What are my API call limits? Can they be altered?
You have essentially unlimited calls available to you in the Sandbox. In Production, you are given a limit of 5,000 API calls per day once you retrieve your production keys. This is an application limit and does not vary based on the number of users you have. We believe this amount of calls is sufficient for most individuals using a single application. However, we recognize that many developers will either need a higher API call limit and/or want to distribute their applications, or otherwise share them with many eBay users. These people should go through our Compatible Application Check process. After successfully completing this free-of-charge Check, your application will be rate-limited on an application basis or a per-user basis depending on your customer base and distribution format. Application-based call limits mean that your application will have a maximum API call cap on a daily and monthly basis. The user-based call limits mean that each user of your application gets their ow
