The process took about 2 weeks for me so not sure if that’s typical or not and your mileage may vary.
Here is the link: Flutterwave AWS Credit
Just fill the form and wait for the response.
An alternative method:
Visit the AWS Activate webpage AWS Activate Application to apply.
Use the Organization ID provided: 12akg (case sensitive)
Provide your AWS Account ID on the application.
You must already have a flutter wave account and use the same email when registering for AWS Activate