Developed a production-grade real-time speech-to-text service for AI agents within the coinbase/x402 repository, delivering a robust STT pipeline that enables immediate transcription and audio intelligence across the ecosystem. The solution integrated live audio input with real-time transcription, supporting downstream analytics and agent workflows. Leveraging skills in API integration, data management, and full stack development, the work focused on seamless ecosystem integration and reliable streaming of transcription data. JSON was used for data interchange, ensuring compatibility and efficiency. This feature established a foundation for advanced real-time agent interactions, positioning the platform to support future enhancements in audio-driven AI capabilities.