runsonwhat

Companies that use ReadMe

1,145 companies use ReadMe, as of October 2026.

ReadMe: API docs platform. We've found 1,145 companies using ReadMe, most often in Software (34%) and Financial Services (22%), typically with 11–50 employees and 57% based in United States.

Customers1,145companies use it
Most popular withSoftware6.2× more likely than average
Typical customer11–50employees · mostly United States
  1. PubMaticpubmatic.comUnited States
    Since Nov 2023
  2. Aruba Networksarubanetworks.comComputer Network · United States
    5,001–10,000 employeesSeen Oct 2026
  3. Dailymotiondailymotion.comOnline Media · France
    201–1,000 employeesSeen Oct 2026
  4. OneTrustonetrust.comSoftware · United States
    1,001–5,000 employeesSeen Oct 2026
  5. Agodaagoda.com
    Seen Oct 2026
  6. Trendyoltrendyol.com
    Seen Oct 2026
  7. BidMachinebidmachine.ioUnited States
    1–10 employeesSeen Oct 2026
  8. The Movie Database (tmdb)themoviedb.orgInternet · Canada
    1–10 employeesSeen Oct 2026
  9. Datadomedatadome.coComputer & Network Security · United States
    51–200 employeesSeen Oct 2026
  10. Rackspace Technologyrackspace.comWeb Hosting Service · United States
    1,001–5,000 employeesSeen Oct 2026
  11. Primisprimis.techMarketing and Advertising · Israel
    51–200 employeesSeen Oct 2026
  12. Asanaasana.comSoftware · United States
    1,001–5,000 employeesSeen Oct 2026
  13. Bazaarvoicebazaarvoice.comSoftware · United States
    1,001–5,000 employeesSeen Oct 2026
  14. Miromiro.comSoftware · United States
    1,001–5,000 employeesSeen Oct 2026
  15. Splitsplit.io
    Since Aug 2017
  16. Here Technologieshere.comCartography · United States
    5,001–10,000 employeesSeen Oct 2026
  17. JWXjwplayer.comUnited States
    Since Jun 2022
  18. Tenable, Inc.tenable.comComputer Security · United States
    1,001–5,000 employeesSeen Oct 2026
  19. ClickUpclickup.comSoftware As a Service · United States
    Since Nov 2024
  20. Riskifiedriskified.comE-commerce · Israel
    201–1,000 employeesSince Nov 2025

Showing 40 of 1,145

ReadMe customers also use

How much more likely ReadMe customers are to use each tool than the average company.

What kind of companies use ReadMe

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

  • Software30% of customers6.2×more likely

ReadMe customers by industry

  1. Software34%
  2. Financial Services22%
  3. Internet11%
  4. IT Services9%
  5. Marketing and Advertising2%
  6. Computer & Network Security2%
  7. Fintech2%
  8. Engineering, Product and Design2%

ReadMe customers by company size

  1. 1–10 employees4%
  2. 11–50 employees47%
  3. 51–200 employees32%
  4. 201–1,000 employees12%
  5. 1,001–5,000 employees3%
  6. 5,001–10,000 employees0%
  7. 10,000+ employees0%

ReadMe customers by country

  1. United States57%
  2. United Kingdom7%
  3. Brazil5%
  4. Canada4%
  5. France3%
  6. Israel3%
  7. Australia2%
  8. Netherlands2%

Breakdowns cover the 1,043 customers with company details so far.

Alternatives to ReadMe

Other tools in the same category, by how many companies use them.

ReadMe FAQ

How many companies use ReadMe?

As of October 2026, 1,145 companies show public evidence of using ReadMe across the 1,791,110 company domains runsonwhat tracks. That makes ReadMe the 19th most used of the 89 Support & Docs tools with confirmed customers, behind Olark (1,171). 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: 128,702 companies show public evidence of WhatsApp Business, against 1,145 for ReadMe (112× 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 (128,702), Zendesk (40,137), tawk.to (15,429) and Freshdesk (11,968), 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.