A protest march is due to take place on Friday.
Complaints and documents can be submitted anonymously through the portal.
Faris and Ghassan Maumoon's candidacies were in doubt over the decreed debt.
The former chief of staff at the presidential residence was arrested on his return to the Maldives.
Pro-government candidates will be competing against each other as well as opposition candidates.
Some 264,589 people are eligible to vote.
The PPM congress in September where Yameen was elected president was legitimate, the Supreme Court ruled.
The High Court ordered Adeeb's temporary transfer pending a judgment on an appeal.
The Maldives is ranked 124 out of 180 countries.
The new party is trying to complete registration in time to field candidates for the parliamentary elections.
The MDP proposes a dramatic reduction in the powers of the Supreme Court.
President Solih expressed confidence that the JP would remain in the coalition.
Protesters have calling for the arrest of a former lawmaker accused of insulting Islam.
Husnu Suood alleged gangs nominate judges and "fix" trials by intimidating secret witnesses.
