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Web of Science
What Web of Science is
Web of Science is a research discovery platform built around scholarly literature and citation links. Its stated coverage includes more than 34,000 journals, 288 million metadata records, and 3.4 billion citation links. A single search can include journals, conference papers, grants, preprints, dissertations, books, datasets, and patents. Discovery tools help users find new research, potential partners, trending topics, and commercial opportunities.
The Web of Science Research Assistant offers multilingual natural-language search, concise overviews, task guidance, and visualizations; it requires institutional subscription access. Registered users can export records to EndNote, while researcher profiles can sync publications with ORCID. API Expanded provides REST access with JSON and XML output through a paid license and registered application. Its listed tiers allow between 50,000 and 3,000,000 full records per year, with request-rate limits from two to five per second. The platform subscription price is not shown; interested organizations are directed to contact sales. Clarivate describes its security program as aligned with ISO 27001 and SOC 2, while noting that not all products are individually certified.
Who it suits
Web of Science suits researchers and organizations that need multidisciplinary discovery across scholarly and related content. API Expanded is aimed at organizations needing licensed REST access to records.
What it does well
- Search spans journals, grants, patents, and other content types
- Includes advanced search and full-text access
- Exports records to EndNote and syncs profiles with ORCID
- API Expanded offers JSON and XML output
What to know first
- No free plan
- Research Assistant requires institutional subscription access
- Platform subscription price is available on request
- API access requires a paid license and registered application
Limits
The platform is sold through institutional subscription. API Expanded tiers limit request rates and annual full-record counts: listed allowances range from 50,000 to 3,000,000 records per year. The Research Assistant requires institutional subscription access.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Web of Science My Research Assistant free version | Freely available · Topic searches · up to 3 saved feeds · maximum 25 recent results from the past five years | Free |
| Web of Science API Expanded — Intermediate | 2 requests per second · 250,000 full records per year | On request |
| Web of Science API Expanded — Premium | 5 requests per second · 3,000,000 full records per year | On request |
| Web of Science platform | Institutional subscription; price not listed on the product page | On request |
| Web of Science API Expanded — Advanced | 3 requests per second · 1,000,000 full records per year | On request |
| Web of Science institutional subscription | Institutional subscription; price quote required · Access depends on subscription depth · institutional users | On request |
| Web of Science API Expanded — Basic | 2 requests per second · 50,000 full records per year | On request |
As clarivate.com lists them, read 15 Oct 2026. The maker's own page has the final word.
Getting started
- Visit the Web of Science product page.
- Contact sales about an institutional subscription.
- Use the web platform or API, depending on your access.
- For API Expanded, obtain a paid license and register an application.
Verdict
Web of Science brings a wide range of research content and discovery tools into one platform. Organizations should account for subscription access and request pricing, and API users should check their tier's record and request limits.
Questions
Is Web of Science free?
No. It is a paid service with institutional subscription access; the product page directs organizations to contact sales for pricing.
What platforms does Web of Science support?
The listed platforms are web and API.
What research content can I search?
A single search can include journal content, conference papers, grants, preprints, dissertations, books, datasets and patents.
Does Web of Science integrate with EndNote or ORCID?
Registered users can export records to EndNote, and researcher profiles can sync publications with ORCID.
What are the API Expanded limits?
The plans range from two to five requests per second and from 50,000 to 3,000,000 full records per year.
Who makes Web of Science?
Clarivate provides Web of Science. The platform was founded in 1997, and Clarivate is headquartered in London, United Kingdom.
Facts from Web of Science's own pages
- Accessibility
- Clarivate says Web of Science is partially compliant with WCAG 2.2 AA and publishes an accessibility conformance report. · clarivate.com, 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, 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, 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, 7 Oct 2026
- API authentication
- The API Expanded page states that API access is secured with API keys. · developer.clarivate.com, 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, 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, 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, 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, 15 Oct 2026
- Company size
- LinkedIn lists Clarivate as a public information-services company with 10,001+ employees and London headquarters. · linkedin.com, 15 Oct 2026
- Content types
- A single search can include journal content, conference papers, grants, preprints, dissertations, books, datasets and patents. · clarivate.com, 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, 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, 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, 15 Oct 2026
- Discovery tools
- The platform supports finding new research, potential partners, trending topics and commercial opportunities in one interface. · clarivate.com, 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, 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, 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, 15 Oct 2026
- Founded
- 1997 · clarivate.com, 28 Sept 2026
- Headquarters
- London, United Kingdom · clarivate.com, 28 Sept 2026
- Integrations
- Registered users can connect ORCID and send references directly to EndNote online from Web of Science. · webofscience.help.clarivate.com, 15 Oct 2026
- iOS app status
- AppBrain lists MyRA as free, last updated May 18, 2022, with no changelog data and no longer available for download. · appbrain.com, 15 Oct 2026
- Legal company facts
- Clarivate Plc is incorporated in Jersey, has principal offices at 70 St Mary Axe in London and trades on the NYSE under CLVT. · sec.gov, 15 Oct 2026
- Limit: interface and support
- G2 feedback mentions a dated-looking interface, non-intuitive tools, slow publication decisions and difficulty reaching support. · g2.com, 15 Oct 2026
Where Web of Science stands on Freedom251
- Research Administration Software#2 of 20
- Academic Research Databases#13 of 35