# Monitor a Substack newsletter for new posts

**Use case:** 

Track a Substack publication and capture only new posts each run: title, URL, date, audience, reactions, restacks and comment count.

## Input

```json
{
  "searchQueries": [
    "artificial intelligence"
  ],
  "startUrls": [
    "https://newsletter.pragmaticengineer.com"
  ],
  "maxPublications": 100,
  "includePosts": true,
  "maxPostsPerPublication": 20,
  "includePostContent": false,
  "includeRecommendations": false,
  "includeAuthorProfiles": false,
  "enrichContactEmails": false,
  "onlyPaidPublications": false,
  "minFreeSubscribers": 0,
  "monitorMode": true,
  "monitorStoreName": "substack-monitor",
  "maxConcurrency": 5,
  "proxyConfiguration": {
    "useApifyProxy": true
  }
}
```

## Output

```json
{
  "type": {
    "label": "Type"
  },
  "publicationName": {
    "label": "Newsletter"
  },
  "title": {
    "label": "Post"
  },
  "url": {
    "label": "URL",
    "format": "link"
  },
  "postDate": {
    "label": "Published"
  },
  "audience": {
    "label": "Audience"
  },
  "isPaid": {
    "label": "Paid?"
  },
  "postType": {
    "label": "Type"
  },
  "reactionCount": {
    "label": "Reactions"
  },
  "restacks": {
    "label": "Restacks"
  },
  "commentCount": {
    "label": "Comments"
  },
  "wordCount": {
    "label": "Words"
  }
}
```

## About this Actor

This example demonstrates how to use [Substack Scraper — Newsletters, Posts & Creator Leads](https://apify.com/scrapesage/substack-scraper) with a specific input configuration. Visit the [Actor detail page](https://apify.com/scrapesage/substack-scraper) to learn more, explore other use cases, and run it yourself.