They could argue that by viewing the copyrighted code/implementation, you could effectively infringe by (even subconsciously) writing the same/similar code.
There's merits to this claim if you're indeed implementing some advanced, niche algorithm but it definitely wouldn't apply here as all he's doing is calling HTTP APIs, a very generic and common thing to do.
There's merits to this claim if you're indeed implementing some advanced, niche algorithm but it definitely wouldn't apply here as all he's doing is calling HTTP APIs, a very generic and common thing to do.