How to get the likers of the topic with api

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How to get the likers of the topic with api?

I use the curl method of php to achieve, but it has something error.
Error return: The page you requested does not exist or is private.

Do you know what reason?

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I have to use api key when it request.

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Anyone konws?

[sam (Sam Saffron)]

https://meta.discourse.org/post_action_users.json?id=154208&post_action_type_id=2

works fine for me.

[sleep]

Thank you for your tips.

If I visit the url
http://your host/post_actions/users.json?id=776&post_action_type_id=2
it is ok.

We should use json method to get data of we want.

[cpradio]

@sleep

We should use json method to get data of we want.

Yes. Discourse uses these APIs, so you are ensured they will continue to function because breaking them, would break Discourse.