The Library of Congress recently published a series of updates to loc.gov/apis, home to technical documentation for multiple application programming interfaces.
Category: API
LC Labs Letter: September 2022
LC Labs Letter September issue.
LC for Robots in Action: using the API to access the Federal Theatre Project collection
The following is a guest post by Derek Miller, Harvard University, and Elizabeth Brown, a reference librarian in the Main Reading Room at the Library of Congress. In it, they discuss how Brown helped Miller access LC for Robots resources that helped him gain enhanced access to Library of Congress digital collections used in his research.
Test-driving the Dash read-only API
The Dash Data Publication service is now allowing access to dataset metadata and public files through a read-only API. This API focuses on allowing metadata…
Roadmap retrospective: 2016
2016 in review The past year has been a wild ride, in more ways than one… Despite our respective political climates, UC3 and DCC remain enthusiastic about our partnership and the future of DMPs. Below is a brief retrospective about … Continue reading →
The 20:51 sprint (Roadmap team-building: UK edition)
This week we hosted the DMPTool team to flesh out our plans for ‘roadmap’ – the joint codebase we’re building together based on DMPonline and DMPTool. The key focus was reviewing and prioritising tasks for an initial release. &n…
DMPTool maintenance and a roadmap
First things first, we want to inform you about upcoming maintenance. The DMPTool will be unavailable on Wednesday Feb 3, 2016 5:00 – 6:00pm (PDT) while we migrate the database to AWS. The application will also be moving to the cloud so you … Continue reading →
APIs: How Machines Share and Expose Digital Collections
Kim Milai, a retired school teacher, was searching on ancestry.com for information about her great grandfather, Amohamed Milai, when her browser turned up something she had not expected: a page from the Library of Congress’s Chronicling America site displaying a scan of the Harrisburg Telegraph newspaper from March 13, 1919. On that page was a story […]
Extra Extra! Chronicling America Posts its 10 Millionth Historic Newspaper Page
Talk about newsworthy! Chronicling America, an online searchable database of historic U.S. newspapers, has posted its 10 millionth page today. Way back in 2013, Chronicling America boasted 6 million pages available for access online. The site makes digitized newspapers (of those published between 1836 and 1922) available through the National Digital Newspaper Program. It also […]
We need API use cases!
We need your help! We are beginning work on developing the DMPTool API (application programming interface) and need use cases. If you aren’t familiar with APIs (, I’ve attached a few slides to help explain the concept. But basically, it’s how you … Continue reading →