I am working on a project that want to use facebook api's. I want to know whether there is a rate limit on the facebook api's per account.
Yes there is a rate limit for Facebook API which is also mentioned in their Platform Policies as
If you exceed, or plan to exceed, any of the following thresholds please contact us as you may be subject to additional terms: (>5M MAU) or (>100M API calls per day) or (>50M impressions per day).