The documentation portal is undergoing maintenance. During this period, you can't create any new user credentials. If you do, you'll need to recreate the user credential after the maintenance period ends.
Use a Kinesis target service to receive data from source services and write the data to an Amazon Kinesis stream. To create a Kinesis target service, use the Kinesis target service type.
Before you use a Kinesis target service, ensure you have the access key and secret access key for authentication.