Kruzak.3076:

- per IP address
- per API key

SlippyCheeze.5483:

There was a post about rate limiting being introduced a while back, so yes, there are now limits. (…or soon will be, IDK.)

https://forum-en.guildwars2.com/forum/community/api/HEADS-UP-rate-limiting-is-coming/page/2#post6559539

Lawton, perhaps that should get a sticky with details?

Lawton Campbell.8517:

Ah yeah that’s a good point, I’ll see if I can figure out how to make a sticky post.

The rate limit is currently 600 requests/minute and is exposed in the X-Rate-Limit-Limit response header. It’s per-IP address.