Help recovering BitPay wallet Reward!
What can I do?


You could find tools that automate the trying of various combinations of seed-words. Some are mentioned in similar questions here. For example btctools, btcrecover. Use them or adapt them to your needs.


Lost my Bitcoin wallet and have only 11 out of 12 mnemonic seed phrase words. How can I get my Bitcoins?
Need help to recover blpckchain.info wallet, my wife forgot her password and the brute force with btcrecover is not catching the password


I would


Not involve other people in this. 
Not use software I can't build from source code I read and understand. 
Not use the software on a computer that is connected to any network. 


If I had no success after a solid year of trying every day, I'd consider handing the problem over to a third party I had very thoroughly vetted.

Obviously if the wallet contains $3.65 or some other trivial amount - just forget about it, the time is not worth spending on this.