PyPI Stats
wyfo

apischema

JSON (de)serialization, GraphQL and JSON schema generation using Python typing.
PyPI GitHub
Downloads
Day
5.4K
Week
39.4K
Month
155.4K
Stars
243
Forks
18
Issues
16
Version
0.19.0

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
40
Popularity
46
Adoption
71
Community
35
How the maintenance status was determined
Last commit
582 days ago
Monthly downloads
155,416
Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
• At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
155,416
Stars
243
Stars per 1k downloads
1.56
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
• Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
5,635
Month daily avg
5,181
Momentum
+8.8%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.9
Cutting Edge
Minimum supported version is 3.12 or newer
• Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
MIT
• Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
582 days ago
Total releases
67
Releases/year
11.2
Rapid
Last release within 365 days and > 12 releases/year
Regular
Last release within 365 days
• Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
12
Monthly downloads
155,416
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
59
 
Issue Burden
65.8
per 1k stars
Discussions
86.4
per 1k stars
Fork Ratio
66.7%
contrib / forks
Stale Release
No
 
PR Velocity
Active
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 2.7K
macOS 18
Windows 10

Python Versions

3.12
36.9% 923
3.11
32.3% 808
3.14
13.5% 338
3.13
11.2% 280
3.8
6.2% 155

Top Countries

1. US US
2.2K
2. AU AU
163
3. NL NL
106
4. JP JP
92
5. IE IE
32
6. SG SG
30
7. FR FR
23
8. DE DE
20
9. GB GB
16
10. CN CN
12

Dependencies

0
9 optional dependencies

Used By

27
View all 27 dependents

Package Information

License
MIT
First Release
May 17, 2020
Last Release
1 year ago
Last Commit
1 year ago
Latest Version
0.19.0
Total Releases
67
Contributors
12
Open PRs
8
Archived
No
Python Versions
3.9 3.10 3.11 3.12 3.13
Wheels
cp310 cp311 cp312 cp313 cp37 cp38 cp39 py3
Topics
dataclasses python-typing json-api json-schema openapi python validation pypy3 graphql graphql-schema graphql-server json json-schema-generator graphql-python graphql-relay serialization
Tracking Since
January 6, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links