Substack RSS Feeds

Per-publication public RSS feeds available at https://{publication}.substack.com/feed for syndication and read-only access to posts. RSS 2.0 with the content, dc, atom and itunes namespaces; no credential required. Podcast subscribers additionally receive a private per-subscriber feed whose contents depend on their subscription tier.

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/substack-rss-feeds"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

apis.yml Raw ↑
name: Substack RSS Feeds
description: Per-publication public RSS feeds available at https://{publication}.substack.com/feed for
  syndication and read-only access to posts. RSS 2.0 with the content, dc, atom and itunes namespaces;
  no credential required. Podcast subscribers additionally receive a private per-subscriber feed whose
  contents depend on their subscription tier.
humanURL: https://support.substack.com/hc/en-us/articles/360038239391-Is-there-an-RSS-feed-for-my-publication
baseURL: https://{publication}.substack.com
tags:
- RSS
- Read Only
- Syndication
tags_raw:
- RSS
- Read-Only
- Syndication
properties:
- type: Documentation
  url: https://support.substack.com/hc/en-us/articles/360038239391-Is-there-an-RSS-feed-for-my-publication
- type: Documentation
  name: Podcast RSS feeds and paid content
  url: https://support.substack.com/hc/en-us/articles/360041722272-Will-my-Podcast-RSS-feed-show-paid-only-content