# Interface IDataProvider OptimaJet.Workflow.Api.IDataProvider Interface for data provider used in DATA API. Namespace: [OptimaJet.Workflow.Api](https://api.workflowengine.io/web-api/OptimaJet.Workflow.Api/) ```csharp public interface IDataProvider ``` [Previous Extensions](https://api.workflowengine.io/web-api/OptimaJet.Workflow.Api/Extensions/) [Next IProviderFactory](https://api.workflowengine.io/web-api/OptimaJet.Workflow.Api/IProviderFactory/)