data-datasets
Harvard Dataverse
Harvard's instance of the Dataverse platform, a large repository of research data. The search API is keyless and our search queries it directly; the website offers the same search for browsing. A standard stop when looking for academic datasets.
Datasets API
Why it’s useful & how it works
Niche/link-catalogue tier (see product-concept): surfaced as a described link to its search form. Probe verdict recorded for liveness.
API access
https://dataverse.harvard.edu/api/search?q= (keyless read)
Access
Programmatic API access (a key may be required — see the API tag).