# App Check Published articles for App Check. This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles. ## Triple-layer security for Firebase web apps DevFeed: [Triple-layer security for Firebase web apps]() Original publisher: [Read original article]() Author: Roger Martinez Published: 2026-07-30T00:00:00Z Content type: tutorial Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Security](), [Web app](), [Firestore]() Tags: [app-check](), [apps](), [article](), [cloud-functions](), [firebase](), [firestore](), [security](), [security-rules](), [tutorials](), [web](), [web-apps]() ### AI overview This tutorial explains three layers of security for Firebase web apps: Firebase Security Rules, Google Cloud service accounts, and Firebase App Check. It focuses on narrowing Firestore rules by resource, allowed operations, and client identity, including a rule that limits reads to published articles. ### Source excerpt News, tutorials, and updates from the Firebase team. ## Gemini in Apple's Foundation Models framework DevFeed: [Gemini in Apple's Foundation Models framework]() Original publisher: [Read original article]() Author: Miguel Ramos; Ryan Wilson Published: 2026-06-09T09:41:00Z Content type: article Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [foundation-models](), [Artificial Intelligence](), [API](), [Swift](), [Inference]() Tags: [ai](), [ai-logic](), [app-check](), [apple](), [firebase](), [foundation-models](), [gemini](), [hybrid-inference](), [ios](), [news](), [on-device-ai](), [swift](), [updates](), [wwdc]() ### AI overview Firebase describes a preview integration that lets developers use cloud-hosted Gemini models through Apple's Foundation Models framework. The shared API allows switching between on-device Apple models and Gemini, while Firebase AI Logic and App Check provide request routing and attestation for Apple apps. ### Source excerpt News, tutorials, and updates from the Firebase team. ## Building a cooking assistant with Firebase AI Logic DevFeed: [Building a cooking assistant with Firebase AI Logic]() Original publisher: [Read original article]() Author: Marina Coelho Published: 2026-05-29T00:00:00Z Content type: tutorial Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Artificial Intelligence](), [Android](), [SDKs](), [Mobile](), [WebSocket]() Tags: [ai](), [ai-logic](), [android](), [api](), [app](), [app-check](), [authentication](), [build](), [building](), [camera](), [capture](), [firebase](), [function-calling](), [gemini](), [google](), [how-to](), [kotlin](), [mobile](), [permission](), [remote-config](), [sdks](), [streaming]() ### AI overview A tutorial on building a real-time cooking assistant for the Friendly Meals Android app with Firebase AI Logic, Gemini Live, bidirectional video streaming, and client-side function calling. It covers secure connections, authentication and App Check, camera and microphone permissions, and actions such as updating a grocery list. ### Source excerpt News, tutorials, and updates from the Firebase team. ## What's new from Firebase at Google I/O 2026 DevFeed: [What's new from Firebase at Google I/O 2026]() Original publisher: [Read original article]() Author: Seba Gnagnarella; Arthur Thompson; Kristen Richards Published: 2026-05-19T01:00:00Z Content type: news Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Agent Skills](), [Google](), [Mobile](), [Android Studio](), [Flutter](), [Model Context Protocol]() Tags: [2026](), [a-b-testing](), [agent-skills](), [ai-logic](), [ai-studio](), [android](), [android-studio](), [antigravity](), [app-check](), [application-design-center](), [authentication](), [cloud-logging](), [cloud-run](), [crashlytics](), [firebase](), [firestore](), [flutter](), [google](), [google-i-o](), [hybrid-inference](), [ios](), [mcp](), [mobile](), [news](), [remote-config](), [security]() ### AI overview Firebase announces updates from Google I/O 2026, including integrations with Google Antigravity and Android Studio, expanded Agent Skills for mobile development, and support for Firestore, Firebase Authentication, Crashlytics, and Remote Config. ### Source excerpt News, tutorials, and updates from the Firebase team. ## What's new from Firebase at Cloud Next 2026 DevFeed: [What's new from Firebase at Cloud Next 2026]() Original publisher: [Read original article]() Author: Seba Gnagnarella; Arthur Thompson; Kristen Richards Published: 2026-04-22T11:30:00Z Content type: news Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Cloud](), [Firestore](), [PostgreSQL](), [SQL](), [Mobile](), [Web](), [GraphQL]() Tags: [2026](), [ai](), [ai-logic](), [ai-studio](), [app-check](), [application-design-center](), [authentication](), [cloud-functions](), [cloud-next](), [dart-on-the-server](), [firebase](), [firestore](), [flutter](), [full-text-search](), [gemini](), [geo-queries](), [graphql](), [hybrid-inference](), [mobile](), [news](), [phone-number-verification](), [postgresql](), [sql](), [sql-connect](), [updates](), [web]() ### AI overview Firebase describes announcements from Cloud Next 2026, including the evolution of Firebase Data Connect into Firebase SQL Connect with realtime syncing, offline cache, and native SQL support. The article also covers Firestore Enterprise pipeline queries moving to general availability. ### Source excerpt News, tutorials, and updates from the Firebase team. ## Firebase AI Logic adds server prompt template support for chat and function calling DevFeed: [Firebase AI Logic adds server prompt template support for chat and function calling]() Original publisher: [Read original article]() Author: Miguel Ramos Published: 2026-04-22T00:00:00Z Content type: article Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Artificial Intelligence](), [Mobile](), [Web](), [SDK]() Tags: [ai](), [ai-logic](), [android](), [app-check](), [chat](), [cloud-next](), [firebase](), [firebase-ai-logic](), [firebase-console](), [flutter](), [function-calling](), [gemini](), [hybrid-inference](), [kotlin](), [prompt](), [sdk](), [security](), [server](), [web](), [web-app]() ### AI overview This Firebase blog post describes Cloud Next '26 updates to Firebase AI Logic. Server prompt templates now support multi-turn chat and function calling, keeping system instructions, model configuration, tool definitions, and function schemas on Firebase's servers while clients reference the template ID. ### Source excerpt What's new at Cloud Next '26 ## Securing AI agents and tool calls DevFeed: [Securing AI agents and tool calls]() Original publisher: [Read original article]() Author: Alexander Nohe Published: 2025-12-02T19:00:00Z Content type: tutorial Language: en Sources: [Firebase Blog]() Topics: [Securing AI](), [prompt injection](), [AI Agent](), [Loop Engineering](), [App]() Tags: [agentic](), [ai](), [ai-agent](), [app-check](), [authentication](), [firebase](), [genkit](), [go](), [least-privilege](), [prompt](), [prompt-injection](), [securing-ai]() ### AI overview This article explains how prompt injection can manipulate AI agent tool calls to access unauthorized user data. It recommends using application context and least-privilege access when designing tool definitions. ### Source excerpt Beyond authentication: Learn how to secure your AI agent's tool calls from prompt injection by using application context and the principle of least privilege. ## Gemini 3 Pro preview is available through Firebase AI Logic client SDKs DevFeed: [Gemini 3 Pro preview is available through Firebase AI Logic client SDKs]() Original publisher: [Read original article]() Author: Rosário Fernandes; Andrew Heard Published: 2025-11-18T00:00:00Z Content type: news Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Artificial Intelligence](), [SDKs](), [API](), [Mobile](), [Latency](), [Flutter](), [Monitoring](), [Web](), [iOS](), [Unity]() Tags: [ai](), [ai-logic](), [android](), [api](), [app-check](), [firebase](), [firebase-ai-logic](), [flutter](), [gemini](), [ios](), [latency](), [monitoring](), [multimodal](), [remote-config](), [sdks](), [unity](), [web]() ### AI overview Firebase AI Logic client SDKs now provide mobile and web developers access to Gemini 3 Pro preview through the Gemini API on the Blaze plan. The SDKs support capabilities including improved thinking, function calling, thought signatures, and higher-resolution multimodal input, with tradeoffs involving token usage and latency. ### Source excerpt News, tutorials, and updates from the Firebase team. ## Securing a retail AI endpoint from abuse for virtual try on DevFeed: [Securing a retail AI endpoint from abuse for virtual try on]() Original publisher: [Read original article]() Author: Alexander Nohe Published: 2025-11-11T00:00:00Z Content type: tutorial Language: en Sources: [Firebase Blog]() Topics: [Artificial Intelligence](), [Firebase](), [Authentication](), [Back end](), [Code](), [cURL]() Tags: [ai](), [app-check](), [attestation](), [authentication](), [backend](), [code](), [curl](), [devices](), [firebase](), [generation](), [genkit](), [how-to](), [image](), [model](), [rate-limiting](), [retail](), [server](), [token]() ### AI overview A tutorial on protecting a Firebase AI endpoint for a virtual try-on application. It explains using App Check, replay-protected tokens, authentication, and rate limiting to reduce unauthorized access, replayed requests, and excessive generation costs. ### Source excerpt Learn how to protect expensive AI features from abuse using Firebase App Check, Authentication, and rate limiting to ensure only legitimate users can access them. ## Adding AI-powered star-rating suggestions to reviews with Firebase AI Logic DevFeed: [Adding AI-powered star-rating suggestions to reviews with Firebase AI Logic]() Original publisher: [Read original article]() Author: Alexander Nohe; Jeff Huleatt Published: 2025-10-01T00:00:00Z Content type: tutorial Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Artificial Intelligence](), [Google AI](), [API keys](), [Generative AI]() Tags: [ai](), [ai-logic](), [api-keys](), [app-check](), [firebase](), [firestore](), [gemini](), [hybrid-inference](), [mcp](), [on-device-ai](), [react](), [recaptcha](), [security-rules](), [tutorials]() ### AI overview This tutorial explains how the Friendly Eats app uses Firebase AI Logic to suggest a star rating while a user writes a review. It discusses choosing a client-side SDK, protecting Gemini API keys through a proxy, using on-device models when available, securing requests with Firebase App Check, and balancing model cost, speed, and quality. ### Source excerpt News, tutorials, and updates from the Firebase team. ## New Firebase AI Logic features to explore - September 2025 updates DevFeed: [New Firebase AI Logic features to explore - September 2025 updates]() Original publisher: [Read original article]() Author: Miguel Ramos; Rachel Saunders Published: 2025-09-10T00:00:00Z Content type: release Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Artificial Intelligence](), [SDKs](), [On-device AI](), [Image](), [API](), [Web](), [Android](), [Flutter](), [Unity](), [Chrome]() Tags: [ai](), [ai-logic](), [android](), [api](), [app-check](), [debug](), [firebase](), [firebase-ai-logic](), [flutter](), [gemini](), [hybrid-inference](), [image](), [images](), [inference](), [js](), [news](), [observability](), [offline](), [on-device](), [on-device-ai](), [unity](), [updates]() ### AI overview Firebase AI Logic's September 2025 updates add Gemini Live API voice interactions, client-side image editing and generation with Imagen, Nano Banana image workflows, hybrid on-device inference for web apps, and additional monitoring and observability capabilities. ### Source excerpt News, tutorials, and updates from the Firebase team. ## What's new in Firebase at I/O 2025 DevFeed: [What's new in Firebase at I/O 2025]() Original publisher: [Read original article]() Author: Aja Hammerly; Seba Gnagnarella Published: 2025-05-20T10:51:00Z Content type: news Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Artificial Intelligence](), [Google](), [Figma](), [Firestore](), [Authentication](), [ui]() Tags: [2025](), [ai](), [ai-logic](), [app-check](), [app-development](), [app-hosting](), [authentication](), [cloud](), [code](), [data](), [database](), [design](), [development](), [emulator-suite](), [figma](), [firebase](), [firebase-ai-logic](), [firebase-studio](), [firestore](), [gemini](), [genkit](), [google](), [google-i-o](), [launch](), [mcp](), [news](), [phone-number-verification](), [postgresql](), [remote-config](), [sql-connect](), [terraform](), [unity](), [updates](), [vertex-ai]() ### AI overview Firebase's I/O 2025 updates introduce new Firebase Studio capabilities, including Gemini 2.5 support, Figma design import, image replacement, and automated backend setup with Firebase Authentication and Firestore integrations. ### Source excerpt News, tutorials, and updates from the Firebase team. ## Vertex AI in Firebase is now Generally Available DevFeed: [Vertex AI in Firebase is now Generally Available]() Original publisher: [Read original article]() Author: Miguel Ramos Published: 2024-10-21T00:00:00Z Content type: release Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Google AI](), [SDKs](), [API](), [JSON](), [Mobile](), [multimodal](), [Web]() Tags: [ai](), [ai-logic](), [android](), [api](), [app-check](), [cloud-storage](), [firebase](), [flutter](), [function-calling](), [gemini](), [generative-ai](), [ios](), [javascript](), [json](), [launch](), [mobile](), [multimodal](), [remote-config](), [sdks](), [structured-output](), [vertex-ai](), [web]() ### AI overview Firebase announces the general availability of Vertex AI in Firebase, enabling mobile and web apps to access Gemini models through Firebase client SDKs. The release includes support for multimodal prompting, system instructions, function calling, and structured JSON output with schemas. ### Source excerpt Securely add generative AI features to your app using Firebase client SDKs ## What's new in Firebase at I/O 2024 DevFeed: [What's new in Firebase at I/O 2024]() Original publisher: [Read original article]() Author: Frank van Puffelen; Marina Coelho; Rich Hyndman Published: 2024-05-14T06:00:00Z Content type: release Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Artificial Intelligence](), [PostgreSQL](), [API](), [Databases](), [GraphQL](), [SDKs](), [SQL](), [Cloud](), [NoSQL](), [Embeddings]() Tags: [ai](), [ai-logic](), [api](), [app](), [app-check](), [app-development](), [app-hosting](), [cloud](), [crashlytics](), [data](), [database](), [developers](), [embeddings](), [feature-rollouts](), [firebase](), [firestore](), [gemini](), [genkit](), [google](), [google-i-o](), [graphql](), [launch](), [postgresql](), [remote-config](), [sdks](), [sql](), [sql-connect](), [vertex-ai]() ### AI overview Firebase announces product and feature updates at Google I/O 2024, including Firebase Data Connect, which brings PostgreSQL databases hosted on Cloud SQL to Firebase. Data Connect uses a GraphQL-based language to generate databases, API servers, and strongly typed SDKs, and can automatically synchronize changes across them. ### Source excerpt New logo, more AI, and... wait for it - SQL - oh my! ## Introducing Vertex AI for Firebase DevFeed: [Introducing Vertex AI for Firebase]() Original publisher: [Read original article]() Author: Miguel Ramos; Rachel Saunders Published: 2024-05-14T03:00:00Z Content type: release Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Google AI](), [SDKs](), [API](), [Mobile](), [Web]() Tags: [ai](), [ai-logic](), [api](), [app-check](), [cloud-storage](), [firebase](), [firebase-remote-config](), [gemini](), [launch](), [machine-learning](), [mobile](), [remote-config](), [sdks](), [vertex](), [vertex-ai](), [web]() ### AI overview Google introduces Vertex AI for Firebase, providing client SDKs that let mobile and web applications use the Vertex AI Gemini API and run inference across Gemini models without requiring a separate backend service layer. ### Source excerpt Build AI features with the Vertex AI Gemini API using Firebase's new client SDKs ## App Check comes to Google Identity for iOS! DevFeed: [App Check comes to Google Identity for iOS!]() Original publisher: [Read original article]() Author: Victor Fan; Charlotte Liang Published: 2024-02-20T00:00:00Z Content type: release Language: en Sources: [Firebase Blog]() Topics: [Google](), [iOS](), [OAuth](), [Authentication]() Tags: [app-check](), [authentication](), [firebase](), [google](), [ios](), [launch](), [oauth](), [preview](), [security](), [swift]() ### AI overview Firebase App Check is available in public preview for Google Identity for iOS. It uses Apple's App Attest service to help protect iOS OAuth clients by rejecting requests without a valid App Check token, with enforcement configurable per OAuth client. ### Source excerpt App Check enters beta support for Google Identity for iOS. ## Firebase updates announced at Google I/O 2023 include PaLM API Extensions and full-stack development improvements DevFeed: [Firebase updates announced at Google I/O 2023 include PaLM API Extensions and full-stack development improvements]() Original publisher: [Read original article]() Author: Dmitry Lyalin Published: 2023-05-10T00:00:00Z Content type: release Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Google](), [Extension](), [Generative AI](), [PaLM API](), [Firestore](), [Development](), [Serverless]() Tags: [ai](), [android](), [app-check](), [app-distribution](), [astro](), [cloud-functions](), [crashlytics](), [extension](), [extensions](), [firebase](), [firestore](), [flutter](), [full-stack-development](), [generative-ai](), [google](), [google-i-o](), [ios](), [launch](), [palm](), [palm-api](), [performance-monitoring](), [python](), [remote-config](), [serverless](), [svelte](), [terraform](), [updates](), [vue](), [web]() ### AI overview Firebase announces Google I/O 2023 updates including new generative AI Extensions powered by the PaLM API, a preview of the Chatbot with PaLM API extension, and improvements intended to simplify full-stack development. ### Source excerpt Everything we shipped! From AI Extensions to launches that simplify full stack development ## Everything we announced at the Google for Games Developer Summit DevFeed: [Everything we announced at the Google for Games Developer Summit]() Original publisher: [Read original article]() Author: Joe Spiro Published: 2023-03-16T00:00:00Z Content type: news Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Game Development](), [Google](), [Crashlytics](), [Cloud](), [Machine learning]() Tags: [app-check](), [crashlytics](), [firebase](), [firestore](), [game-development](), [games](), [google](), [google-cloud](), [launch](), [machine-learning]() ### AI overview Firebase recaps announcements from the Google for Games Developers Summit, including App Check support for game development, Crashlytics enhancements for stability, and machine-learning features for optimizing advertising experiences and revenue. ### Source excerpt A lightweight, standalone REST-only Firestore SDK at a fraction of the regular Web SDK size. ## Using Cloud Monitoring to monitor App Check and Security Rules DevFeed: [Using Cloud Monitoring to monitor App Check and Security Rules]() Original publisher: [Read original article]() Author: Shruti Padamata Published: 2022-12-05T00:00:00Z Content type: tutorial Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Monitoring](), [Grafana Cloud Metrics](), [Security](), [Authorization](), [dashboards]() Tags: [app-check](), [cloud](), [cloud-monitoring](), [dashboards](), [firebase](), [firestore](), [incident](), [metrics](), [notify](), [security](), [security-rules]() ### AI overview A tutorial on using Cloud Monitoring with Firebase to monitor App Check and Security Rules. It explains where to find rules evaluation metrics, how to analyze them, and how to create an alerting policy for sustained spikes in denied evaluations. ### Source excerpt Learn how to monitor security metrics and set up alerting policies with Cloud Monitoring and Firebase. ## What's new at Firebase Summit 2022 DevFeed: [What's new at Firebase Summit 2022]() Original publisher: [Read original article]() Author: Kara Yu Published: 2022-10-18T00:00:00Z Content type: news Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Angular](), [Next.js](), [Deployment]() Tags: [android](), [app-check](), [authentication](), [c-plus-plus](), [c-sharp](), [cloud-functions](), [cloud-messaging](), [cloud-storage](), [crashlytics](), [deployment](), [extensions](), [firebase](), [firebase-summit](), [firestore](), [flutter](), [games](), [google-analytics](), [in-app-messaging](), [machine-learning](), [news](), [performance-monitoring](), [personalization](), [realtime-database](), [remote-config](), [unity](), [updates](), [web]() ### AI overview Firebase's 2022 Summit article announces platform updates, including preview support in Firebase Hosting for deploying dynamic web frameworks such as Next.js and Angular Universal through the Firebase CLI. ### Source excerpt News, tutorials, and updates from the Firebase team. ## What's new from Firebase at Google I/O 2022 DevFeed: [What's new from Firebase at Google I/O 2022]() Original publisher: [Read original article]() Author: Tyler Crowe Published: 2022-05-11T00:00:00Z Content type: news Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Extension](), [Google](), [App](), [Development]() Tags: [android](), [app-check](), [app-development](), [app-distribution](), [apps](), [crashlytics](), [emulator-suite](), [extension](), [extensions](), [firebase](), [flutter](), [google](), [google-i-o](), [hosting](), [ios](), [news](), [performance-monitoring](), [swift](), [updates](), [web]() ### AI overview Firebase announces updates presented at Google I/O 2022, including Extension events, third-party extensions, and integrations intended to support app development and customization. ### Source excerpt News, tutorials, and updates from the Firebase team. ## What's new at Firebase Summit 2021 DevFeed: [What's new at Firebase Summit 2021]() Original publisher: [Read original article]() Author: Kristen Richards Published: 2021-11-10T00:00:00Z Content type: news Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Extension](), [stripe](), [Firestore](), [Google](), [GitHub]() Tags: [android](), [app-check](), [authentication](), [c-plus-plus](), [c-sharp](), [cloud-functions](), [cloud-messaging](), [cloud-storage](), [crashlytics](), [development](), [extension](), [extensions](), [firebase](), [firebase-summit](), [firestore](), [flutter](), [games](), [github](), [google-analytics](), [in-app-messaging](), [machine-learning](), [news](), [performance-monitoring](), [personalization](), [platform](), [realtime-database](), [remote-config](), [sendgrid](), [stripe](), [unity](), [updates](), [web]() ### AI overview Firebase Summit 2021 introduced platform updates focused on accelerating app development, operating apps with confidence, and scaling them. The article highlights new Firebase Extensions for e-commerce, payments, messaging, merchandise, and Cloud Firestore search. ### Source excerpt News, tutorials, and updates from the Firebase team. ## Protecting your backends with Firebase App Check DevFeed: [Protecting your backends with Firebase App Check]() Original publisher: [Read original article]() Author: Alex Volkovitsky; Victor Fan Published: 2021-10-12T00:00:00Z Content type: tutorial Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [backends](), [Node.js](), [Express](), [SDKs](), [JSON Web Tokens](), [Cloud Functions](), [Cloud Run]() Tags: [admin-sdk](), [apigee](), [app-check](), [backends](), [best-practices](), [cloud-functions](), [cloud-run](), [express](), [firebase](), [jwt](), [node-js](), [tutorials]() ### AI overview This tutorial explains how Firebase App Check protects Firebase APIs and custom backend resources from abuse. It covers sending and validating App Check tokens, including verification in Node.js backends with Express middleware and the Firebase Admin SDK. ### Source excerpt News, tutorials, and updates from the Firebase team. ## New features in App Check beta DevFeed: [New features in App Check beta]() Original publisher: [Read original article]() Author: Tyler Crowe Published: 2021-08-03T00:00:00Z Content type: news Language: en Sources: [Firebase Blog]() Topics: [Firebase](), [Security](), [iOS](), [API](), [Cloud Functions](), [Realtime Database](), [Cloud Run](), [Node.js]() Tags: [admin-sdk](), [api-security](), [app-attestation](), [app-check](), [apple](), [attestation](), [cloud](), [cloud-functions](), [cloud-run](), [firebase](), [launch](), [news](), [node-js](), [realtime-database](), [updates]() ### AI overview Firebase announces three additions to the App Check beta: iOS App Attest support, configurable token time-to-live values, and protection for non-Firebase backends. The article also explains how these features affect security, responsiveness, quota usage, and supported providers. ### Source excerpt News, tutorials, and updates from the Firebase team. [Next page]()