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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
252 views

Is it possible to access data in real-time using the Stack Exchange API?

I want to show an animation of: Questions being asked and answered in the most popular tag Comments being posted New users joining All in real time. Is there access to real-time data?
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 …
3 votes
1 answer
127 views

What's the relation between access_token, key, quota_max, and throttling?

From How API Keys Work (FAQ) I read that the limit of requests per day per IP is 300 without a registered key, or 10000 with it. And this is what I see by experimenting myself: since I've not register …
3 votes
2 answers
113 views

What will be rate-limit of two different applications with two valid API keys from same IP?

What will be the effective rate limit of two different applications with two valid API keys from the same IP address? Will it be whatever only one of the keys can use? So maximum 10k? Will rate-limit …
5 votes
1 answer
455 views

How to increase app request quota from 300 to 10,000?

In the app management page for a little app I made, the following statement is presented below this key Pw9D)judG8FE4tJR3qjUTA((: Pass this as key when making requests against the Stack Exchange A …
3 votes
1 answer
178 views

Getting Question data using stack.PHP fails after a certain number of requests

I am trying to build an RSS feed that includes any/all questions that I have answered, and been accepted as the correct answer. I am running into an issue where I'm sending too many requests and wond …
5 votes
1 answer
352 views

Is the Stack API daily quota of 10,000 a hard limit, or can it be increased?

We are developing an indexer that will be used to store and serve up questions/answers related to our products. The indexer uses a key (and soon an access_token) to retrieve the data from Stack Exchan …
7 votes
1 answer
28k views

How to deal with the "Too Many Requests" error coming as HTML?

The API specifies error codes, and messages. It also specifies a "backoff" parameter. But, even while respecting the backoff and stopping at errors, and even when waiting a long time between requests …
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 …
1 vote
1 answer
78 views

Do my users need to be logged in, for quota?

I am building an application and want to showcase relevant Stack Overflow questions. I have made the request and getting a response, but its responding with a quota value: "quota_max": 300, "quo …
1 vote
1 answer
143 views

Is it okay to just send the API key (without implementing oauth-2 login)?

I'm writing a small Android app that issues customizable queries and displays the results in a read-only format. I might implement oauth-2 in a future version, but want to leave it out of version 1.0 …
0 votes
1 answer
68 views

Get a great many counts of questions, by select tags for a date range?

I am trying to get the number of questions associated with a specific tag for a particular date range. I initially assumed the fromdate and todate parameters would do this. However, it appears that fi …
5 votes
2 answers
502 views

The API Key does not work

I have registered an app at https://stackapps.com/apps/register, got a Key right away after I have submitted. But now when I request http://api.stackoverflow.com/0.8/stats?key=MYKEY, I got RequestLim …
-5 votes
1 answer
637 views

What is the root cause for too many request issue?

I am getting the following error when importing questions under a particular tag name: {"error_id":502,"error_message":"too many requests from this IP, more requests available in 56100 second …
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 …

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