https://docs.appsmith.com/connect-data/overview • 40 KB fetchedOpen original page
Overview | Appsmith Skip to main content Ask AI Search Ask Appsmith AI Submit message Examples How do I install Appsmith using Docker? How do I connect to my local PostgreSQL database? How do I pass inputs from a widget to a query? How do I trigger multiple queries conditionally? How do I fix the error: This value does not evaluate to type Array<Object>? Search Try Appsmith * Get Started * Introduction * Build Your First App * Self Hosting * New Installation Guides * Manage Installation * Upgrade Installation Guides * Concepts * Connect Data * Overview * How-to Guides * Reference * Datasources * Query Settings * Concepts * Build Apps * Overview * Quickstart * How-to Guides * Reference * Widgets * Accessibility * Theme * Sample Apps * Write Code * Overview * How-to Guides * Reference * Global Objects * Global Functions * JS Libraries * Fetch API * Data Transformation * JavaScript Settings * Concepts * Best Practices * Manage Apps and Users * Authentication * Granular Access Control * Versioning with Git * Setup SCIM Provisioning * Embed Appsmith * Migrate Applications * Audit Logs * Branding * External Client Portal * Packages * Overview * Tutorial * How-to Guides * Reference * Package Version Control * GIT Apps with Packages Best Practices * Code Packages * UI Packages * Workflows * Overview * Tutorial * How-to Guides * Reference * Workflow Triggers * Workflow Queries * Workflow Functions * Pass Parameters to Workflows * Run History * Troubleshooting * Overview * Self-hosting Errors * Application Errors * Product * FAQ * Security * Telemetry * Support at Appsmith * Privacy Policy * Release Notes * Contribute © 2026 Appsmith, Inc. * * Connect Data * Overview On this page Overview Datasources are used to connect to your external databases & APIs. Appsmith can connect to a variety of Datasources and any REST API. Queries can be created on top of datasources to read and write data from them. Queries interact with widgets via javascript to display and capture data. Security Appsmith encrypts all your datasource credentials and stores them securely. Appsmith doesn't store any data returned from your datasources and acts only as a proxy layer to orchestrate the execution of queries. Read about the Security Measures . Get started * Find your datasource and connect to it. * Learn how to identify and connect your data source to Appsmith to get started with building apps. * Learn about parameterising queries . * Discover how to use dynamic queries by adding parameters to make your app more flexible and interactive. * Start app building . * Begin building applications by using connected data sources and designing interactive workflows. How-to Guides Step-by-step guides to help you understand how to connect, configure, and query different data sources in Appsmith. Reference Detailed technical documentation on data sources, query syntax, and connection options to deepen your understanding. Concepts Learn core concepts related to data integration, query management, and how to use Appsmith effectively to build powerful apps. Was this page helpful? Edit this page Previous Deployment Architecture Next How-To Guides * Security * Get started