ClearlyDefined

Plans and prices

Every plan, in full

On the record

Access

Users can browse the data in a web UI or connect their systems through the REST API.docs.clearlydefined.io · read 4 Oct 2026

API limits

On the production API, POST requests to definitions, curations, and notices are limited to 250 per minute, while other endpoints allow up to 2,000 requests per minute.docs.clearlydefined.io · read 4 Oct 2026

Community support

The project invites participation through its GitHub community and Discord forum.docs.clearlydefined.io · read 4 Oct 2026

Curation

Contributors can submit curation changes through the API, where they ultimately surface as pull requests in the configured curation repository.docs.clearlydefined.io · read 4 Oct 2026

Data

The project manages harvested data, curated data, and a merge of both, relating data to source code or packages.docs.clearlydefined.io · read 4 Oct 2026

Governance

The FAQ says ClearlyDefined is managed by the Open Source Initiative.docs.clearlydefined.io · read 4 Oct 2026

Harvesting

ClearlyDefined can harvest component data using tools such as ScanCode and FOSSology.docs.clearlydefined.io · read 4 Oct 2026

Integrations

The documented provider list includes GitHub, Maven Central, NpmJS, NuGet, GitLab, crates.io, and other package providers.docs.clearlydefined.io · read 4 Oct 2026

License information

Definitions can include declared and discovered licenses, attribution parties, file details, and source information.docs.clearlydefined.io · read 4 Oct 2026

Open source terms

The source code is licensed under MIT and the data is distributed under CC0.docs.clearlydefined.io · read 4 Oct 2026

Purpose

ClearlyDefined is an open source project that crowdsources the gathering, curation, and upstreaming of licensing, security, and other data about free and open source projects.docs.clearlydefined.io · read 4 Oct 2026

Scope limit

ClearlyDefined assigns unique coordinates to components and allows links between them, but says it is not attempting to solve the identity problem.docs.clearlydefined.io · read 4 Oct 2026

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