DeepInfra offers an API service that enables users to utilize OpenAI's Whisper, a Speech-To-Text model, for converting audio files into text with timestamp segmentation by sentence or word. Users need to create an API key through their DeepInfra account to authenticate requests, and the service supports various model sizes and language variants. The platform provides a REST API endpoint for using Whisper's speech recognition capabilities, with detailed documentation available for additional parameters and usage examples. DeepInfra emphasizes its affordable AI hosting with a fully managed GPU infrastructure, promising enterprise-grade uptime, and invites users to contact their sales team for further inquiries or reach out via their Discord server for support.