Web of Science APIs

The Web of Science APIs provide programmatic access to Clarivate's Web of Science databases, the world's leading citation index covering over 21,000 peer-reviewed journals across the sciences, social sciences, and humanities. The API suite includes the Starter API for basic bibliographic metadata and journal discovery, and the Expanded API for advanced search, citation tracking, related records, and bibliometric reporting with h-index and year-by-year citation analysis.

Web of Science APIs publishes 6 APIs on the APIs.io network, including citations API, documents API, journals API, and 3 more. Tagged areas include Research, Academic, Bibliometrics, Citations, and Science.

The Web of Science APIs catalog on APIs.io includes 1 JSON-LD context and 3 Spectral governance rulesets.

Web of Science APIs’ developer surface includes authentication, documentation, support, engineering blog, and 12 more developer resources.

🌐 Visit website 📡 Source on GitHub

43.8/100 developing ▬ flat Agent 26/100 agent aware saas Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

AccessFreemiumSelf serve⚡ Free to try

2 APIs 7 Features 4 Use Cases

Research Academic Bibliometrics Citations Science Scholarly

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 43.8/100 · developing

Contract Quality 11.8 / 19

Developer Ergonomics 5.9 / 15

Access Clarity 5.5 / 15

Operational Transparency 1.0 / 10

Contract Governance 2.6 / 9

Discoverability 4.4 / 8

Regulatory Posture 6.9 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 26/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Regulatory Posture applies to this provider. Its tags matched the Education & Research regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/web-of-science-apis: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 6

Individual APIs this provider publishes, each with its own machine-readable definition.

Web of Science APIs citations API

The citations API from Web of Science APIs — 3 operation(s) for citations.

Web of Science APIs documents API

The documents API from Web of Science APIs — 2 operation(s) for documents.

Web of Science APIs journals API

The journals API from Web of Science APIs — 2 operation(s) for journals.

Web of Science APIs records API

The records API from Web of Science APIs — 1 operation(s) for records.

Web of Science APIs reports API

The reports API from Web of Science APIs — 2 operation(s) for reports.

Web of Science APIs search API

The search API from Web of Science APIs — 3 operation(s) for search.

Postman Collections 6

Ready-to-run Postman collections for exercising this provider's APIs.

Web of Science API Expanded citations API

POSTMAN

Web of Science API Expanded citations documents API

POSTMAN

Web of Science API Expanded citations journals API

POSTMAN

Web of Science API Expanded citations records API

POSTMAN

Web of Science API Expanded citations reports API

POSTMAN

Web of Science API Expanded citations search API

POSTMAN

Open Collections 9

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

API Collection

OPEN COLLECTION

Web of Science API Expanded citations API

OPEN COLLECTION

Web of Science API Expanded citations documents API

OPEN COLLECTION

Web of Science API Expanded citations journals API

OPEN COLLECTION

Web of Science API Expanded citations records API

OPEN COLLECTION

Web of Science API Expanded citations reports API

OPEN COLLECTION

Web of Science API Expanded citations search API

OPEN COLLECTION

Web of Science API Expanded

OPEN COLLECTION

Web of Science Starter API

OPEN COLLECTION

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Pricing Plans 1

Published pricing tiers and plan structures.

Web Of Science Apis Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Web Of Science Apis Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Web Of Science Apis Finops

FINOPS

Features 7

Notable capabilities this provider offers.

Advanced Document Search

Search over 100 million records using Web of Science Advanced Query Syntax with 16 searchable field tags including topic, author, DOI, organization, and funding agency.

Citation Tracking

Track forward citations (articles citing a paper) and backward citations (reference list) to understand the full citation network of any paper.

Bibliometric Reporting

Generate citation reports with h-index, total citations, average citations per item, and year-by-year citation and publication counts.

Related Records Discovery

Find research papers related to a given article by identifying records that share cited references.

Journal Metadata

Retrieve journal information including ISSN, publisher, subject categories, and Journal Citation Reports profile URL.

Multi-Database Search

Search across 12 Web of Science databases including Core Collection, MEDLINE, BIOSIS, and Zoological Record.

Times-Cited Counts

Access real-time times-cited counts for documents across Web of Science databases for impact assessment.

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Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Web Of Science Context

0 classes · 113 properties

JSON-LD

Spectral Rules 3

Spectral governance rulesets for linting and validating these APIs.

Web of Science APIs API Rules

5 rules · 3 warnings 2 info

SPECTRAL

Web of Science APIs API Rules

10 rules · 1 errors 8 warnings 1 info

SPECTRAL

Web of Science APIs API Rules

22 rules · 8 errors 7 warnings 7 info

SPECTRAL

JSON Schema 29

Standalone JSON Schema definitions for this provider's data models.

Author

3 properties

JSON SCHEMA

CategoryContext

1 properties

JSON SCHEMA

CategoryCount

2 properties

JSON SCHEMA

CitationCount

2 properties

JSON SCHEMA

CitationReport

6 properties

JSON SCHEMA

DocumentIdentifiers

4 properties

JSON SCHEMA

DocumentKeywords

2 properties

JSON SCHEMA

DocumentLinks

3 properties

JSON SCHEMA

DocumentNames

1 properties

JSON SCHEMA

DocumentPages

4 properties

JSON SCHEMA

Document

10 properties

JSON SCHEMA

DocumentSource

8 properties

JSON SCHEMA

DocumentsSearchResponse

4 properties

JSON SCHEMA

DynamicData

1 properties

JSON SCHEMA

ErrorResponse

2 properties

JSON SCHEMA

FullRecordMetadata

4 properties

JSON SCHEMA

Journal

10 properties

JSON SCHEMA

JournalsSearchResponse

4 properties

JSON SCHEMA

PubInfo

5 properties

JSON SCHEMA

QueryResult

3 properties

JSON SCHEMA

RecordIdsResponse

2 properties

JSON SCHEMA

RecordSummary

5 properties

JSON SCHEMA

Records

1 properties

JSON SCHEMA

SearchRequest

7 properties

JSON SCHEMA

SearchResponse

2 properties

JSON SCHEMA

StaticData

2 properties

JSON SCHEMA

TimeSpan

2 properties

JSON SCHEMA

WosRecord

3 properties

JSON SCHEMA

YearCount

2 properties

JSON SCHEMA

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JSON Structure 29

JSON Structure definitions describing this provider's data shapes.

Web Of Science Author Structure

3 properties

JSON STRUCTURE

Web Of Science Category Context Structure

1 properties

JSON STRUCTURE

Web Of Science Category Count Structure

2 properties

JSON STRUCTURE

Web Of Science Citation Count Structure

2 properties

JSON STRUCTURE

Web Of Science Citation Report Structure

6 properties

JSON STRUCTURE

Web Of Science Document Identifiers Structure

4 properties

JSON STRUCTURE

Web Of Science Document Keywords Structure

2 properties

JSON STRUCTURE

Web Of Science Document Links Structure

3 properties

JSON STRUCTURE

Web Of Science Document Names Structure

1 properties

JSON STRUCTURE

Web Of Science Document Pages Structure

4 properties

JSON STRUCTURE

Web Of Science Document Source Structure

8 properties

JSON STRUCTURE

Web Of Science Document Structure

10 properties

JSON STRUCTURE

Web Of Science Documents Search Response Structure

4 properties

JSON STRUCTURE

Web Of Science Dynamic Data Structure

1 properties

JSON STRUCTURE

Web Of Science Error Response Structure

2 properties

JSON STRUCTURE

Web Of Science Full Record Metadata Structure

4 properties

JSON STRUCTURE

Web Of Science Journal Structure

10 properties

JSON STRUCTURE

Web Of Science Journals Search Response Structure

4 properties

JSON STRUCTURE

Web Of Science Pub Info Structure

5 properties

JSON STRUCTURE

Web Of Science Query Result Structure

3 properties

JSON STRUCTURE

Web Of Science Record Ids Response Structure

2 properties

JSON STRUCTURE

Web Of Science Record Summary Structure

5 properties

JSON STRUCTURE

Web Of Science Records Structure

1 properties

JSON STRUCTURE

Web Of Science Search Request Structure

7 properties

JSON STRUCTURE

Web Of Science Search Response Structure

2 properties

JSON STRUCTURE

Web Of Science Static Data Structure

2 properties

JSON STRUCTURE

Web Of Science Time Span Structure

2 properties

JSON STRUCTURE

Web Of Science Wos Record Structure

3 properties

JSON STRUCTURE

Web Of Science Year Count Structure

2 properties

JSON STRUCTURE

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Examples 29

Example request and response payloads for these APIs.

Web Of Science Author Example

3 fields

EXAMPLE

Web Of Science Category Context Example

1 fields

EXAMPLE

Web Of Science Category Count Example

2 fields

EXAMPLE

Web Of Science Citation Count Example

2 fields

EXAMPLE

Web Of Science Citation Report Example

6 fields

EXAMPLE

Web Of Science Document Example

10 fields

EXAMPLE

Web Of Science Document Identifiers Example

4 fields

EXAMPLE

Web Of Science Document Keywords Example

2 fields

EXAMPLE

Web Of Science Document Links Example

3 fields

EXAMPLE

Web Of Science Document Names Example

1 fields

EXAMPLE

Web Of Science Document Pages Example

4 fields

EXAMPLE

Web Of Science Document Source Example

8 fields

EXAMPLE

Web Of Science Documents Search Response Example

4 fields

EXAMPLE

Web Of Science Dynamic Data Example

1 fields

EXAMPLE

Web Of Science Error Response Example

2 fields

EXAMPLE

Web Of Science Full Record Metadata Example

4 fields

EXAMPLE

Web Of Science Journal Example

10 fields

EXAMPLE

Web Of Science Journals Search Response Example

4 fields

EXAMPLE

Web Of Science Pub Info Example

5 fields

EXAMPLE

Web Of Science Query Result Example

3 fields

EXAMPLE

Web Of Science Record Ids Response Example

2 fields

EXAMPLE

Web Of Science Record Summary Example

5 fields

EXAMPLE

Web Of Science Records Example

1 fields

EXAMPLE

Web Of Science Search Request Example

7 fields

EXAMPLE

Web Of Science Search Response Example

2 fields

EXAMPLE

Web Of Science Static Data Example

2 fields

EXAMPLE

Web Of Science Time Span Example

2 fields

EXAMPLE

Web Of Science Wos Record Example

3 fields

EXAMPLE

Web Of Science Year Count Example

2 fields

EXAMPLE

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Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Web Of Science Apis Authentication

apiKey · 1 scheme

SECURITY

Web Of Science Apis Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Web Of Science Apis Agentic Access

14 operations · 1 acting

AGENTIC

Use Cases 4

What developers build with this provider.

Literature Review Automation

Automate systematic literature review by programmatically searching and retrieving bibliographic metadata from Web of Science.

Research Impact Analysis

Analyze the impact of publications or researchers using citation counts, h-index, and bibliometric reports.

Citation Network Analysis

Build citation networks by tracing forward and backward citations to map the intellectual lineage of research topics.

Journal Selection

Identify appropriate journals for manuscript submission by searching journal metadata and impact metrics.

Resources

Get Started 1

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

SpectralRules

SpectralRules

Vocabulary

Vocabulary

Build 2

SDKs, sample code, and the tooling you integrate with

PostmanWorkspace

PostmanWorkspace

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Other 1

Properties that don't map to a standard resource type

CapabilityMap

CapabilityMap

Source (apis.yml)

aid: web-of-science-apis
name: Web of Science APIs
description: The Web of Science APIs provide programmatic access to Clarivate's Web of Science databases, the world's leading
  citation index covering over 21,000 peer-reviewed journals across the sciences, social sciences, and humanities. The API
  suite includes the Starter API for basic bibliographic metadata and journal discovery, and the Expanded API for advanced
  search, citation tracking, related records, and bibliometric reporting with h-index and year-by-year citation analysis.
type: Index
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: medium
  source:
  - plans
  - authentication
  - security
  generated: '2026-09-03'
  method: derived
position: Consuming
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/web-of-science-apis.png
tags:
- Research
- Academic
- Bibliometrics
- Citations
- Science
- Scholarly
url: https://raw.githubusercontent.com/api-evangelist/web-of-science-apis/refs/heads/main/apis.yml
created: '2025-02-06'
modified: '2026-05-19'
specificationVersion: '0.23'
apis:
- aid: web-of-science-apis:web-of-science-apis-citations-api
  name: Web of Science APIs citations API
  description: The citations API from Web of Science APIs — 3 operation(s) for citations.
  humanURL: https://developer.clarivate.com/apis/wos-starter
  tags:
  - Citations
  tags_raw:
  - citations
  properties:
  - type: OpenAPI
    url: openapi/web-of-science-apis-citations-api-openapi.yml
  - type: Documentation
    url: https://developer.clarivate.com/apis/wos-starter
  - type: SwaggerUI
    url: https://developer.clarivate.com/apis/wos-starter/swagger
  - type: Documentation
    url: https://developer.clarivate.com/apis/wos
  - type: SwaggerUI
    url: https://developer.clarivate.com/apis/wos/swagger
- aid: web-of-science-apis:web-of-science-apis-documents-api
  name: Web of Science APIs documents API
  description: The documents API from Web of Science APIs — 2 operation(s) for documents.
  humanURL: https://developer.clarivate.com/apis/wos-starter
  tags:
  - Documents
  tags_raw:
  - documents
  properties:
  - type: OpenAPI
    url: openapi/web-of-science-apis-documents-api-openapi.yml
  - type: Documentation
    url: https://developer.clarivate.com/apis/wos-starter
  - type: SwaggerUI
    url: https://developer.clarivate.com/apis/wos-starter/swagger
  - type: Documentation
    url: https://developer.clarivate.com/apis/wos
  - type: SwaggerUI
    url: https://developer.clarivate.com/apis/wos/swagger
- aid: web-of-science-apis:web-of-science-apis-journals-api
  name: Web of Science APIs journals API
  description: The journals API from Web of Science APIs — 2 operation(s) for journals.
  humanURL: https://developer.clarivate.com/apis/wos-starter
  tags:
  - Journals
  tags_raw:
  - journals
  properties:
  - type: OpenAPI
    url: openapi/web-of-science-apis-journals-api-openapi.yml
  - type: Documentation
    url: https://developer.clarivate.com/apis/wos-starter
  - type: SwaggerUI
    url: https://developer.clarivate.com/apis/wos-starter/swagger
  - type: Documentation
    url: https://developer.clarivate.com/apis/wos
  - type: SwaggerUI
    url: https://developer.clarivate.com/apis/wos/swagger
- aid: web-of-science-apis:web-of-science-apis-records-api
  name: Web of Science APIs records API
  description: The records API from Web of Science APIs — 1 operation(s) for records.
  humanURL: https://developer.clarivate.com/apis/wos-starter
  tags:
  - Records
  tags_raw:
  - records
  properties:
  - type: OpenAPI
    url: openapi/web-of-science-apis-records-api-openapi.yml
  - type: Documentation
    url: https://developer.clarivate.com/apis/wos-starter
  - type: SwaggerUI
    url: https://developer.clarivate.com/apis/wos-starter/swagger
  - type: Documentation
    url: https://developer.clarivate.com/apis/wos
  - type: SwaggerUI
    url: https://developer.clarivate.com/apis/wos/swagger
- aid: web-of-science-apis:web-of-science-apis-reports-api
  name: Web of Science APIs reports API
  description: The reports API from Web of Science APIs — 2 operation(s) for reports.
  humanURL: https://developer.clarivate.com/apis/wos-starter
  tags:
  - Reports
  tags_raw:
  - reports
  properties:
  - type: OpenAPI
    url: openapi/web-of-science-apis-reports-api-openapi.yml
  - type: Documentation
    url: https://developer.clarivate.com/apis/wos-starter
  - type: SwaggerUI
    url: https://developer.clarivate.com/apis/wos-starter/swagger
  - type: Documentation
    url: https://developer.clarivate.com/apis/wos
  - type: SwaggerUI
    url: https://developer.clarivate.com/apis/wos/swagger
- aid: web-of-science-apis:web-of-science-apis-search-api
  name: Web of Science APIs search API
  description: The search API from Web of Science APIs — 3 operation(s) for search.
  humanURL: https://developer.clarivate.com/apis/wos-starter
  tags:
  - Search
  tags_raw:
  - search
  properties:
  - type: OpenAPI
    url: openapi/web-of-science-apis-search-api-openapi.yml
  - type: Documentation
    url: https://developer.clarivate.com/apis/wos-starter
  - type: SwaggerUI
    url: https://developer.clarivate.com/apis/wos-starter/swagger
  - type: Documentation
    url: https://developer.clarivate.com/apis/wos
  - type: SwaggerUI
    url: https://developer.clarivate.com/apis/wos/swagger
common:
- type: CapabilityMap
  url: capabilities/web-of-science-apis-capability-edges.yml
  name: Web of Science APIs Business Capability Map
- type: PostmanWorkspace
  url: https://www.postman.com/kinlaneapi/web-of-science-apis/overview
- type: AgenticAccess
  url: agentic-access/web-of-science-apis-agentic-access.yml
- type: DomainSecurity
  url: security/web-of-science-apis-domain-security.yml
- type: Authentication
  url: authentication/web-of-science-apis-authentication.yml
- type: GitHubOrganization
  url: https://github.com/clarivate
- type: LinkedIn
  url: https://www.linkedin.com/showcase/clarivateacademiagovernment
- url: https://developer.clarivate.com/apis/wos-starter
  type: Documentation
- url: https://clarivate.com/products/scientific-and-academic-research/research-discovery-and-referencing/web-of-science/
  type: Website
- url: https://developer.clarivate.com
  type: DeveloperPortal
- url: https://developer.clarivate.com/support
  type: Support
- url: https://clarivate.com/legal/terms-conditions/
  type: TermsOfService
- url: https://clarivate.com/privacy-statement/
  type: PrivacyPolicy
- url: https://clarivate.com/blog/
  type: Blog
- type: SpectralRules
  url: rules/web-of-science-spectral-rules.yml
- type: Vocabulary
  url: vocabulary/web-of-science-vocabulary.yml
- type: Features
  data:
  - name: Advanced Document Search
    description: Search over 100 million records using Web of Science Advanced Query Syntax with 16 searchable field tags
      including topic, author, DOI, organization, and funding agency.
  - name: Citation Tracking
    description: Track forward citations (articles citing a paper) and backward citations (reference list) to understand the
      full citation network of any paper.
  - name: Bibliometric Reporting
    description: Generate citation reports with h-index, total citations, average citations per item, and year-by-year citation
      and publication counts.
  - name: Related Records Discovery
    description: Find research papers related to a given article by identifying records that share cited references.
  - name: Journal Metadata
    description: Retrieve journal information including ISSN, publisher, subject categories, and Journal Citation Reports
      profile URL.
  - name: Multi-Database Search
    description: Search across 12 Web of Science databases including Core Collection, MEDLINE, BIOSIS, and Zoological Record.
  - name: Times-Cited Counts
    description: Access real-time times-cited counts for documents across Web of Science databases for impact assessment.
- type: UseCases
  data:
  - name: Literature Review Automation
    description: Automate systematic literature review by programmatically searching and retrieving bibliographic metadata
      from Web of Science.
  - name: Research Impact Analysis
    description: Analyze the impact of publications or researchers using citation counts, h-index, and bibliometric reports.
  - name: Citation Network Analysis
    description: Build citation networks by tracing forward and backward citations to map the intellectual lineage of research
      topics.
  - name: Journal Selection
    description: Identify appropriate journals for manuscript submission by searching journal metadata and impact metrics.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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