Companies that use FastAPI
It is a modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.
51,558
companies
List of companies using FastAPI
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\": [
\"fastapi\"
]
}"Technology
is any of
FastAPI

Employees68kRevenue$4.8BIT Services and IT Consulting
FastAPIHigh confidence
Employees731kRevenue$27BIT Services and IT Consulting
FastAPIHigh confidenceEmployees700Construction
FastAPIHigh confidence
Employees16kIT Services and IT Consulting
FastAPIHigh confidence
Employees89kRevenue$9.5BIT Services and IT Consulting
FastAPIHigh confidence
Employees41kRevenue$1.5BIT Services and IT Consulting
FastAPIHigh confidence
Employees18Software Development
FastAPIHigh confidence
Employees8.9kRevenue$253MIT Services and IT Consulting
FastAPIHigh confidence
Employees51IT Services and IT Consulting
FastAPIHigh confidence
Employees115kHospitals and Health Care
FastAPIHigh confidence
We have data on 51,558 companies and users that use FastAPI. Our FastAPI 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 FastAPI 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
Our data is sourced from job postings collected from millions of companies. We monitor these postings on company websites, job boards, and other recruitment platforms. Analyzing job postings provides a reliable method to understand the technologies companies are employing, including their use of internal tools.
We refresh our data daily to ensure you are accessing the most current information available. This frequent updating process guarantees that our insights and intelligence reflect the latest developments and trends within the industry.
FastAPI is a modern web framework for building APIs with Python 3.6+ based on standard Python type hints. It is known for its high performance, simplicity, and ease of use, making it a preferred choice for developers looking to create APIs quickly and efficiently. FastAPI leverages Python type hints to enable automatic generation of interactive API documentation, making the development process seamless and hassle-free. Its asynchronous support allows for handling high loads of traffic effectively, making it a suitable option for applications requiring real-time responses.
FastAPI falls under the category of Microframeworks in the Backend technology landscape. Microframeworks are lightweight web frameworks designed to provide essential functionalities for building web applications without the complexity of full-fledged frameworks. FastAPI specifically focuses on offering a minimalistic approach to API development, prioritizing speed and efficiency while retaining the flexibility to scale as needed. Developers favor FastAPI for its intuitive design and robust features that streamline the API creation process.
FastAPI was founded in 2018 by Sebastián RamÃrez, a software developer passionate about creating efficient and user-friendly tools for web development. The motivation behind FastAPI's inception was to address the need for a high-performance web framework that combined the benefits of Python type hints with modern API development standards. Since its launch, FastAPI has gained significant traction within the developer community due to its innovative approach and continuous enhancement of features.
Currently, FastAPI holds a notable market share within the Microframeworks category, with a growing trend expected in the foreseeable future. The framework's popularity continues to rise as more developers recognize its advantages in terms of speed, scalability, and documentation capabilities. With ongoing improvements and adoption across various industries, FastAPI is poised to expand its market share further and establish itself as a prominent player in the backend technology landscape.