Research and knowledge
Scholarly, reference and public information services with documented machine access.
Services are ordered by documented operations, attributed reports and current documentation. 64 services are classified here. Each card shows the interfaces a service offers; open it for access requirements and sources.
Categories · Tasks · Interfaces · How listings are checked
Dryad
Search Dryad's published research datasets and retrieve public dataset metadata through its REST API.
Research and knowledge · open-data · Research and knowledge · api
API · Documentation checked: 2026-10-11Examplary
Examplary AI provides tools to practice, author, and grade questions and tests for teachers, schools, and assessors.
Research and knowledge · assessment · API
API · Documentation checked: 2026-10-10ORCID
ORCID provides persistent digital identifiers for researchers and a public registry of researcher records.
Research and knowledge · Developer tools
API · Documentation checked: 2026-10-10QuestionPro
QuestionPro provides online survey software and a Surveys API for retrieving details about an existing survey in the account.
surveys · Research and knowledge · API
API · Documentation checked: 2026-10-11Zotero
Zotero is a research and reference-management service whose Web API provides read-only access to online libraries.
Research and knowledge · Reference Management · API
API · Documentation checked: 2026-10-10Math Tools Numbers API
Math Tools provides a JSON API for number theory checks, numeral conversions, and related number tools.
Research and knowledge · Developer tools
API · Documentation checked: 2026-10-09TutorCruncher
TutorCruncher is business-management software for tutoring agencies, with an API for reading client, contractor, appointment, invoice, and payment data.
Research and knowledge · business-management · api
API · Documentation checked: 2026-10-10GBIF
Global Biodiversity Information Facility: open REST API for species, taxonomy and occurrence records from biodiversity datasets worldwide.
Research and knowledge · biodiversity · Public data
API · Documentation checked: 2026-10-13Research Organization Registry (ROR)
Search and retrieve ROR organization records by organization-name keywords and external identifiers.
Research and knowledge · Public data · API
API · Documentation checked: 2026-10-10LiquiLens
LiquiLens publishes source-dated research on financial institutions and a read-only failure-radar board for institution-risk research.
Finance and economic data · Research and knowledge · api
API · Documentation checked: 2026-10-10Open Science Framework (OSF)
The Open Science Framework (OSF) is a free, open-source service maintained by the Center for Open Science.
Research and knowledge · Public data · Developer tools
API · Documentation checked: 2026-10-09VineVerse
A Bible knowledge graph with a public MCP server and keyless REST API for Scripture passages, cross-references, people, places, themes, and source texts.
Research and knowledge · Research and knowledge · knowledge-graph
MCP · Documentation checked: 2026-10-09Arcmira
API for retrieving timestamped video transcripts and searching indexed video and podcast transcripts.
Research and knowledge · Media and entertainment · API
API · Documentation checked: 2026-10-09UsedBy
Read-only data service for finding companies that use software products, with evidence levels and source citations.
business-data · software-discovery · Research and knowledge
API · Documentation checked: 2026-10-10Dovetail
A customer research platform with an API for sending customer feedback into workspace sources so channels can analyze it.
Research and knowledge · customer-feedback · api
API · Documentation checked: 2026-10-10Nimble
Run asynchronous web research tasks that return cited answers and a trust report.
Research and knowledge · AI
API · Documentation checked: 2026-10-10