Check this link : https://www.trustpilot.com/review/simplex.com
If you are going to do transaction below 500$ they will process but larger transaction. They won't reply you even. See trustpilot.com reviews in last 24 hours. Soon they all be removed as well

I can share docs of purchase here even. Please be-aware guys ..
My payment id's
Simplex payment ID: 8b2342a2-4884-4c38-834c-8712be2e93d6
Simplex payment ID: db4f5df7-de09-4d78-87e6-d7633aa99ed2
For one transaction of 750$ i didn't even received ID from them but money got deducted. They don't reply at all