All kinds of projects can be posted on PeoplePerHour, however, there are just a few types of projects that PPH is not suitable for. If your project has been declined then you should have also received an email from us to the default email address on your PeoplePerHour account explaining why (check your spam folder in case it was sent there).
If for some reason you haven't received the email then take a look at the Projects posting policies which explains the types of projects that can't be posted on PPH.
If you believe your project does meet these policies then simply post your project again and we will take a second look.
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