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wtf is substack-feed-api?

patrickjs/substack-feed-api — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2024-10-24

Audience · developerComplexity · 1/5StaleSetup · easy

TL;DR

A TypeScript API that fetches and parses a Substack newsletter's RSS feed into a clean, structured format so you can pull its posts into your own app.

Mindmap

mindmap
  root((substack-feed-api))
    What it does
      Fetches Substack RSS
      Parses into structured data
      Simple newsletter name input
    Tech stack
      TypeScript
      RSS feeds
      npm package
    Use cases
      Content aggregator apps
      Newsletter databases
      Personal reading dashboards
    Audience
      Developers
      Vibe coders
    Notes
      Flexible and customizable
      Type definitions included

Code map

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filefunction / class

Why would anyone build with this?

REASON 1

Build a content aggregator that automatically pulls in the latest posts from recommended Substack newsletters.

REASON 2

Create a personal dashboard that combines content from multiple Substack newsletters you follow.

REASON 3

Build a newsletter database or custom reader tool without writing your own RSS parsing logic.

What's in the stack?

TypeScriptnpm

How it stacks up

patrickjs/substack-feed-api0verflowme/alarm-clock0verflowme/seclists
Language—CSS—
Last pushed2024-10-242022-10-032020-05-03
MaintenanceStaleDormantDormant
Setup difficultyeasyeasyeasy
Complexity1/52/51/5
Audiencedevelopervibe coderops devops

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · easy Time to first run · 5min

Yoink these prompts

Prompt 1
Show me how to install substack-feed-api with npm and fetch the latest posts from a given newsletter name.
Prompt 2
Help me build a simple content aggregator that displays posts from several Substack newsletters using this API.
Prompt 3
Explain what structured data substack-feed-api returns for a newsletter post, using its TypeScript types.
Prompt 4
Walk me through customizing substack-feed-api's output format to fit my own app's data model.

Frequently asked questions

wtf is substack-feed-api?

A TypeScript API that fetches and parses a Substack newsletter's RSS feed into a clean, structured format so you can pull its posts into your own app.

Is substack-feed-api actively maintained?

Stale — no commits in 1-2 years (last push 2024-10-24).

How hard is substack-feed-api to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is substack-feed-api for?

Mainly developer.

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