You can use Web API toolbox to test web APIs. If you are familiar with Insomnia or Postman, this works just like that.
The various functions are available under Softawre Development > Web API
.
A basic setup involves just the url and request body but you can use helper functions to assemble various components like URL and headers.
Here we look at a simple GET example for a weather API.
You can also make POST request, with bearer token for API key:
For detailed API documentation, see Link.