How to Setup Substack with OpenAI API (2026 Guide)

Substack

★★★★ 4.3

Email Marketing Newsletter

Publishing platform enabling writers to create paid newsletter subscriptions with built-in payment processing.

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OpenAI API

AI platform providing GPT models for text generation, embeddings, and more.

All OpenAI API Tools

About Substack

Publishing platform enabling writers to create paid newsletter subscriptions with built-in payment processing.

Key Features

Newsletter publishing
Paid subscriptions
Podcasts
Notes
Chat
Mobile app
Recommendations

Pricing

Freemium 10% of revenue

Detailed setup guide coming soon. We're researching the specific steps to connect Substack with OpenAI API — including whether there's a native integration, third-party connectors like Zapier, or API-based setup. Check back for a complete step-by-step guide.

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