OpenAPI Generator CLI
Generates API clients, servers and docs from OpenAPI specs in 50+ languages.
HTTP clients and networking npm Apache-2.0
How OpenAPI Generator CLI is used
OpenAPI Generator CLI joined the catalog on its public numbers (724,556 downloads a week on npm and 1,989 GitHub stars), not on our project count: it is a dependency in 6 public GitHub projects of our scan, 5 of them set up for AI coding agents. Projects that use it most often also use Prettier (100.0%), ESLint (100.0%), Husky (66.7%).
OpenAPI Generator CLI popularity over time
Gid Score 38: downloads 61, use in agent projects 10, GitHub stars 23, downloads trend 56 (each 0-100). How it is calculated.
Often used with OpenAPI Generator CLI
| Prettier | 100.0% of OpenAPI Generator CLI projects · 4.7× more than average |
|---|---|
| ESLint | 100.0% of OpenAPI Generator CLI projects · 2.7× more than average |
| Husky | 66.7% of OpenAPI Generator CLI projects · 6.5× more than average |
| Vitest | 66.7% of OpenAPI Generator CLI projects · 3.2× more than average |
| Axios | 50.0% of OpenAPI Generator CLI projects · 6.6× more than average |
| ts-node | 50.0% of OpenAPI Generator CLI projects · 10.5× more than average |
| undici | 50.0% of OpenAPI Generator CLI projects · 30.7× more than average |
| TypeScript | 100.0% of OpenAPI Generator CLI projects · 1.8× more than average |
How OpenAPI Generator CLI is funded
Open Collective: OpenAPI Generator
| Received, last 12 months | $14,347 Oct 2025 – Sep 2026 |
|---|---|
| Estimated annual budget | $22,536 Open Collective's estimate |
| Balance | $57,257 |
| Raised since the start | $109,093 · $51,834 paid out |
| Typical month median, last 12 months | $1,189 · $1,428 over 24 months |
| Last 12 months vs the 12 before | -53% |
| Contributors, last 12 months | 47 |
Top company backers all time, 54 companies in total
| Apideck | $6,900 since Jan 2021 |
|---|---|
| Datadog | $5,500 since May 2020 |
| Adyen NV (Netherlands) | $5,400 since Nov 2023 |
| Nedap NV | $5,000 since Feb 2023 |
| NamSor | $4,200 since Apr 2019 |
Oct 2021Sep 2026
Money by month, last five years. First money received in Apr 2019. The typical month is the median: one big one-off donation does not move it.
USD after payment processor fees, as Open Collective reports it; fiscal host Open Source Collective. Source
Ways to fund OpenAPI Generator CLI
Open Collective
As the maintainers list them in FUNDING.yml on GitHub. Checked Oct 20, 2026.
Install
| Package | npm install @openapitools/openapi-generator-cli |
|---|---|
| Main stacks | TypeScript / JavaScript (5), Java / Kotlin (1) |
| Example projects | adeze/raindrop-mcp, confluentinc/vscode, OpenZeppelin/openzeppelin-relayer-sdk, hmcts/opal-frontend |
Alternatives to OpenAPI Generator CLI
In our scan, none of the most used tools in HTTP clients and networking does the same job as OpenAPI Generator CLI: they are add-ons, companions or tools for a different task.
More in HTTP clients and networking: Axios Requests httpx ws aiohttp websockets redis (Python) postgres