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114114Before you invoke an Anthropic model for the first time, submit use case details. You do this once per AWS account.
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1161161. Ensure you have the right IAM permissions described below
1172. Navigate to the [Amazon Bedrock console](https://console.aws.amazon.com/bedrock/)
1172. Go to the [Amazon Bedrock console](https://console.aws.amazon.com/bedrock/)
1181183. Select an Anthropic model from the **Model catalog**
1191194. Complete the use case form. Access is granted immediately after submission.
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477477## Use the Mantle endpoint
478478
479Mantle is an Amazon Bedrock endpoint that serves Claude models through the native Anthropic API shape rather than the Amazon Bedrock Invoke API. It uses the same AWS credentials, IAM permissions, and `awsAuthRefresh` configuration described earlier on this page.
479Mantle is an Amazon Bedrock endpoint that serves Claude models through the native Anthropic API shape rather than the Amazon Bedrock Invoke API. It uses the same [AWS credentials](#2-configure-aws-credentials), [IAM permissions](#iam-configuration), and [`awsAuthRefresh` configuration](#advanced-credential-configuration).
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481481### Enable Mantle
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