How fetch category ID?

See this WP Codex article. I do hope your posts only have one category though since when multiple categories come in, I’d say your job is going to involve substantial irritation.

I looked at that one but it’s marked as deprecated which make me doubt using it. And yes, just one category at a time. ??

Check the part at the bottom, where they talk about what has replaced it.

Aw, I’m blind…! I totally missed that part. Worked like charm. Thanks. ??