US Copyright Office
The US Copyright Office is a government agency responsible for administering and enforcing copyright laws in the United States. The office is responsible for registering and documenting copyright claims, maintaining the public catalog of copyright records, providing bulk data downloads of registration records, and administering licensing programs. The Copyright Office provides open bulk datasets of approximately 22 million registration records and is modernizing its systems through the Enterprise Copyright System (ECS) program.
US Copyright Office publishes 4 APIs on the APIs.io network. Tagged areas include Copyright, Federal Government, Intellectual Property, and Open Data.
The US Copyright Office catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.
US Copyright Office’s developer surface includes engineering blog, documentation, getting-started guide, FAQ, and 8 more developer resources.
Kin Score
APIs 4
Individual APIs this provider publishes, each with its own machine-readable definition.
Copyright Public Records System
The Copyright Public Records System (CPRS) provides access to U.S. copyright registration and recordation data with advanced search capabilities and improved interfaces. Replace...
Copyright Bulk Datasets
Bulk download of approximately 22 million U.S. copyright registration records from January 1, 1978 to June 27, 2025. Available in raw unparsed MARC, parsed CSV, and tabular CSV ...
Licensing Documents Search
Searchable directory of licensing documents including compulsory license statements of account, royalty payments, and statutory license records maintained by the Copyright Office.
DMCA Designated Agent Directory
Searchable directory of Online Service Providers (OSPs) that have registered DMCA designated agents with the U.S. Copyright Office per Section 512 of the Digital Millennium Copy...
Pricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Us Copyright Office Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Features 6
Notable capabilities this provider offers.
Copyright Registration Bulk Data
Approximately 22 million copyright registration records from 1978 to present available for bulk download in MARC, parsed CSV, and tabular CSV formats across all copyright work c...
Copyright Public Records System (CPRS)
Advanced search system for copyright registration and recordation data, replacing the Online Public Catalog in June 2025.
Online Registration (eCO)
Electronic Copyright Office registration system for submitting new copyright registration applications online.
Licensing Documents Search
Searchable database of compulsory license statements of account and royalty payments filed with the Copyright Office.
DMCA Designated Agent Directory
Directory of online service providers that have registered DMCA designated agents per Section 512 of the DMCA.
Enterprise Copyright System Modernization
Ongoing modernization of all Copyright Office IT systems into a unified, interconnected digital infrastructure.
Semantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Us Copyright Office Context
JSON-LDSpectral Rules 1
Spectral governance rulesets for linting and validating these APIs.
US Copyright Office API Rules
SPECTRALJSON Schema 3
Standalone JSON Schema definitions for this provider's data models.
JSON Structure 3
JSON Structure definitions describing this provider's data shapes.
Us Copyright Office Dmca Agent Structure
JSON STRUCTUREUs Copyright Office Recordation Structure
JSON STRUCTUREUs Copyright Office Registration Structure
JSON STRUCTUREExamples 3
Example request and response payloads for these APIs.
Security Posture 1
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Use Cases 5
What developers build with this provider.
Copyright Research and Due Diligence
Searching copyright records to determine ownership, registration status, and rights information for works before licensing or use.
Bulk Data Analysis and Research
Downloading bulk copyright registration datasets for academic research, legal analysis, or statistical studies of copyright registration trends.
DMCA Compliance
Looking up DMCA designated agents for online service providers to send takedown notices per Section 512 requirements.
Licensing Compliance Verification
Searching licensing documents to verify statutory license compliance and royalty payment records.
Orphan Works Identification
Using copyright records to research ownership of works when rights holders cannot be identified or located.
Integrations 2
Pre-built integrations with other platforms and tools.
Library of Congress
Copyright Office is a department of the Library of Congress; data integrates with LC catalog systems and MARC format records.
U.S. Patent and Trademark Office
Collaborates with USPTO on intellectual property policy, including joint AI and copyright/patent studies.
Resources
Get Started 1
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Design & Contract 2
Pagination, idempotency, versioning, errors, and events
Access & Security 1
Authentication, authorization, and security posture
Operate 2
Status, limits, changes, and where to get help
Commercial 1
Pricing, plans, and the legal terms of use
Company 3
The organization behind the API
Other 1
Properties that don't map to a standard resource type