Companies that use OpenAPI
It is a publicly available application programming interface that provides developers with programmatic access to a proprietary software application or web service.
20,561
companies
List of companies using OpenAPI
curl --request POST \
--url "https://api.theirstack.com/v1/companies/search" \
--header "Accept: application/json" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer <api_key>" \
-d "{
\"company_technology_slug_or\": [
\"open-api\"
]
}"Technology
is any of
OpenAPI

Employees132IT Services and IT Consulting
OpenAPIHigh confidence
Employees2.3kIT Services and IT Consulting
OpenAPIHigh confidence
Employees61kFinancial Services
OpenAPIHigh confidence
Employees239Technical and Vocational Training
OpenAPIHigh confidence
Employees5.2kRevenue$300MIT Services and IT Consulting
OpenAPIHigh confidence
Employees4.1kRevenue$1.2BSoftware Development
OpenAPIHigh confidence
Employees320IT Services and IT Consulting
OpenAPIHigh confidence
Employees2.2kRevenue$7MIndividual and Family Services
OpenAPIHigh confidence
Employees58kInsurance
OpenAPIHigh confidence
Employees201IT Services and IT Consulting
OpenAPIHigh confidence
We have data on 20,561 companies and users that use OpenAPI. Our OpenAPI users and customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.
Technology Usage Statistics and Market Share
How to target OpenAPI users
- How to customize this list?
You can customize this data to your needs by filtering for geography, industry, company size, revenue, technology usage, job postions and more. You can download the data in Excel or CSV format.
- How to be alerted when companies adopt this technology?
You can get alerts for this data. You can get started by selecting the technology you are interested in and then you will receive alerts in your inbox when there are new companies using that technology.
- How to import this data to my CRM?
You can export this data to an Excel file, which can be imported into your CRM. You can also export the data to an API.
Frequently asked questions