# AI Voice with Real-time API - Spline (https://spline.design/solutions/ai-voice-with-real-time-api) > Create dynamic 3D visualizations for voice interfaces that respond to AI voice input through real-time APIs. [Solutions](https://spline.design/solutions)Use CasesAI Voice with Real-time API # Enhance applications with 3D AI voice experiences Design interactive, real-time AI voice interfaces that transform audio into compelling visual experiences. Create responsive 3D visualizations that react to voice input through APIs, enhancing engagement and usability across voice-enabled applications. [Start building](https://app.spline.design/)[All solutions](https://spline.design/solutions) Forward-thinking voice applications use 3D visualization for better engagement. Workflow ## How AI voice visualizations go from concept to integration Spline simplifies the entire pipeline for creating 3D voice-reactive experiences from initial design to API integration with your voice technologies. 1. 01 ### Ideate Begin your journey by exploring our library of audio-reactive 3D templates and visualization assets. Sketch your voice interface vision in 2D or 3D, experiment with different audio-responsive elements, and rapidly iterate to perfectly represent voice interactions. 2. 02 ### Design Transform your concepts into dynamic AI voice visualizations with responsive animations and visuals. Add smooth transitions and interactive elements that react to voice input through APIs, allowing users to experience meaningful visual feedback to their audio interactions. 3. 03 ### Ship to Production Integrate your interactive AI voice visualizations seamlessly with real-time APIs across web and mobile platforms. Export optimized code or use our real-time web embeds to incorporate voice-reactive visuals that respond instantly to user input. Community ## Remix AI Voice Visualizations from the Community Discover audio-reactive 3D templates to jumpstart your interactive, real-time AI voice visualization experiences. - [Remix in Spline](https://app.spline.design/community/file/2ce6351a-d7a5-4c4e-bf13-75bc9f841891) - [Remix in Spline](https://app.spline.design/community/file/dda66b9f-00c8-483a-816c-30a1f2fe503e) - [Remix in Spline](https://app.spline.design/community/file/615b9422-9985-43f6-8593-d7d7bc3b0be1) FAQ ## Questions, answered Can I create AI voice visualizations for free? Yes! Spline offers a free plan that lets you explore audio-reactive 3D design, create interactive voice visualizations, and publish them directly to the web. Perfect for prototyping voice interfaces, audio visualization, and interactive voice demonstrations. How can I start creating interactive 3D AI voice visualizations? Getting started is straightforward. Begin with an audio-reactive template or remix a scene from the Spline Community, or start from scratch with 2D or 3D tools. You can build and preview your voice visualization directly in the browser, then connect to APIs for real-time functionality. What is Spline and how does it work with voice APIs? Spline is a powerful 3D design tool optimized for creating interactive audio-visual experiences. It enables you to design voice-responsive experiences, add dynamic animations, create smooth transitions, and implement API-connected features. All in a visual, real-time editor that works directly in your browser. What formats and APIs does Spline support for voice applications? Spline supports a wide range of 3D, media file formats, and API integrations essential for voice applications. You can import .spline scenes, .glTF, .GLB, .FBX, .OBJ files, and connect to OpenAI's voice APIs. Audio formats such as .MP3 and .WAV can be used for testing. When ready, export production-ready scenes that can connect to voice services through APIs for real-time visualization. Can I use Spline for voice assistant interfaces? Absolutely! Spline is ideal for creating interactive 3D visualizations that enhance voice assistant interfaces, chatbots, and voice-enabled applications. It helps developers create visual feedback that corresponds to voice interactions, improving user experience and comprehension. Spline bridges the gap between audio and visual with powerful 3D technology. Do I need coding skills to create AI voice visualizations in Spline? Basic coding knowledge might be helpful for API integration, but Spline's intuitive visual interface lets designers create stunning voice-reactive visuals without code. For developers, Spline offers code export options for deeper API integration and customization. This flexibility makes it suitable for both design-focused creators and technical developers building voice applications. ## Transform Your Voice Applications Superpower your AI voice interfaces by delivering interactive 3D visualizations that respond to real-time voice input through APIs. [Start building](https://app.spline.design/signin)[Connect your agent](https://spline.design/mcp) [Spline](https://spline.design/) The 3D and 2D editor for teams and their agents. 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