Roblox Web API: How to authenticate?

Hello!

So I’m having trouble with this API article:
https://auth.roblox.com/docs#!/Authentication/post_v1_login

What is “ctype”? What are the captcha fields?

Thanks in advance,
Mehdi

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ctype seems to be an e-mail address.

The captcha fields are used by Roblox to serve users captchas.

What should I fill the captcha fields?

I don’t think that you can. Roblox generally doesn’t support OAuth or authentication through their API - your best way to use API endpoints which require authentication is to provide an already existing .ROBLOSECURITY token from an account that is already logged in.

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Alright, where should I provide that in the cURL?

The parameter you are looking for is --cookie

e.g --cookie ".ROBLOSECURITY=test"

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