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3 votes
Accepted

Got 502 response after very few calls

Your app is subject to IP throttling as explained in the rate limiting documentation: Every application is subject to an IP based concurrent request throttle. If a single IP is making more than 30 ...
rene's user avatar
  • 2,897
2 votes
Accepted

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

Without a key the daily quota per IP-address is 300. With a key the daily quota per IP-address is 10,000. With an access_token and key (you can't use an access_token without a key) the daily quota per ...
rene's user avatar
  • 2,897
1 vote
Accepted

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

Your app can just give them the link, and they don't need to be logged in. The quota is a function of your API key (mainly). Register your app and use a key and that will give you a 10K quota. See:...
Brock Adams's user avatar

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