# Using ActivityPub - Valid Domain?

**URL:** https://meta.discourse.org/t/using-activitypub-valid-domain/307943
**Category:** Support
**Tags:** activitypub
**Created:** [May 14, 2024, 6:55pm UTC](https://meta.discourse.org/t/using-activitypub-valid-domain/307943 "2024-05-14T18:55:55Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![denvergeeks](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/denvergeeks/32/327671_2.png) [@denvergeeks](https://meta.discourse.org/u/denvergeeks)
#### Post date: [May 14, 2024, 6:55pm UTC](https://meta.discourse.org/t/using-activitypub-valid-domain/307943/1 "2024-05-14T18:55:55Z")

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Trying to get started using ActivityPub here on Meta, So I clicked the button…

 ![Screenshot 2024-05-14 124645](https://global.discourse-cdn.com/meta/original/4X/7/b/0/7b04d54103c3f37b9ba2c3b4bc0be9ffd8ef1de9.png)

… then this popped up …

 ![Screenshot 2024-05-14 123712](https://global.discourse-cdn.com/meta/original/4X/5/e/0/5e050076b0574a78509d8907d4411f5d00e78496.png)

… so I went and signed up at mastodon.social, where I created an account (something like) **xxxxxxx@mastodon.social** …

… then I returned to the above form and typed into that form field my new **xxxxxxx@mastodon.social** …

I receive the error “not a valid Mastodon domain”.

I would like to see (please), under that form field, an example of a valid Mastodon domain.

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### Author: ![itsbhanusharma](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/itsbhanusharma/32/180717_2.png) [@itsbhanusharma](https://meta.discourse.org/u/itsbhanusharma)
#### Post date: [May 14, 2024, 7:31pm UTC](https://meta.discourse.org/t/using-activitypub-valid-domain/307943/2 "2024-05-14T19:31:11Z")

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> [@denvergeeks](#):
>
> mastodon.social

This should work. `mastodon.social` is a valid mastodon domain. Once submitted, it should ask you to link with your account on that site

Ps: it shows a valid example (at least on mobile)

 ![IMG_2030](https://global.discourse-cdn.com/meta/original/4X/f/b/6/fb61dc013b017ce2fb7ebcbdb6390baca25889e6.jpeg)

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### Author: ![system](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/system/32/443519_2.png) [@system](https://meta.discourse.org/u/system)
#### Post date: [June 13, 2024, 7:31pm UTC](https://meta.discourse.org/t/using-activitypub-valid-domain/307943/3 "2024-06-13T19:31:19Z")

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