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Questions about: throttling, the `backoff` flag, the quotas, or the rate limiting of requests made to the API. API calls are restricted both by per-second rates and by daily quotas.

4 votes
2 answers
325 views

rate-limit per endpoint per IP VS. server apps in hosted environments

I was wondering if the scenario of a server based app that lives in a hosted environment, where a single IP can be shared by many web sites. As I understand the rate-limit as it stands, every site on …
Sky Sanders's user avatar
  • 12.1k
5 votes
1 answer
120 views

What's an example of the backoff field? Is there some way I can simulate it to test appropri...

In reading about the API rate limiting, the documentation talks about a method responding with an ominous backoff field, and states that the client should cease from calling that method for that many …
Conrad.Dean's user avatar
15 votes
1 answer
253 views

Is there a way of querying how much of the API limit has been used?

Twitter has the ability as part of its API to query the current rate limit status. Going to this url will show you how many requests can be made before the limit is reached: {"remaining_hits":150, …
adrianbanks's user avatar
  • 2,263
3 votes
1 answer
71 views

key not being recognized by api.meta.stackoverflow.com?

I have been testing a throttle implementation against meta today and suddenly got shut down with a key violation. It is possible that I have used enough requests to prompt this but I doubt it. In an …
Sky Sanders's user avatar
  • 12.1k
1 vote
1 answer
80 views

How many simultaneous queries may I make of the same Stack Exchange API?

I've been playing with some of the APIs that have paged results. I've been doing a first call with pagesize=0 to determine how many pages there are then running a loop querying each page. In my case …
hippietrail's user avatar
6 votes
1 answer
562 views

Got 502 response after very few calls

This looks like a duplicate of Throttle violation after 300 calls but this one is reported as fixed in 2012. Today I made ~450 requests with an app key (no oauth token) and suddenly got a 502 respons …
vap78's user avatar
  • 113
4 votes
2 answers
307 views

When does a rate-limit day start and end?

After reading the docs/faqs, I couldn't help but wonder... What exactly is a day? When does it start? When does it end? What timezone are you using? In other words, when my app runs out of reques …
Nathan Osman's user avatar
  • 23.3k
11 votes
2 answers
2k views

Request Throttling Limits

What are permissible requests "speeds?" The API will cut you off if you make more than 30 requests over 5 seconds to any single endpoint (currently 30 requests per second, https://api.stackexchange.co …
Kevin Montrose's user avatar
4 votes
1 answer
210 views

Access token quota

The documentation says that each user gets 5 distinct quotas of 10,000 requests per 24 hours, and as I interpret it, per app. If an application does have an access_token, then the application is …
Jonathan.'s user avatar
  • 3,118
2 votes
1 answer
400 views

Best strategies for calling the API with full throttling support?

I know this would be subjective on a normal SE site but as the relevant chat rooms are mostly dormant, we have no meta site, and nobody noticed when I asked if this kind of question is OK here, I'm ju …
hippietrail's user avatar
5 votes
1 answer
366 views

Why am I being told to backoff when I'm well within my API limit?

I've been running my API app fine for some time now and when I added another function I realized I was being told to backoff. I only run the app once a night and don't really pull that much data. I h …
Brad's user avatar
  • 53
2 votes
1 answer
298 views

Does the API key need to be kept secret?

For a project of mine, I need to know if I need to keep the API key secret or not. If I do, I'm not sure how I'm going to effect its protection, as Emacs Lisp files are stored in plain text (and byte- …
Sean Allred's user avatar
3 votes
2 answers
301 views

Key Limit is 10k or 100k?

Getting Started FAQ Question says 10k API "Hello World" code But I see 100k on Response Header X-RateLimit-Max 100000 X-RateLimit-Current 99993 Just typo in nginx setting or something like that? …
YOU's user avatar
  • 5,022
0 votes
1 answer
47 views

What about actually identical requests?

Now, it says here that I should not make lots of semantically equivalent requests. It also says that there is a lot of caching. So I was wondering, what about exactly identical requests. Should I wait …
Christopher King's user avatar
2 votes
1 answer
104 views

Sane limits for script that auto-loads new reviews for easier manual reviewing

I was looking at Am I allowed to use/create robots to track questions? just now and started wondering whether my current userscript to help with reviewing has quite the right internal rate limits. It …
Nathan Tuggy's user avatar

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