Sales outreach
All 419 of these sites already run Substack API, with the professional training & coaching segment leading at 8 sites. Pitch the products and services that fit that exact stack.
Websites using Substack API
Content Management Blog Software Visit website
Substack is a platform empowering independent voices to create and monetize newsletters, making it easy for writers to connect directly with their audience.
Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month
- Live websites detected
- 419
- Countries with usage
- 33
- Top market: United States
- 🇺🇸 70%
Substack API global heatmap
darker = more sitesSubstack API usage by country
by sites detected-
01 🇺🇸 United States 291 70%
-
02 🇬🇧 United Kingdom 19 4.6%
-
03 🇩🇪 Germany 14 3.4%
-
04 🇫🇷 France 13 3.1%
-
05 🇦🇺 Australia 10 2.4%
-
06 🇨🇦 Canada 9 2.2%
-
07 🇳🇱 Netherlands 8 1.9%
-
08 🇮🇳 India 6 1.4%
-
09 🇧🇷 Brazil 6 1.4%
-
10 🇮🇹 Italy 5 1.2%
And 23 more countries in the full dataset.
Need every Substack API site in one market? Unlock Substack API once and rebuild filtered reports as often as you like for a month: by country, TLD, or stack combination, each with up to 20 data points per site.
Start from $39/moSubstack API usage by country group
by sites detected-
01 English-Speaking Countries 8 countries 344 82.7%
-
02 North America 2 countries 300 72.1%
-
03 Europe 16 countries 74 17.8%
-
04 Western Europe 10 countries 66 15.9%
-
05 European Union (EU) 10 countries 50 12%
-
06 Asia-Pacific (APAC) 7 countries 25 6%
-
07 DACH 2 countries 15 3.6%
-
08 BRICS 4 countries 15 3.6%
-
09 French-Speaking Countries 2 countries 14 3.4%
-
10 Oceania 1 country 10 2.4%
Country groups overlap: a country can belong to several at once (Germany counts toward Europe, Western Europe, the EU and DACH). Percentages are each group's share of the 416 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.
Top websites using Substack API
by popularity| # | Website | Popularity | Country | TLD |
|---|---|---|---|---|
| 01 |
|
203,763 | 🇩🇪 Germany | com |
| 02 |
|
271,466 | 🇺🇸 United States | com |
| 03 |
|
308,403 | 🇨🇳 China | com |
| 04 |
|
445,510 | 🇺🇸 United States | com |
| 05 |
|
464,688 | 🇦🇺 Australia | org |
| 06 |
|
566,888 | 🇺🇸 United States | com |
| 07 |
|
571,775 | 🇫🇷 France | com |
| 08 |
|
704,596 | 🇺🇸 United States | io |
| 09 |
|
737,477 | 🇫🇷 France | org |
| 10 |
|
1,023,708 | 🇬🇧 United Kingdom | io |
| 11 |
|
1,253,428 | 🇦🇺 Australia | net |
| 12 |
|
1,274,594 | 🇺🇸 United States | com |
| 13 |
|
1,478,916 | 🇺🇸 United States | io |
| 14 |
|
1,655,182 | 🇺🇸 United States | com |
| 15 |
|
1,722,984 | 🇺🇸 United States | co |
| 16 |
|
1,808,977 | 🇺🇸 United States | com |
| 17 |
|
2,065,789 | 🇦🇺 Australia | vc |
| 18 |
|
2,104,323 | 🇺🇸 United States | org |
| 19 |
|
2,210,183 | 🇺🇸 United States | com |
| 20 |
|
2,238,789 | 🇳🇱 Netherlands | world |
This is 20 of 419 websites. Download up to 1M sites per list as CSV, enriched with firmographics.
Download the full listCompanies using Substack API
sample, enriched| Company | Website | Employees | Industry | Country | Founded |
|---|---|---|---|---|---|
| Alex Estner |
|
1-10 | Information Technology And Services | 🇩🇪 Germany | - |
| Health Gorilla |
|
51-200 | Computer Software | 🇺🇸 United States | 2014 |
| The World Of Chinese |
|
11-50 | Publishing | 🇨🇳 China | 2006 |
| Inside Indonesia |
|
1-10 | Information Services | 🇦🇺 Australia | - |
| Chainport |
|
11-50 | Financial Services | 🇺🇳 - | 2021 |
| Adagio Institute, Inc. |
|
1-10 | Non-profit Organization Management | 🇺🇸 United States | 2017 |
| A Day In The Sun |
|
1-10 | Marketing And Advertising | 🇺🇸 United States | 2017 |
| Akindo |
|
1-10 | Computer Software | 🇺🇳 - | 2022 |
| All Nighter Studio |
|
1-10 | Design | 🇺🇳 - | - |
| Anti Social Camp |
|
1-10 | Music | 🇺🇸 United States | - |
A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.
Substack API usage by industry
by TLD segment-
01 Professional Training & Coaching 8 10.8%
-
02 Marketing And Advertising 7 9.5%
-
03 Computer Software 6 8.1%
-
04 Non-profit Organization Management 6 8.1%
-
05 Internet 5 6.8%
-
06 Management Consulting 5 6.8%
-
07 Information Technology And Services 5 6.8%
-
08 Media Production 4 5.4%
-
09 Publishing 4 5.4%
-
10 Health, Wellness And Fitness 3 4.1%
Substack API industry distribution chart
share by domain segmentTechnologies related to Substack API
Blog SoftwarePut it to work
What teams do with the Substack API list
Competitor analysis
Selling Blogger, Zblogphp, or another Blog Software product? These 419 Substack API users are your displacement audience, filterable by country and company size.
Market research
Substack API adoption concentrates in United States (70%), United Kingdom (4.6%), and Germany (3.4%). Size the Blog Software market by geography before you build or invest.
Free for non-profits, academia & data journalists - non-commercial and public-interest use, on request.
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