Substack Posts Scraper 📚

Powerful scraper for extracting posts and articles from Substack based on keywords. Get detailed information about posts, publications, and authors with advanced search capabilities.

Features ✨

• 🔍 Search posts by keywords
• 📊 Extract comprehensive post metadata
• 🎙️ Support for podcast episodes data
• 👥 Get author and publication details
• ❤️ Capture engagement metrics (reactions, comments)
• 🔄 Auto-scrolling for pagination
• ⚡ High-performance with Puppeteer
• 🛡️ Built-in anti-detection mechanisms

Output Data Structure 📋

The actor provides rich post data including:

• Post title, subtitle, and description
• Publication details
• Author information
• Podcast episode data (if applicable)
• Cover images and media
• Engagement metrics
• Tags and categories
• Publication timestamps
• And much more!

Usage 💡

Simply provide:

1. Keywords to search for
2. Maximum number of items to scrape (optional)

The actor will automatically:

• Search Substack for your keywords
• Scroll through results
• Extract detailed post information
• Handle pagination
• Export structured JSON data

Use Cases 🎯

• Content Research
• Market Analysis
• Topic Monitoring
• Audience Engagement Analysis
• Content Aggregation
• Newsletter Analytics
• Competitive Analysis

Limitations ⚠️

• Respects Substack's terms of service
• Public posts only
• Rate limiting applied for stability

Input Example

A full explanation of an input example in JSON.

1{
2    "keywords": [
3        "ai"
4    ],
5    "maxItems": 50
6}

Output sample

The results will be wrapped into a dataset which you can always find in the Storage tab. Here's an excerpt from the data you'd get if you apply the input parameters above:

And here is the same data but in JSON. You can choose in which format to download your data: JSON, JSONL, Excel spreadsheet, HTML table, CSV, or XML.

1[
2    {
3        "keyword": "ai",
4        "id": 156491923,
5        "editor_v2": false,
6        "publication_id": 2270667,
7        "title": "New AI image models, free AI music generators, GPT can THINK now, new top AI models, DeepSeek Janus",
8        "social_title": null,
9        "search_engine_title": null,
10        "search_engine_description": null,
11        "type": "podcast",
12        "slug": "new-ai-image-models-free-ai-music",
13        "post_date": "2025-02-04T23:10:38.722Z",
14        "audience": "everyone",
15        "podcast_duration": 2684.9436,
16        "video_upload_id": null,
17        "podcast_upload_id": "06e2c81a-16e8-4c32-a936-a1f89d596005",
18        "write_comment_permissions": "everyone",
19        "should_send_free_preview": false,
20        "free_unlock_required": false,
21        "default_comment_sort": null,
22        "canonical_url": "https://aisearch.substack.com/p/new-ai-image-models-free-ai-music",
23        "section_id": null,
24        "top_exclusions": [],
25        "pins": [],
26        "is_section_pinned": false,
27        "section_slug": null,
28        "section_name": null,
29        "reactions": {
30            "❤": 0
31        },
32        "restacked_post_id": null,
33        "restacked_post_slug": null,
34        "restacked_pub_name": null,
35        "restacked_pub_logo_url": null,
36        "position": 1,
37        "subtitle": "Welcome to the AI Search podcast. Here are the top highlights in AI this week.",
38        "cover_image": "https://substack-post-media.s3.amazonaws.com/public/images/1d231857-e4ee-468b-b626-0deb428ee7d6_1400x1400.png",
39        "cover_image_is_square": true,
40        "cover_image_is_explicit": false,
41        "podcast_episode_image_url": "https://substack-post-media.s3.amazonaws.com/public/images/1d231857-e4ee-468b-b626-0deb428ee7d6_1400x1400.png",
42        "podcast_episode_image_info": {
43            "url": "https://substack-post-media.s3.amazonaws.com/public/images/1d231857-e4ee-468b-b626-0deb428ee7d6_1400x1400.png",
44            "isDefaultArt": false,
45            "isDefault": false
46        },
47        "podcast_url": "https://api.substack.com/api/v1/audio/upload/06e2c81a-16e8-4c32-a936-a1f89d596005/src",
48        "videoUpload": null,
49        "podcastFields": {
50            "post_id": 156491923,
51            "podcast_episode_number": null,
52            "podcast_season_number": null,
53            "podcast_episode_type": null,
54            "should_syndicate_to_other_feed": null,
55            "syndicate_to_section_id": null,
56            "hide_from_feed": false,
57            "free_podcast_url": null,
58            "free_podcast_duration": null
59        },
60        "podcast_preview_upload_id": null,
61        "podcastUpload": {
62            "id": "06e2c81a-16e8-4c32-a936-a1f89d596005",
63            "name": "news-24.mp3",
64            "created_at": "2025-02-04T23:09:13.865Z",
65            "uploaded_at": "2025-02-04T23:09:23.872Z",
66            "publication_id": 2270667,
67            "state": "transcoded",
68            "post_id": 156491923,
69            "user_id": 191014175,
70            "duration": 2684.9436,
71            "height": null,
72            "width": null,
73            "thumbnail_id": 1,
74            "preview_start": null,
75            "preview_duration": null,
76            "media_type": "audio",
77            "primary_file_size": "42959560",
78            "is_mux": false,
79            "mux_asset_id": null,
80            "mux_playback_id": null,
81            "mux_preview_asset_id": null,
82            "mux_preview_playback_id": null,
83            "mux_rendition_quality": null,
84            "mux_preview_rendition_quality": null,
85            "explicit": false,
86            "copyright_infringement": null,
87            "src_media_upload_id": null,
88            "live_stream_id": null,
89            "transcription": {
90                "media_upload_id": "06e2c81a-16e8-4c32-a936-a1f89d596005",
91                "created_at": "2025-02-04T23:10:05.279Z",
92                "requested_by": 191014175,
93                "status": "transcribed",
94                "modal_call_id": "fc-01JK9KMQDG2KRT327JTSR976DS",
95                "approved_at": "2025-02-04T23:12:43.876Z",
96                "transcript_url": "s3://substack-video/video_upload/post/156491923/06e2c81a-16e8-4c32-a936-a1f89d596005/1738710621/transcription.json",
97                "attention_vocab": null,
98                "speaker_map": null,
99                "captions_map": {
100                    "en": {
101                        "url": "s3://substack-video/video_upload/post/156491923/06e2c81a-16e8-4c32-a936-a1f89d596005/1738710621/en.vtt",
102                        "language": "en",
103                        "original": true
104                    }
105                },
106                "cdn_url": "https://substackcdn.com/video_upload/post/156491923/06e2c81a-16e8-4c32-a936-a1f89d596005/1738710621/transcription.json?Expires=1739315665&Key-Pair-Id=APKAIVDA3NPSMPSPESQQ&Signature=kkyvVNWtOpL1VD3Y4n0LkIioiMU3r10tYrBXXlrNC927uzauCnLvzbp4j4-VU5UBwCm5HTayghaSnVeUPWfr6GPD-YTYgeHufNrkwCtmgqinTner3DwKh7z4EsvxbTkH58qXOAR82qLG8MHuu~iSTsXJ5CARuEeGPTW121bHK74poh6QH6jMT3iW-8qqRv4VP4aioSWL8OQyolUxoalTWSiejR6RE9RTxdRUMUbg8pk60GN3nzq3NTRff0qiZtnwJuvh~-A0L4FiTCiNtdFJsHOfYmcieyRydEDj7rHLsgY7yzuFXnsQx2qau9aoF79XAsJ5s4T1EySb~vg7fMTPNQ__",
107                "cdn_unaligned_url": "https://substackcdn.com/video_upload/post/156491923/06e2c81a-16e8-4c32-a936-a1f89d596005/1738710621/unaligned_transcription.json?Expires=1739315665&Key-Pair-Id=APKAIVDA3NPSMPSPESQQ&Signature=TpwJtOqaEBWXzOc2orXqEOjPumCJZzfg0wCNb22pdu~T8GQ2PCRcJaPAd6qZZzEPMFLsHbtiEvxC23ZIiD4D6ft94TvlQVYJV~TKKfTy0nC8Ut77ni9FJvzfRQhfYw1tUPdQ2mQEx2s5~TVCKlplUoaceWJ03B55xSURcT9apy4-8X2MjZk57O9Z-almjQ2QtkvxOUxNWvGiM1HN4RGKCPNfu211OpEn1rVMbmU~0WdZ3Sz7QaaXRnJbc3~tQKkev4MWXyq-E8lYa88lpNFj1LJnpF9piIAwfJUtkPym8SXdqiMLFHj0B7pBc4Th15eTUeL1MgdM145boHfnuAlP~w__",
108                "signed_captions": [
109                    {
110                        "language": "en",
111                        "url": "https://substackcdn.com/video_upload/post/156491923/06e2c81a-16e8-4c32-a936-a1f89d596005/1738710621/en.vtt?Expires=1739315665&Key-Pair-Id=APKAIVDA3NPSMPSPESQQ&Signature=JpSxDJtOUrhIB698DRiCsap2PZTwPNbQaH1zBYxivUyFGmr8oTHIU80z0SELPqmnsaJmpRTgXjuAKJMbBBMeZlg7FwCNAPxijb9jhS5Oai-SZrDKH4jG21RJwh2TiF0Yg0yp9kF0z8xpK56RzqeS7JCHUJG8iVQmjqSNrrvCVtOGBGN3fBIHlr7Z3RKioxD0grIAatAkDbCwjkc49~~XWa9hd-awKhqByx2o2w6uHlNfuC5ZRRpwnaiX8Ju6rxU9MwW24QQCKCpjbND6S6kaGJ-Z~N90shdh-fD31FymCJ4quq6M1JaEyonZIjcwyUc6FduiKeQi25x-MvUIITtrow__",
112                        "original": true
113                    }
114                ]
115            }
116        },
117        "podcastPreviewUpload": null,
118        "voiceover_upload_id": null,
119        "voiceoverUpload": null,
120        "has_voiceover": false,
121        "description": "Welcome to the AI Search podcast. Here are the top highlights in AI this week.",
122        "body_json": null,
123        "body_html": null,
124        "truncated_body_text": "INSANE AI news: OpenAI o3-mini, DeepSeek Janus-Pro, Qwen2.5-Max, Riffusion FUZZ, YuE AI music generator, Doubao 1.5 Pro, Google Daily Listen, Tulu 3",
125        "wordcount": 38,
126        "postTags": [
127            {
128                "id": "06ec7467-035f-41d3-aa2a-f2dafd005ba2",
129                "publication_id": 2270667,
130                "name": "research",
131                "slug": "research",
132                "hidden": false
133            },
134            {
135                "id": "134583b8-fd61-4289-83f8-2768f0e74637",
136                "publication_id": 2270667,
137                "name": "machine learning",
138                "slug": "machine-learning",
139                "hidden": false
140            },
141            {
142                "id": "3b762592-4665-4885-b8c3-5c01a13fbd93",
143                "publication_id": 2270667,
144                "name": "artificial intelligence",
145                "slug": "artificial-intelligence",
146                "hidden": false
147            },
148            {
149                "id": "aae204af-3183-4835-9184-ac27d860a342",
150                "publication_id": 2270667,
151                "name": "science",
152                "slug": "science",
153                "hidden": false
154            },
155            {
156                "id": "d07870f1-c05d-4f6b-9a7e-c94b7e0ba2c5",
157                "publication_id": 2270667,
158                "name": "tech",
159                "slug": "tech",
160                "hidden": false
161            },
162            {
163                "id": "e9d24f2a-02b0-4774-bc85-8b311ff1ab12",
164                "publication_id": 2270667,
165                "name": "ai",
166                "slug": "ai",
167                "hidden": false
168            }
169        ],
170        "teaser_post_eligible": true,
171        "postCountryBlocks": [],
172        "coverImagePalette": {
173            "Vibrant": {
174                "rgb": [
175                    60,
176                    180,
177                    252
178                ],
179                "population": 3621
180            },
181            "DarkVibrant": {
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183                    109,
184                    52,
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186                ],
187                "population": 14
188            },
189            "LightVibrant": {
190                "rgb": [
191                    100,
192                    196,
193                    252
194                ],
195                "population": 5
196            },
197            "Muted": {
198                "rgb": [
199                    164,
200                    87,
201                    108
202                ],
203                "population": 5
204            },
205            "DarkMuted": {
206                "rgb": [
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209                    61
210                ],
211                "population": 115
212            },
213            "LightMuted": {
214                "rgb": [
215                    218,
216                    174,
217                    194
218                ],
219                "population": 99
220            }
221        },
222        "publishedBylines": [
223            {
224                "id": 191014175,
225                "name": "AI Search",
226                "handle": "aisearch",
227                "previous_name": null,
228                "photo_url": "https://substack-post-media.s3.amazonaws.com/public/images/e1ef43b4-d382-41ad-8e0b-86080c6f0b2a_1400x1400.png",
229                "bio": "Stay up to date with AI news, tech, & research",
230                "profile_set_up_at": "2024-01-18T18:32:07.954Z",
231                "publicationUsers": [
232                    {
233                        "id": 2288577,
234                        "user_id": 191014175,
235                        "publication_id": 2270667,
236                        "role": "admin",
237                        "public": true,
238                        "is_primary": false,
239                        "publication": {
240                            "id": 2270667,
241                            "name": "AI Search",
242                            "subdomain": "aisearch",
243                            "custom_domain": null,
244                            "custom_domain_optional": false,
245                            "hero_text": "Welcome to the AI Search newsletter. We bring you the highlights in AI every week. No fluff, just the interesting stuff. \n\nSubscribe and get a FREE cheat sheet on the top 50 most useful AI tools!",
246                            "logo_url": "https://substack-post-media.s3.amazonaws.com/public/images/2905d20a-608c-4fa8-9bdf-7af0c3792e1a_1280x1280.png",
247                            "author_id": 191014175,
248                            "theme_var_background_pop": "#FF0000",
249                            "created_at": "2024-01-18T18:32:47.729Z",
250                            "rss_website_url": null,
251                            "email_from_name": "AI Search",
252                            "copyright": "AI Search",
253                            "founding_plan_name": null,
254                            "community_enabled": false,
255                            "invite_only": false,
256                            "payments_state": "disabled",
257                            "language": null,
258                            "explicit": false,
259                            "is_personal_mode": false
260                        }
261                    }
262                ],
263                "is_guest": false,
264                "bestseller_tier": null
265            }
266        ],
267        "reaction": null,
268        "reaction_count": 0,
269        "comment_count": 0,
270        "child_comment_count": 0,
271        "is_geoblocked": false,
272        "hasCashtag": false,
273        "scrapedAt": "2025-02-10T05:26:49.500Z"
274    },
275    ...
276]

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