有償化後もアクセスできてた Twitter API v2、日本時間の6月9日の朝からアクセス不能になりました。
{"client_id":(略),"detail":"When authenticating requests to the Twitter API v2 endpoints, you must use keys and tokens from a Twitter developer App that is attached to a Project. You can create a project via the developer portal.","registration_url":(略),"title":"Client Forbidden","required_enrollment":"Appropriate Level of API Access","reason":"client-not-enrolled","type":"(略)/client-forbidden"}
(略) はIDとURLです(URLは公開URLだけど自動リンクで表示壊れるので削った)