# Companies that use ReadMe

As of October 2026, 1,145 companies show public evidence of using ReadMe (API docs platform), according to runsonwhat.

- Tool: [ReadMe](https://readme.com), category [Support & Docs](https://www.runsonwhat.com/tools/customer-support)
- Companies using it now: 1,145
- Stopped using it (seen on a same-method rescan): 0

## Who uses ReadMe

Segments where ReadMe customers are more common than among all companies we track:

- Software: 6.2× more likely (280 customers)

## ReadMe customers by industry

| Industry | Share of customers |
|---|---|
| Software | 34% |
| Financial Services | 22% |
| Internet | 11% |
| IT Services | 8.7% |
| Marketing and Advertising | 2.3% |
| Computer & Network Security | 2.2% |
| Fintech | 2.2% |
| Engineering, Product and Design | 1.7% |

## ReadMe customers by company size

| Company size | Share of customers |
|---|---|
| 1–10 employees | 4.0% |
| 11–50 employees | 47% |
| 51–200 employees | 32% |
| 201–1,000 employees | 12% |
| 1,001–5,000 employees | 3.3% |
| 5,001–10,000 employees | 0.44% |
| 10,000+ employees | 0.33% |

## ReadMe customers by country

| Country | Share of customers |
|---|---|
| United States | 57% |
| United Kingdom | 7.4% |
| Brazil | 5.0% |
| Canada | 4.2% |
| France | 3.1% |
| Israel | 2.5% |
| Australia | 2.3% |
| Netherlands | 2.2% |

## Alternatives to ReadMe

| Tool | Companies |
|---|---|
| [WhatsApp Business](https://www.runsonwhat.com/reverse/whatsapp) | 119,914 |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | 39,634 |
| [tawk.to](https://www.runsonwhat.com/reverse/tawk) | 14,205 |
| [Freshdesk](https://www.runsonwhat.com/reverse/freshdesk) | 11,783 |
| [Intercom](https://www.runsonwhat.com/reverse/intercom) | 7,682 |
| [LiveChat](https://www.runsonwhat.com/reverse/livechat) | 5,876 |
| [Tidio](https://www.runsonwhat.com/reverse/tidio) | 4,735 |
| [Gorgias](https://www.runsonwhat.com/reverse/gorgias) | 3,752 |
| [Discord](https://www.runsonwhat.com/reverse/discord) | 3,211 |
| [Help Scout](https://www.runsonwhat.com/reverse/helpscout) | 2,674 |

## ReadMe customers also use

- [incident.io](https://www.runsonwhat.com/reverse/incidentio): 3.8% of ReadMe customers, 53× the average company
- [Linear](https://www.runsonwhat.com/reverse/linear): 4.1% of ReadMe customers, 52× the average company
- [Atlassian Statuspage](https://www.runsonwhat.com/reverse/statuspage): 27% of ReadMe customers, 44× the average company
- [Vanta](https://www.runsonwhat.com/reverse/vanta): 10% of ReadMe customers, 42× the average company
- [G2](https://www.runsonwhat.com/reverse/g2): 10% of ReadMe customers, 41× the average company
- [Maven Central](https://www.runsonwhat.com/reverse/maven-central): 3.2% of ReadMe customers, 39× the average company
- [SafeBase](https://www.runsonwhat.com/reverse/safebase): 3.9% of ReadMe customers, 37× the average company
- [Dreamdata](https://www.runsonwhat.com/reverse/dreamdata): 4.0% of ReadMe customers, 35× the average company
- [Zapier](https://www.runsonwhat.com/reverse/zapier): 6.4% of ReadMe customers, 31× the average company
- [Cursor](https://www.runsonwhat.com/reverse/cursor): 14% of ReadMe customers, 23× the average company

## Companies that use ReadMe (first 40 of 1,145)

| Company | Domain | Industry | Country |
|---|---|---|---|
| [PubMatic](https://www.runsonwhat.com/company/pubmatic.com) | pubmatic.com |  | United States |
| [Aruba Networks](https://www.runsonwhat.com/company/arubanetworks.com) | arubanetworks.com | Computer Network | United States |
| [Dailymotion](https://www.runsonwhat.com/company/dailymotion.com) | dailymotion.com | Online Media | France |
| [OneTrust](https://www.runsonwhat.com/company/onetrust.com) | onetrust.com | Software | United States |
| [Agoda](https://www.runsonwhat.com/company/agoda.com) | agoda.com |  |  |
| [Trendyol](https://www.runsonwhat.com/company/trendyol.com) | trendyol.com |  |  |
| [BidMachine](https://www.runsonwhat.com/company/bidmachine.io) | bidmachine.io |  | United States |
| [The Movie Database (tmdb)](https://www.runsonwhat.com/company/themoviedb.org) | themoviedb.org | Internet | Canada |
| [Datadome](https://www.runsonwhat.com/company/datadome.co) | datadome.co | Computer & Network Security | United States |
| [Rackspace Technology](https://www.runsonwhat.com/company/rackspace.com) | rackspace.com | Web Hosting Service | United States |
| [Primis](https://www.runsonwhat.com/company/primis.tech) | primis.tech | Marketing and Advertising | Israel |
| [Asana](https://www.runsonwhat.com/company/asana.com) | asana.com | Software | United States |
| [Bazaarvoice](https://www.runsonwhat.com/company/bazaarvoice.com) | bazaarvoice.com | Software | United States |
| [Miro](https://www.runsonwhat.com/company/miro.com) | miro.com | Software | United States |
| [Split](https://www.runsonwhat.com/company/split.io) | split.io |  |  |
| [Here Technologies](https://www.runsonwhat.com/company/here.com) | here.com | Cartography | United States |
| [JWX](https://www.runsonwhat.com/company/jwplayer.com) | jwplayer.com |  | United States |
| [Tenable, Inc.](https://www.runsonwhat.com/company/tenable.com) | tenable.com | Computer Security | United States |
| [ClickUp](https://www.runsonwhat.com/company/clickup.com) | clickup.com | Software As a Service | United States |
| [Riskified](https://www.runsonwhat.com/company/riskified.com) | riskified.com | E-commerce | Israel |
| [VTEX](https://www.runsonwhat.com/company/vtex.com) | vtex.com |  | Brazil |
| [Splashtop Inc.](https://www.runsonwhat.com/company/splashtop.com) | splashtop.com |  | United States |
| [Sportradar](https://www.runsonwhat.com/company/sportradar.com) | sportradar.com |  | Switzerland |
| [Nextdoor](https://www.runsonwhat.com/company/nextdoor.com) | nextdoor.com | Landscaping | United States |
| [Sonos](https://www.runsonwhat.com/company/sonos.com) | sonos.com | Consumer Electronics | United States |
| [N-Able](https://www.runsonwhat.com/company/n-able.com) | n-able.com | Computer & Network Security | United States |
| [Foursquare](https://www.runsonwhat.com/company/foursquare.com) | foursquare.com | Social Networking Service | United States |
| [Feedly](https://www.runsonwhat.com/company/feedly.com) | feedly.com | Computer & Network Security | United States |
| [Mobilefuse](https://www.runsonwhat.com/company/mobilefuse.com) | mobilefuse.com |  |  |
| [Wistia](https://www.runsonwhat.com/company/wistia.com) | wistia.com |  |  |
| [Familysearch](https://www.runsonwhat.com/company/familysearch.org) | familysearch.org |  |  |
| [TCGPlayer](https://www.runsonwhat.com/company/tcgplayer.com) | tcgplayer.com |  | United States |
| [Similarweb Ltd.](https://www.runsonwhat.com/company/similarweb.com) | similarweb.com | IT Services | Israel |
| [Lokalise Inc.](https://www.runsonwhat.com/company/lokalise.com) | lokalise.com | Translation and Localization | United States |
| [ZoomInfo Inc](https://www.runsonwhat.com/company/zoominfo.com) | zoominfo.com | Manufacturing | United States |
| [OpenSea](https://www.runsonwhat.com/company/opensea.io) | opensea.io | Content | United States |
| [Sicredi](https://www.runsonwhat.com/company/sicredi.com.br) | sicredi.com.br | Financial Services | Brazil |
| [Webengage](https://www.runsonwhat.com/company/webengage.com) | webengage.com |  |  |
| [Appnext](https://www.runsonwhat.com/company/appnext.com) | appnext.com | Marketing and Advertising | Israel |
| [Clover](https://www.runsonwhat.com/company/clover.com) | clover.com |  |  |

The full list is on https://www.runsonwhat.com/reverse/readme for signed-in users.

## FAQ

### How many companies use ReadMe?

As of October 2026, 1,145 companies show public evidence of using ReadMe across the 1,792,940 company domains runsonwhat tracks. That makes ReadMe the 19th most used of the 89 Support & Docs tools with confirmed customers, behind Olark (1,209). The number is a lower bound: a company counts only when a public record, such as a DNS entry or ReadMe's code on its website, shows the tool in use.

### Which companies use ReadMe?

Companies that use ReadMe include PubMatic, Aruba Networks, Dailymotion, OneTrust and Agoda, according to runsonwhat's public-record scans (October 2026). The biggest industries among ReadMe customers are software (34%) and financial services (22%). The full list of 1,145 companies can be filtered by industry, company size and country on runsonwhat's ReadMe page.

### What industries use ReadMe the most?

The industries with the most ReadMe customers are software (34%), financial services (22%) and internet (11%), based on the 812 companies with a known industry. Relative to all companies runsonwhat tracks, ReadMe stands out most in software (6.2× the average rate).

### Is ReadMe more popular with startups or large companies?

ReadMe is used mostly by small companies: of the 910 companies with a known size, 51% have up to 50 employees, 45% have 51 to 1,000 and 4.1% have more than 1,000.

### Which countries use ReadMe the most?

Most ReadMe customers runsonwhat has found are based in the United States (57%), the United Kingdom (7.4%) and Brazil (5.0%), out of 879 companies with a known country. Outside the United States, the biggest markets are the United Kingdom and Brazil.

### ReadMe vs WhatsApp Business: which is more widely used?

WhatsApp Business is more widely used: 131,877 companies show public evidence of WhatsApp Business, against 1,145 for ReadMe (115× as many), according to runsonwhat (October 2026). 45 companies run both, which is 3.9% of ReadMe's customers.

### What are the most popular alternatives to ReadMe?

By the number of companies using them, the most used Support & Docs tools other than ReadMe are WhatsApp Business (131,877), Zendesk (40,288), tawk.to (15,898) and Freshdesk (12,008), according to runsonwhat (October 2026). Not every tool in a category does the same job, so check each one's page; runsonwhat ranks all Support & Docs tools at https://www.runsonwhat.com/tools/customer-support.

### What other tools do ReadMe customers use?

ReadMe customers use incident.io, Linear and Atlassian Statuspage far more often than the average company. For example, 3.8% of ReadMe customers also run incident.io, 53× the rate among all companies runsonwhat tracks, and 4.1% run Linear.

### How long have companies been using ReadMe?

At least 188 companies that use ReadMe today have done so since before 2026, going by the first certificate of the subdomain each one points at ReadMe. The earliest go back to 2016, and the most common start year among them is 2022.

### How does runsonwhat know a company uses ReadMe?

runsonwhat reads public records only. For ReadMe, that means a subdomain that points at ReadMe or ReadMe on the company's own subprocessor list. A company is listed only when one of these direct records is present, and each match keeps the record it came from. DNS is rechecked weekly and websites about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/reverse/readme (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.