Oh man, the realter api auth is a nightmare at first. I struggled with it too until I found out they expect the API key in the headers, not the query params.
Try using Postman to test the endpoints first—it saves so much time. Also, their docs *say* it’s free, but after 100 calls/day they throttle you hard.
For small projects, it’s fine though. Just don’t spam it lol.
Try using Postman to test the endpoints first—it saves so much time. Also, their docs *say* it’s free, but after 100 calls/day they throttle you hard.
For small projects, it’s fine though. Just don’t spam it lol.