> For clean Markdown content of this page, append .md to this URL. For the complete documentation index, see https://buildwithfern.com/learn/llms.txt. ## Multiple authentication schemes in the API Explorer api-reference The API Explorer now supports multiple authentication schemes and combinations of authentication schemes for OpenAPI specs. First, configure your OpenAPI spec with multiple security options: **`openapi.yml`** ```yaml openapi.yml {8-11} /plant/search/status: get: tags: - plant summary: Search plants by status description: Filter plants based on their current status. operationId: searchPlantsByStatus security: - bearerAuth: [] # Option 1: Bearer token only (OR) - basicAuth: [] # Option 2: Basic auth AND API key (combined) apiKey: [] ``` Then, the API Explorer automatically displays all available authentication options in a dropdown menu, allowing users to select and configure their preferred authentication method before sending requests. ![Authentication dropdown in the API Explorer](/learn/_fern-img/a4c05f14561debdc68b1163692a2fcb73c006263f24061e313c30075c68fb296.webp) Read the docs