aiohttp-cors
CORS middleware support for aiohttp async web applications.
HTTP servers and APIs PyPI Apache-2.0
How aiohttp-cors is used
aiohttp-cors is a dependency in 1 of the 6,208 public GitHub projects set up for AI coding agents that we scanned, too few to describe it from them alone. Our scan also samples projects by dependency (Solana 2,661, Ethereum and EVM 1,496, 3D and games 2,818, agent frameworks and SDKs 10,983); counting those, it appears in 31 projects, and what it is used with below comes from all of them. Projects that use it most often also use aiohttp (100.0%), NumPy (93.5%), OpenAI Python Library (80.6%).
aiohttp-cors popularity over time
Gid Score 42: downloads 72, use in agent projects 34, GitHub stars 0, downloads trend 55 (each 0-100). How it is calculated.
Often used with aiohttp-cors
| aiohttp | 100.0% of aiohttp-cors projects · 48.5× more than average |
|---|---|
| NumPy | 93.5% of aiohttp-cors projects · 16.0× more than average |
| OpenAI Python Library | 80.6% of aiohttp-cors projects · 20.4× more than average |
| psutil | 80.6% of aiohttp-cors projects · 42.8× more than average |
| Click | 80.6% of aiohttp-cors projects · 32.3× more than average |
| pandas | 80.6% of aiohttp-cors projects · 18.8× more than average |
| attrs | 77.4% of aiohttp-cors projects · 111.8× more than average |
| cachetools | 77.4% of aiohttp-cors projects · 137.3× more than average |
From all 31 projects in our scan that use aiohttp-cors, including the dependency samples.
How aiohttp-cors is funded
Open Collective: aio-libs: aiohttp and ecosystem
| Received, last 12 months | $72,961 Oct 2025 – Sep 2026 |
|---|---|
| Estimated annual budget | €67,005 Open Collective's estimate |
| Balance | $72,978 |
| Raised since the start | $127,698 · $54,720 paid out |
| Typical month median, last 12 months | $355 |
| Contributors, last 12 months | 4 |
Top company backers all time
| Admin OCEU | €46,100 since Mar 2025 |
|---|---|
| Open Home Foundation | €16,000 since Feb 2025 |
| dmTECH | €1,100 since Dec 2025 |
Feb 2025Sep 2026
Money by month. First money received in Feb 2025. The typical month is the median: one big one-off donation does not move it.
The same collective is named by 5 more tools in our catalog: yarl, aiodns, aiomysql, aiobotocore, aiokafka.
USD after payment processor fees, as Open Collective reports it; fiscal host Open Collective Europe Foundation (EUR). Source
GitHub Sponsors
| @aio-libs | 6 current sponsors |
|---|---|
| @webknjaz | 12 current sponsors |
| @Dreamsorcerer | 1 current sponsor |
GitHub shows how many people and companies sponsor an account, not how much they pay. Sponsors of a person back all of their work, which here includes aiohttp, yarl, aiodns.
Ways to fund aiohttp-cors
GitHub Sponsors GitHub Sponsors GitHub Sponsors Open Collective Tidelift Own page
As the maintainers list them in FUNDING.yml on GitHub. Checked Oct 20, 2026.
Install
| Package | pip install aiohttp-cors |
|---|---|
| Main stacks | Python (31) |
| Example projects | Paper2Poster/Paper2Poster, FlagOpen/RoboBrain2.5, YuhangChen1/Paper2All, camel-ai/seta, AutoLab-SAI-SJTU/AutoPage |
Alternatives to aiohttp-cors
In our scan, none of the most used tools in HTTP servers and APIs does the same job as aiohttp-cors: they are add-ons, companions or tools for a different task.
More in HTTP servers and APIs: Uvicorn FastAPI Express cors python-multipart Flask Hono Starlette