Case law
US federal/state
Citation Verification
Citation Verification API
Verify legal and academic citations programmatically.
Supported
Statutes
US Code, state
Regulations
CFR, state
Secondary
Books, articles
Checks
Existence
Source exists
Date
Current/valid
Authority
Credible source
Relevance
Supports claim
Frequently Asked Questions
What jurisdictions?
Primarily US, expanding
How up-to-date?
24-48 hours typically