I have external API , using this API I am trying to extract the data (Around 50 records) . But some reason system is running for long time(Approximately 4-5 hrs. for 50 records) which is not correct, to confirm whether it is an API issue , validated the s

I have external API , using this API I am trying to extract the data (Around 50 records) . But some reason system is running for long time(Approximately 4-5 hrs. for 50 records) which is not correct, to confirm whether it is an API issue , validated the same API with other users , for those people it is tacking less than an minute .