[Home](./index.md) > [ibm-cloud-sdk-core](./ibm-cloud-sdk-core.md) > [IamRequestBasedTokenManager](./ibm-cloud-sdk-core.iamrequestbasedtokenmanager.md) > [requestToken](./ibm-cloud-sdk-core.iamrequestbasedtokenmanager.requesttoken.md) ## IamRequestBasedTokenManager.requestToken() method Request an IAM access token using an API key. **Signature:** ```typescript protected requestToken(): Promise; ``` **Returns:** Promise<any> Promise