Chronicling America
FreeLiveLast verified 24 Sept 2026
Searchable full text and metadata for millions of digitized historic US newspaper pages.
Example request
curl -s 'https://www.loc.gov/collections/chronicling-america/?q=california&fo=json'
Free tier, in plain English
Fully free with no key. The Library of Congress throttles unusually high request rates but publishes no fixed daily quota.