checklist.day

City State

JSON →
library 1.1.0 ·ruby
✓ verified Jun 19, 2026
utilityother

Useful to make forms and validations using MaxMind database.

Resources

docswww.rubydoc.info/gems/city-state/ ↗
githubgithub.com/thecodecrate/city-state ↗

API endpoints

full doc /v1/registry/city-state
install /v1/registry/city-state/install