Fatcat

Fatcat is a versioned, user-editable open catalog of published research works maintained by the Internet Archive. It tracks bibliographic metadata, links papers to full-text copies, and preserves access to scholarly publications including journal articles, conference proceedings, and datasets across millions of research works.

1 APIs 0 Features

ScholarlyResearchAcademicOpen AccessBibliographicPublicationsMetadataInternet Archive

APIs

Fatcat REST API

RESTful API providing access to Fatcat's open scholarly catalog, enabling lookup and management of bibliographic metadata for research works including releases, containers, crea...

Pricing Plans

Plans

1 plans

PLANS

Rate Limits

0 limits

RATE LIMITS

FinOps

Finops

FINOPS

Semantic Vocabularies

context Context

8 classes · 65 properties

JSON-LD

Example Payloads

Container Entity Example

12 fields

EXAMPLE

Creator Entity Example

9 fields

EXAMPLE

Editgroup Example

7 fields

EXAMPLE

File Entity Example

11 fields

EXAMPLE

Release Entity Example

21 fields

EXAMPLE

Sources

name: Fatcat
description: Fatcat is a versioned, user-editable open catalog of published research works maintained by the Internet Archive.
  It tracks bibliographic metadata, links papers to full-text copies, and preserves access to scholarly publications including
  journal articles, conference proceedings, and datasets across millions of research works.
image: https://fatcat.wiki/static/fatcat_logo.svg
url: https://fatcat.wiki/
tags:
- Scholarly
- Research
- Academic
- Open Access
- Bibliographic
- Publications
- Metadata
- Internet Archive
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
apis:
- name: Fatcat REST API
  description: RESTful API providing access to Fatcat's open scholarly catalog, enabling lookup and management of bibliographic
    metadata for research works including releases, containers, creators, files, filesets, and webcaptures across millions
    of publications.
  image: https://fatcat.wiki/static/fatcat_logo.svg
  humanURL: https://api.fatcat.wiki/redoc
  baseURL: https://api.fatcat.wiki/v0
  tags:
  - Scholarly
  - Research
  - Bibliographic
  - Open Access
  - Metadata
  properties:
  - type: Documentation
    url: https://guide.fatcat.wiki/http_api.html
  - type: OpenAPI
    url: https://raw.githubusercontent.com/internetarchive/fatcat/master/fatcat-openapi2.yml
  - type: Redoc
    url: https://api.fatcat.wiki/redoc
  - type: GitHubRepository
    url: https://github.com/internetarchive/fatcat
  - type: PricingPage
    url: https://guide.fatcat.wiki/http_api.html
  - type: Plans
    url: plans/plans.yml
  - type: RateLimits
    url: rate-limits/rate-limits.yml
  - type: FinOps
    url: finops/finops.yml
  contact:
  - FN: Fatcat / Internet Archive
    email: ''
    url: https://gitter.im/internetarchive/fatcat
  meta:
  - name: x-authentication-type
    value: Bearer Token (Macaroon)
  - name: x-api-version
    value: v0
  - name: x-qa-base-url
    value: https://api.qa.fatcat.wiki/v0
maintainers:
- FN: Internet Archive
  url: https://archive.org/
  email: info@archive.org