Welcome to the SubstackAPI documentation!
SubstackAPI helps newsletter owners grow their newsletters by providing tools that extend Substack’s current functionality.
G'day my name's Gideon, thanks for checking out substackapi.com! I created this site as a place to share tools I've developed in hopes that others may find them useful.
✨ Free tools
🚀 Paid growth tools
📖 Growth Tool Guides
How to Embed your Substack Feed on any WebsiteHow to Embed Substack Signup Form in any Website📰 Substack Guides
How to change your Substack URL 2025How to set up a Substack custom domain 2025❔FAQs
How do I request tools or features?
👨💻 Get in touch
Tweet me at @0xGideon. Or email me at [email protected] 🤙