Developers
API reference
Public read endpoints for integrations and tools.
Base URL: https://fsmods.online. Authenticated routes require a session cookie from sign-in.
GET
/api/openapi
OpenAPI 3.0 JSON specification
GET
/api/public/mods
List approved mods (paginated JSON; optional Bearer API key)
GET
/api/mods/compare?slugs=a,b
Compare mods by slug
GET
/api/mods/suggest-dependencies?slug=x
Suggested dependencies for a mod
GET
/feed/mods
RSS feed of latest mods
GET
/feed/mods/{slug}
RSS feed for a single mod's changelogs
GET
/feed/favorites/{token}
iCal feed for favorited mod changelogs (private token)
GET
/feed/following/{token}
RSS feed for followed creators (private token)
GET
/feed/forum
RSS feed of forum threads
GET
/api/forum/tags
Popular forum thread tags
GET
/api/user/mod-updates
Auth - mods with updates since download
GET
/api/user/following
Auth - creators you follow
GET
/api/mods/{slug}/translation-progress
Translation completion per locale
POST
/api/webhooks/supporter/{creatorSlug}
Ko-fi/Patreon supporter events (Bearer secret)
POST
/api/webhooks/platform-supporter
Site-wide FSModHub supporter events (Bearer / Ko-fi verification_token)
GET
/api/user/server-packs/{id}/export?format=vortex
Auth - Vortex collection JSON
GET
/api/user/reports
Auth - your submitted reports