#include <sl/c_api/zed_interface.h> - unable to find the header and fetch it

continuously getting the below error while trying to run the sample C code for the Zed camera from the tutorial 1 provided by sterolabs.
user@GTW-ONX1-E1Y4NLYE:/usr/local/zed/samples/tutorials/tutorial 1 - hello ZED/c/build$ make
[ 50%] Building C object CMakeFiles/ZED_C_Tutorial_1.dir/main.c.o
/usr/local/zed/samples/tutorials/tutorial 1 - hello ZED/c/main.c:22:10: fatal error: sl/c_api/zed_interface.h: No such file or directory
22 | #include <sl/c_api/zed_interface.h>
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [CMakeFiles/ZED_C_Tutorial_1.dir/build.make:63: CMakeFiles/ZED_C_Tutorial_1.dir/main.c.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:76: CMakeFiles/ZED_C_Tutorial_1.dir/all] Error 2
make: *** [Makefile:84: all] Error 2

Hey @User1999 , welcome to the forums!

Did you install the C API?

This is a requirement before using the C samples.