How to automatically receive a VKontakte token?

Question

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I am writing a bot for my own groups, which automatically posts the proposed news. But there was a problem with authorization, or rather, either 5 error, or 15, or 17, depending on which token I use, constantly climbs. To avoid such errors, automatic authorization with obtaining a token is needed. Searched the Internet, but did not find anything suitable. Perhaps someone has suggestions or solutions for my situation. Thanks for your replies and recommendations!

Answer 1

Why not get your own offline token, supply it to the bot and post everything "on your own behalf"? By the way, I don’t know about the community key, but it’s quite possible that you can also post to the community with it without any problems.