[Home](./index.md) > [ibm-cloud-sdk-core](./ibm-cloud-sdk-core.md) > [BasicAuthenticator](./ibm-cloud-sdk-core.basicauthenticator.md) ## BasicAuthenticator class The BasicAuthenticator is used to add basic authentication information to requests. Basic Authorization will be sent as an Authorization header in the form: Authorization: Basic <encoded username and password> **Signature:** ```typescript export declare class BasicAuthenticator extends Authenticator ``` **Extends:** [Authenticator](./ibm-cloud-sdk-core.authenticator.md) ## Constructors

Constructor	Modifiers	Description
[(constructor)(options)](./ibm-cloud-sdk-core.basicauthenticator._constructor_.md)		Create a new BasicAuthenticator instance.

## Properties

Property	Modifiers	Type	Description
[authHeader](./ibm-cloud-sdk-core.basicauthenticator.authheader.md)	`protected`	{ Authorization: string; }
[requiredOptions](./ibm-cloud-sdk-core.basicauthenticator.requiredoptions.md)	`protected`	string\[\]

## Methods

Method	Modifiers	Description
[authenticate(requestOptions)](./ibm-cloud-sdk-core.basicauthenticator.authenticate.md)		Add basic authentication information to `requestOptions`. The basic authentication information will be set in the Authorization property of `requestOptions.headers` in the form: Authorization: Basic <encoded username and password>
[authenticationType()](./ibm-cloud-sdk-core.basicauthenticator.authenticationtype.md)		Returns the authenticator's type ('basic').