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I am trying to find docs to figure out what the max limit is for YouTube and twitch channel names, but I am unable to find one.

This post suggests it's 20 but this post is like 3 years old. Plus the official YouTube API page doesn't list anything like that. Does anyone know what the limits are?

aaroncatlin
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Em Ae
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3 Answers3

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As of the YouTube V3 API, when creating a new channel, your channel name comes from your Google Account name:

First and last names support unicode/UTF-8 characters, with a maximum of 60 characters.

Name and password guidelines

The API docs only explicitly disclose the maximum number of characters for a video title (100) and a channel description (1000).

I don't believe this information is available for Twitch through their API.

JAL
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Twitch

As per this reddit post, as well as this post on the Twitch Developer Forums:

  • 4 to 25 characters
  • letters, numbers, underscores

To quote the reddit answer, valid usernames seem to be defined by the folliwing regex:

^[a-zA-Z0-9_]{4,25}$

Note:

  • Neither sources are official docs, but both seem reasonably credible
  • Usernames on Twitch equal channel names but are different from Display Names
domsson
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According to what YouTube allows me in 2022, it's 50 characters now.

Shady Medic
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