app-package-archive
F-Droid
The repository of free and open-source Android apps, which keeps a full version archive and builds packages reproducibly. Its package index is published as keyless JSON, so our search can query it directly as well as link you to the site. The place to look for current and historical versions of FOSS Android apps.
Software / packages API
Why it’s useful & how it works
Niche/link-catalogue tier (see product-concept): surfaced as a described link to its search form. Probe verdict recorded for liveness.
API access
https://f-droid.org/repo/index-v2.json (keyless)
Access
Programmatic API access (a key may be required — see the API tag).