## Uses of Class
io.vertx.rxjava3.ext.web.handler.APIKeyHandler

- Packages that use APIKeyHandler
  Package | Description
  --- | ---
  io.vertx.rxjava3.ext.web.handler |
  io.vertx.rxjava3.ext.web.openapi.router |

- - ### Uses of APIKeyHandler in io.vertx.rxjava3.ext.web.handler

    Fields in io.vertx.rxjava3.ext.web.handler with type parameters of type APIKeyHandler
    Modifier and Type | Field | Description
    --- | --- | ---
    `static io.vertx.lang.rx.TypeArg<APIKeyHandler>` | APIKeyHandler.`__TYPE_ARG` |

    Methods in io.vertx.rxjava3.ext.web.handler that return APIKeyHandler
    Modifier and Type | Method | Description
    --- | --- | ---
    `APIKeyHandler` | APIKeyHandler.`cookie​(String cookieName)` | Specify the source for the api key extraction as an HTTP cookie with the given name.
    `static APIKeyHandler` | APIKeyHandler.`create​(AuthenticationProvider authProvider)` | Create an API Key authentication handler
    `APIKeyHandler` | APIKeyHandler.`header​(String headerName)` | Specify the source for the api key extraction as an HTTP header with the given name.
    `static APIKeyHandler` | APIKeyHandler.`newInstance​(APIKeyHandler arg)` |
    `APIKeyHandler` | APIKeyHandler.`parameter​(String paramName)` | Specify the source for the api key extraction as an HTTP query parameter with the given name.
    `APIKeyHandler` | APIKeyHandler.`tokenExtractor​(java.util.function.Function<String,​Single<String>> tokenExtractor)` | Transform from user's token format to the AuthenticationHandler's format.

  - ### Uses of APIKeyHandler in io.vertx.rxjava3.ext.web.openapi.router

    Methods in io.vertx.rxjava3.ext.web.openapi.router with parameters of type APIKeyHandler
    Modifier and Type | Method | Description
    --- | --- | ---
    `RouterBuilder` | Security.`apiKeyHandler​(APIKeyHandler handler)` | Configure the to be used when creating the router.