Don't have an account?
Search for an answer or ask a question of the zone or Customer Support.
You need to sign in to do that
Sign in to start searching questions
Signup for a Developer Edition
Sign in to start a discussion
Why do you want to call external API for more than 300 times, there is a chance that you might hit API limits. You can use batch apex to process the records in chunks using API's.
https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_batch_interface.htm
Please mark as Best Answer if above information was helpful.
Thanks,