Ever heard of Thunder Client? It's a full-featured API testing tool right in VS @code. Checkout this presentation from Ranga Vadhineni, creator of Thunder Client from VS @code Day 2022
https://www.youtube.com/watch?v=pGsJgxW9Mto&list=PLj6YeMhvp2S5UqPT4mG6ILDOLzoFNai2D&index=6

https://twitter.com/code/status/1502326488149995522