Chronicling America

Chronicling America is a Library of Congress initiative providing free public access to a searchable database of historic American newspaper pages from 1770 to 1963. The platform hosts over 20 million digitized newspaper pages from hundreds of US newspapers contributed by institutions in the National Digital Newspaper Program (NDNP). The API exposes search, title, issue, batch, and OCR text endpoints with no authentication required, returning responses in JSON and Atom feed formats.

3 APIs 0 Features
NewspapersHistoricalArchivesLibrary of CongressGovernmentDigitizedOCRSearchCultural Heritage

APIs

Chronicling America Search API

The Chronicling America Search API provides full-text search across over 20 million historic American newspaper pages digitized under the National Digital Newspaper Program. Cal...

Chronicling America Titles API

The Titles API exposes bibliographic metadata for every newspaper title in the Chronicling America collection. Callers can retrieve the full title list, look up a specific title...

Chronicling America Pages API

The Pages API provides access to individual newspaper page records including OCR text, IIIF image service URLs, PDF downloads, and JP2 image files. Pages are addressed by LCCN, ...

Pricing Plans

Rate Limits

Chroniclingamerica Rate Limits

3 limits

RATE LIMITS

FinOps

Semantic Vocabularies

Chroniclingamerica Context

0 classes · 0 properties

JSON-LD

Resources

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Website
Website
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Documentation
Documentation
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About
About
👥
GitHubOrg
GitHubOrg
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X
X
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LinkedIn
LinkedIn
📜
TermsOfService
TermsOfService
📜
PrivacyPolicy
PrivacyPolicy
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Plans
Plans
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RateLimits
RateLimits
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FinOps
FinOps
🔗
JSONLD
JSONLD

Sources

Raw ↑
aid: chroniclingamerica
name: Chronicling America
description: Chronicling America is a Library of Congress initiative providing free public access to a searchable database
  of historic American newspaper pages from 1770 to 1963. The platform hosts over 20 million digitized newspaper pages from
  hundreds of US newspapers contributed by institutions in the National Digital Newspaper Program (NDNP). The API exposes
  search, title, issue, batch, and OCR text endpoints with no authentication required, returning responses in JSON and Atom
  feed formats.
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
url: https://raw.githubusercontent.com/api-evangelist/chroniclingamerica/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
type: Index
tags:
- Newspapers
- Historical
- Archives
- Library of Congress
- Government
- Digitized
- OCR
- Search
- Cultural Heritage
apis:
- aid: chroniclingamerica:chronicling-america-search-api
  name: Chronicling America Search API
  description: The Chronicling America Search API provides full-text search across over 20 million historic American newspaper
    pages digitized under the National Digital Newspaper Program. Callers can search by keyword, date range, state, newspaper
    title (LCCN), and page-level fields. Responses are available in JSON or Atom format. No authentication or API key is required.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://chroniclingamerica.loc.gov/about/api/
  baseURL: https://chroniclingamerica.loc.gov
  tags:
  - Newspapers
  - Search
  - Historical
  - OCR
  - Full-Text
  properties:
  - type: Documentation
    url: https://chroniclingamerica.loc.gov/about/api/
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/chroniclingamerica/refs/heads/main/openapi/chroniclingamerica-openapi.yml
  - type: TermsOfService
    url: https://www.loc.gov/legal/
  - type: PrivacyPolicy
    url: https://www.loc.gov/legal/privacy-policy/
  contact:
  - FN: Library of Congress
    url: https://www.loc.gov/about/contact-us/
- aid: chroniclingamerica:chronicling-america-titles-api
  name: Chronicling America Titles API
  description: The Titles API exposes bibliographic metadata for every newspaper title in the Chronicling America collection.
    Callers can retrieve the full title list, look up a specific title by LCCN (Library of Congress Control Number), list
    all digitized issues for a title, and retrieve individual batch records. Responses are available in JSON and Atom formats.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://chroniclingamerica.loc.gov/about/api/
  baseURL: https://chroniclingamerica.loc.gov
  tags:
  - Newspapers
  - Titles
  - LCCN
  - Bibliographic
  - Metadata
  properties:
  - type: Documentation
    url: https://chroniclingamerica.loc.gov/about/api/
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/chroniclingamerica/refs/heads/main/openapi/chroniclingamerica-openapi.yml
  - type: TermsOfService
    url: https://www.loc.gov/legal/
  contact:
  - FN: Library of Congress
    url: https://www.loc.gov/about/contact-us/
- aid: chroniclingamerica:chronicling-america-pages-api
  name: Chronicling America Pages API
  description: The Pages API provides access to individual newspaper page records including OCR text, IIIF image service URLs,
    PDF downloads, and JP2 image files. Pages are addressed by LCCN, date, edition, and sequence number. OCR text can be retrieved
    as plain text or coordinates. The underlying image files are available in JP2, PDF, and TIFF formats hosted on LOC storage
    services.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://chroniclingamerica.loc.gov/about/api/
  baseURL: https://chroniclingamerica.loc.gov
  tags:
  - Newspapers
  - Pages
  - OCR
  - Images
  - PDF
  - JP2
  - IIIF
  properties:
  - type: Documentation
    url: https://chroniclingamerica.loc.gov/about/api/
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/chroniclingamerica/refs/heads/main/openapi/chroniclingamerica-openapi.yml
  - type: TermsOfService
    url: https://www.loc.gov/legal/
  contact:
  - FN: Library of Congress
    url: https://www.loc.gov/about/contact-us/
common:
- type: Website
  url: https://chroniclingamerica.loc.gov
- type: Documentation
  url: https://chroniclingamerica.loc.gov/about/api/
- type: About
  url: https://chroniclingamerica.loc.gov/about/
- type: GitHubOrg
  url: https://github.com/LibraryOfCongress
- type: X
  url: https://twitter.com/librarycongress
- type: LinkedIn
  url: https://www.linkedin.com/company/library-of-congress
- type: TermsOfService
  url: https://www.loc.gov/legal/
- type: PrivacyPolicy
  url: https://www.loc.gov/legal/privacy-policy/
- type: Plans
  url: plans/chroniclingamerica-plans-pricing.yml
- type: RateLimits
  url: rate-limits/chroniclingamerica-rate-limits.yml
- type: FinOps
  url: finops/chroniclingamerica-finops.yml
- type: JSONLD
  url: https://raw.githubusercontent.com/api-evangelist/chroniclingamerica/refs/heads/main/json-ld/chroniclingamerica.jsonld
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com