
Async
Website: async.com
About Async
Async (formerly Podcastle) empowers creators and teams by radically simplifying the end-to-end content creation process. The streamlined suite of AI-powered tools enables users to record, edit, transcribe, and publish audio & video content with unmatched simplicity. Backed by Tier-1 investors, including Andrew Ng’s AI Fund, Mosaic Ventures, RTP Global, Point Nine, and Sierra Ventures, the company has raised a total of $23.5M in funding to date. In 2024, the company closed a $13.5M Series A to scale its AI content creation platform.
Latest news
- Jan 20: Podcastle has rebranded as Async, reflecting the wider set of tools the company makes available. The company first launched Async as a voice API back in July.
- Dec 16, 2025: Podcastle has launched Async Intelligence, a tool that watches your video content and suggests edits to make for better engagement. It's been trained with 500,000 hours of content, and more than a million sets of engagement signals.
- Jul 7, 2025: Podcastle has launched what it describes as a premium AI voice API, called Async. The tool allows developers to offer instant voice cloning, broadcast-quality voices, and real-time, low-latency performance.
Data credits: Podnews newsletter