how to call api from server

Hi

I'm a newbie, sorry I don't know much English either.

my project has 2 parts,

1. get the api and show it in the game, i did it

2. they want me to send the score back at the end of the level, but that api they force me to send it from the server to be secure and not change the score, so i can't use ajax to do this .

so is there any way i can do this.

thank you