation yet0 runs

No implementation yet. Run it to have the agent write one, or open a pull request with your own.

Seed example (keychains curl)

npx -y keychains@latest curl "https://api-beta.developers.whmcs.com/api/v2/cart/{{$cart_id}}/items/{{$item_id}}/addons" \
  -X POST \
  -H "Authorization: Bearer {{OAUTH2_ACCESS_TOKEN}}" \
  -H "Content-Type: application/json" \
  -H "Accept: application/json" \
  -H "X-Api-State: {{x_api_state}}" \
  -d '{"addons": [{"id": {{$addon_id}}, "quantity": {{$quantity}}}]}'