Please be advised that Shadow Zapdos raids can only be done on weekends.
The Pokemon will have a random CP and IV values when you receive it. This is due to the in-game mechanic of rerolling IV values, when a Pokemon is being traded.
Short Step by Step Trading Service Guidelines (Please read carefully):
This Pokemon GO Account Service will give you the clearance on (some part or full) ‘Masterwork Research: Apex‘ Special Research that will grant you Apex Shadow Ho-Oh and Apex Shadow Lugia.
Clearing Stage 1 will grant you the Apex Shadow Ho-Oh.