OpenAPI
OpenAPI is a specification for designing and documenting RESTful APIs. Using OpenAPI datasource, ToolJet can generate REST API operations from OpenAPI Specs.
Connection
To establish a connection with the OpenAPI global datasource, you can either click on the +Add new global datasource
button located on the query panel or navigate to the Global Datasources page through the ToolJet dashboard.
- Connections are created based on OpenAPI specifications.
- The available authentication methods currently supported are Basic Auth, API Key, Bearer Token, and OAuth 2.0.
- It is also possible to use specifications that require multiple authentications. Learn more here.
info
OpenAPI datasource accepts specifications only in JSON and YAML formats.

Querying OpenAPI
- Operations will be automatically generated from the specifications, and each operation will be distinct from others.
Fields
Host (Base URL): Some specifications may have one or multiple base URLs/servers, and certain operations might have separate base URLs. Therefore, you can choose the appropriate URL from the host selection.
Operation
