1
Aqueduct, Inc.
United States
ApiOverflow uses cutting edge generative AI technology to learn how to use APIs and convert your questions into usable code.
- Revenue
- $8.5M
Top 6 API Generation Software Companies With $5M–$10M Revenue (October 2026)
As of October 2026, Latka tracks 6 API generation software companies with $5M–$10M in annual revenue. They have combined revenues of $36.3M and employ 262 people.
Every company below sells API generation software to other businesses and is ranked by its most recent annual revenue. Revenue, funding, headcount and customer figures come from CEO interviews on the Latka podcast, public company filings, and Latka estimates where a company has not disclosed a number.
- Companies
- 6
- Revenue
- $36.3M
- Funding
- -
- Employees
- 262
Filters
Sorting: Highest -> Lowest
Top API Generation Software Companies With $5M–$10M Revenue
Showing 6 of 6 companies ranked by annual revenue.
2
Ozone API
London, England, United Kingdom
Ozone API is the leading standards based platform that handles the complexity of open banking, making it easy for any financial institution to meet both regulatory and commercial requirements for an open API. Banks using the Ozone API can accelerate their implementation of open APIs, and bring new commercial services to market ahead of the competition.
- Revenue
- $7.2M
- Year founded
- 2017
- Team size
- 65
3
Buf
Toronto, Ontario, Canada
The Protobuf developer platform Accelerate API development with Buf, the only end-to-end developer platform for Protocol Buffers, gRPC, and Kafka.
- Revenue
- $5.4M
- Team size
- 49
4
APIMatic
Auckland, New Zealand
Provider of a developer experience platform intended to make developers productive through automatic code generation. The company's platform offers an automatic software development kit generator for stack development and application delivery of APIs, enabling API providers to generate SDKs for their APIs within minutes and at a fraction of the cost.
- Revenue
- $5.1M
- Year founded
- 2014
- Team size
- 38
5
Stainless
New York, New York, United States
Stainless is a company that specializes in generating software development kits for APIs.
- Revenue
- $5.1M
- Year founded
- 2022
- Team size
- 64
6
Gram by Speakeasy
San Francisco, California, United States
Speakeasy is a platform that provides developers with the tools they need to craft exceptional API experiences. You can use Speakeasy to generate SDKs, build MCP servers, create Terraform providers and automate documentation.
- Revenue
- $5.1M
- Year founded
- 2022
- Team size
- 46
Frequently asked questions about API Generation Software Companies With $5M–$10M Revenue
How many API generation software companies with $5M–$10M in annual revenue are there?
Latka tracks 6 API generation software companies with $5M–$10M in annual revenue. Together they generate $36.3M in annual revenue and employ 262 people.
Which API generation software company with $5M–$10M in annual revenue is the largest?
Aqueduct, Inc. is the largest, with $8.5M in annual revenue.
How much revenue does a typical API generation software company with $5M–$10M in annual revenue make?
The average API generation software company in this list makes $6.1M a year, across 6 companies with reported revenue.
Who are the leading API Generation software vendors with $5M–$10M in annual revenue?
Ranked by annual revenue, the leaders are Aqueduct, Inc., Ozone API, Buf, APIMatic and Stainless.