Rakuten has announced that they will be closing their Global Market site permanently on June 1st, 2020. Kidsroom and Toysanta will still operate shops on Rakuten.co.jp however, and will apparently ship internationally, but you won't be able to get shipping estimates beforehand.

>Where to buy?
• https://global.rakuten.com/en/category/553785/
• https://global.rakuten.com/en/category/406810/
• https://www.1999.co.jp/eng/search?typ1_c=119&cat=&target=Series&searchkey=Capsule+Toy
• https://www.1999.co.jp/eng/search?typ1_c=119&cat=&target=Series&searchkey=Shokugan
• https://order.mandarake.co.jp/order/listPage/list?categoryCode=020123&lang=en
• https://order.mandarake.co.jp/order/listPage/list?categoryCode=020122&lang=en

>Release schedules
• https://gashapon.jp/schedule/
• https://www.bandai.co.jp/candy/calendar/
• https://epoch.jp/rc/capsule/
• http://kaiyodo.co.jp/items/capsuleq/
• https://www.takaratomy-arts.co.jp/items/search.html?genre=1

>Latest news
• https://gashapon.jp/blog/
• http://bandaicandy.hateblo.jp/
• https://dt-a.jp/blog/
• https://twitter.com/Dream_capsule