How do you get platinum in Warframe?

How do I get Platinum in Warframe? You can get Prime Access or Prime Vault. Another option that costs real world money is this one. There is trading in Warframe. It does take a bit of work to get more Warframe Platinum currency, however it is the most reliable free method. There are contests. The Community Competitions are sponsored by fans. There are prizes for clans. There are rewards for signing up.