GET Direct Message rate limit exceeded with 810 remaining and only 1 minute to reset

[bobdennynews]

Monitoring the rate limit headers that come back on end-point GET direct_messages/events/list and trying to time my requests to minimize the delay time to the next event while staying within the limits. I have done my very best to eliminate my own errors here and I think I have. The situation is that I get the following back on GET direct_messages/events/list

11:18:12 PM	$cwbot: [News Tweets] /direct: lim = 900 rem = 810 rst @ 23:19:32 

using the returned headers x-rate-limit-limit:, x-rate-limit-remaining:, and x-rate-limit-reset:, respectively. I have polled 90 times (900 - 810) in 14 minutes (23:19 - 23:18 = 1 minute from next 15 minute reset interval). I should still have 810 end-point requests left. However just less than one minute later I get the rate limit exceeded response to that endpoint:

11:19:17 PM	$cwbot: [News Tweets] TwitterAPIException: [blahblah] The remote server returned an error: (429) Too Many Requests. 

My direct-message endpoint requests are mixed in with requests for GET statuses / home_timeline, but I am tracking the three rate-limit parameters on that end-point separately, in other words, each end-point has its own “last received” rate limit parameters from the above headers on the return from that endpoint. I have looked very carefully to see that I am not mixing things up (like the wrong reset time ha ha).

So… my question is "How is it possible that I got the 429 error when it looks like to me that I still have 810 requests left and it’s only 82 seconds away from the reset time?

[bobdennynews]

I have a related problem. On a 19:12:30 GET statuses / home_timeline request I got x-rate-limit-reset: of 19:13:14 yet when I sent the next request at 19:13:18 (four seconds after the reset time), I got the 429 response.

Is there a “buffer” or possibly some “slop” in the timing and calculations at the server end. For now I’ll not cut it so close.

[bobdennynews]

Well I did a GET direct_messages/events/list only test. As soon as I reached a x-rate-limit-remaining: value of 810, the next attempt to GET direct_messages/events/list results in a 420 rate limit exceeded. No other activity in my app, no other users. This is testing with an app that I have not yet released.

At present I will subtract 810 from the limit and remaining numbers and use those as the “real thing”. Well, at least until someone can explain what’s actually going on.

[bobdennynews]

Counting up to the 429 error, you only get 15 GET direct_messages/events/list per 15 minute period. THat’s what actually happens. The documentation and the numbers coming back from the endpoints are wrong.

[jessicagarson]

Thanks so much for reaching out here. This is something we are actively investigating internally. Thanks for sharing your experiences with us.

[jtahoyle]

Hi all,

We’re seeing this across a few different endpoints too, unfortunately - doesn’t appear to be just DMs.

[system]

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