Substack API Wrapper

Overview

Substack API Wrapper is a free public API in the News category. Substack’s newsletter platform now has an API wrapper, for easy access to latest posts.

News APIs deliver headlines and articles to aggregators, dashboards, and automated research pipelines.

You can use this API in prototypes, side projects, and production applications — just keep the provider’s usage policy in mind.

Authentication

Substack API Wrapper requires no authentication — you can start calling it directly, which makes it great for quick experiments and client-side demos.

HTTPS & CORS

• HTTPS: not supported — Substack API Wrapper is served over plain HTTP only. Avoid sending sensitive data, and prefer HTTPS endpoints where possible.
• CORS: unknown — if you plan to call Substack API Wrapper from the browser, verify CORS support in the official docs or with a quick test request.

Getting Started

1. Read the official documentation: https://github.com/NHagar/substack_api
2. Make a test request with curl or your favourite HTTP client.

Rate Limits & Notes

• Rate limits, quotas, and free-tier terms are defined by the provider — always check the official documentation for Substack API Wrapper before scaling up.
• The upstream listing is community-maintained; fields like auth, HTTPS and CORS reflect the state at listing time and may change.

FAQ

Does Substack API Wrapper require an API key?

No — Substack API Wrapper is listed as a no-auth API, so you can call it directly.