Substack is bringing sponsorships to podcasts hosted on its platform, the company’s Head of Video, Zach Taylor, announced in a post this week. 

The rollout centers on three capabilities: dynamic ad insertion that lets podcasters update sponsor messages across their back catalog without re-editing old episodes, an optional connection to third-party sponsorship marketplaces to fill available ad breaks, and the ability to organize paying subscribers into dedicated community channels.

Podcasters will retain control over participation, according to the announcement, choosing whether to run sponsorships at all, which tools to use, and which sponsor categories they will accept. Substack opened signups for early access to dynamic ad insertion and said it recently earned IAB Tech Lab certification for its podcast download measurement, giving creators standardized data to use when pitching sponsors.

The sponsorship push extends a model Substack’s Head of Sponsorships, Dan Robbins, outlined for writers, and applies it to audio. Podcasts including “Split Zone Duo,” “The Dwarkesh Patel Podcast,” and “Pantsuit Politics” are already building shows and subscriber communities on the platform. Substack said podcasters publishing on its service collectively generate more than $200 million annually from subscriptions alone, and pointed to creators such as Scott Galloway, who offers paid subscribers ad-free and bonus episodes, and Shea Serrano, who uses Substack Chat to bring subscribers into the conversation.

Substack has built out its podcast infrastructure incrementally since introducing audio support in 2019, adding RSS feed enablement, a built-in recording studio, a podcast leaderboard, and a discovery-focused Podcast Tab in its app. The sponsorship tools announced this week are a preview, the company said, of a broader monetization toolkit still in development.

The move comes months after beehiiv launched native podcast hosting with no download-based pricing, per-episode fees, or storage caps, a model CEO Tyler Denk positioned explicitly against Patreon and Substack’s revenue-share approach. Denk told TechCrunch in April that newsletters and podcasts share the same underlying structure: episodic, long-form content distributed to an owned audience and monetized through sponsorship, and said beehiiv planned to build its own dynamic ad-serving capability and hire a head of podcasts. 

Substack’s answer keeps its existing revenue-share model in place but adds the ad-insertion and marketplace infrastructure that beehiiv has also been developing, while continuing to build out paid subscriptions and community tools, such as Chat Channels, that anchor its pitch to podcasters.

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