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Web of Science
London, United Kingdom
What it is
Web of Science is a paid research discovery platform built around scholarly literature and citation connections. Clarivate lists more than 34,000 journals, 288 million metadata records, and 3.4 billion citation links. A single search can cover journals, conference papers, grants, preprints, dissertations, books, datasets, and patents. The platform helps users find new research, possible partners, trending topics, and commercial opportunities. It offers multidisciplinary coverage, advanced search, full-text access, conference proceedings, and theses and dissertations. The Research Assistant supports multilingual natural-language searching, concise overviews, task guidance, and visualizations, but requires institutional subscription access. Registered users can export records to EndNote, while researcher profiles can synchronize publications with ORCID. API Expanded provides REST access with JSON or XML output through a paid license and registered application. Listed API plans allow two to five requests per second and 50,000 to 3,000,000 full records annually. Platform pricing is available from sales rather than displayed publicly.
For and against
For
- Multidisciplinary scholarly coverage
- Search spans journals, patents, datasets, and dissertations
- Citation links support literature discovery
- EndNote and ORCID integrations
- REST API offers JSON and XML output
Against
- No free plan is available
- Platform pricing requires contacting sales
- Research Assistant requires institutional access
- API use requires a paid license
The verdict
Web of Science combines broad scholarly coverage, citation relationships, discovery tools, and institutional integrations. Its subscription model and licensed API make it primarily an organization-focused research service.
Who it suits
It suits researchers, universities, research institutions, governments, funders, publishers, and research-intensive corporations. API access is relevant to organizations building licensed research workflows.
Plans and prices
Web of Science My Research Assistant free version
Topic searches · up to 3 saved feeds · maximum 25 recent results from the past five years
Read 15 Oct 2026 · clarivate.com
Web of Science institutional subscription
Access depends on subscription depth · institutional users
Read 15 Oct 2026 · clarivate.com
Web of Science API Expanded — Intermediate
2 requests per second · 250,000 full records per year
Read 7 Oct 2026 · developer.clarivate.com
Web of Science API Expanded — Advanced
3 requests per second · 1,000,000 full records per year
Read 7 Oct 2026 · developer.clarivate.com
Web of Science platform
Institutional subscription; price not listed on the product page
Read 7 Oct 2026 · clarivate.com
Web of Science API Expanded — Premium
5 requests per second · 3,000,000 full records per year
Read 7 Oct 2026 · developer.clarivate.com
Web of Science API Expanded — Basic
2 requests per second · 50,000 full records per year
Read 7 Oct 2026 · developer.clarivate.com
On the record
- Accessibility
- Clarivate says Web of Science is partially compliant with WCAG 2.2 AA and publishes an accessibility conformance report.clarivate.com · read 15 Oct 2026
- AI privacy
- Clarivate says it does not send publisher content, library-owned materials or user data to external large language models; only user-entered query content is transmitted to its private LLM setup.clarivate.com · read 15 Oct 2026
- Android app status
- AppBrain reports MyRA was removed from Google Play on March 28, 2024; its last listed version was 2.7.0 and required Android 5.0 or newer.appbrain.com · read 15 Oct 2026
- API access
- The API Expanded offers REST access with JSON and XML output and requires a paid license and registered application.developer.clarivate.com · read 7 Oct 2026
- API authentication
- The API Expanded page states that API access is secured with API keys.developer.clarivate.com · read 15 Oct 2026
- API Expanded
- The Web of Science API Expanded offers REST access with JSON or XML, advanced searching, full item metadata, times-cited counts, affiliations, funding, related records, cited references and citing items.developer.clarivate.com · read 15 Oct 2026
- API limits
- API Expanded plans are limited by request rates and full-record counts, with the listed plans ranging from 50,000 to 3,000,000 records per year.developer.clarivate.com · read 7 Oct 2026
- Audience
- Clarivate describes Web of Science as serving researchers, universities and research institutions, governments, funders, publishers and research-intensive corporations.developer.clarivate.com · read 7 Oct 2026
- Citation network scale
- Clarivate describes the full platform as containing more than 271 million records, while the Core Collection links over 97 million records through 2.4 billion cited references.clarivate.com · read 15 Oct 2026
- Company size
- LinkedIn lists Clarivate as a public information-services company with 10,001+ employees and London headquarters.linkedin.com · read 15 Oct 2026
- Content types
- A single search can include journal content, conference papers, grants, preprints, dissertations, books, datasets and patents.clarivate.com · read 7 Oct 2026
- Core Collection coverage
- The Core Collection spans sciences, social sciences, arts and humanities and indexes more than 22,000 journals across over 250 disciplines.clarivate.com · read 15 Oct 2026
- Data delivery
- Clarivate offers API and XML data delivery for large-scale analysis, research-information systems and business-intelligence dashboards, including behind-the-firewall use.clarivate.com · read 15 Oct 2026
- Deep Search
- Deep Search expands synonyms, combines Boolean and semantic searches, screens and deduplicates documents, examines citation networks and produces a traceable evidence report.webofscience.zendesk.com · read 15 Oct 2026
- Discovery tools
- The platform supports finding new research, potential partners, trending topics and commercial opportunities in one interface.clarivate.com · read 7 Oct 2026
- Documentation and support
- The Help Center provides expert-written articles, training videos, live training, release updates and chat, phone or email support.webofscience.zendesk.com · read 15 Oct 2026
- Editorial curation
- In-house editors apply 28 journal-selection criteria: 24 quality tests and four impact tests, with journals periodically re-evaluated.clarivate.com · read 15 Oct 2026
- Employee count filing
- Clarivate’s 2025 Form 10-K says it had more than 12,000 employees in over 40 countries at December 31, 2025.s25.q4cdn.com · read 15 Oct 2026
