Card Validation failed



I’m trying to display the Twitter card,
but it always comes back with the same error…

* whitelist request for failed
ERROR: Card validation failed

I seem to Card preview is displayed correctly.
Video has also been playing.

Card URL:

I have no idea what to do now. Please give me an idea.

Takahiro Yamaguchi


You need to request approval for the Player card (see the Request Approval button under the admin form data). Once you’ve done that, our platform team will check that it works on the web and on Android and iOS, and approve if successful.