AI Tool

Crossref pricing, features, company info, and alternatives

A factual product page for Crossref as open scholarly metadata infrastructure with a REST API.

Last updated April 2026 ยท Pricing and features verified against official documentation

Categories Research & Knowledge
Starting price $200/year
Company Crossref
Launched 2000
Verified Apr 17, 2026

Pricing

Current public pricing tiers on file for Crossref, last verified Apr 17, 2026.

Public REST API

$0

No sign-up is required to use the public REST API, and metadata use is free.

Member tier 1

$200 / year

For organizations with under $1,000 in annual publishing revenue or expenses.

Member tier 2

$275 / year

For organizations with $1,000 to $1 million in annual publishing revenue or expenses.

Member tier 3

$550 / year

For organizations with $1 million to $5 million in annual publishing revenue or expenses.

Member tier 4

$1,650 / year

For organizations with $5 million to $10 million in annual publishing revenue or expenses.

Member tier 5

$3,900 / year

For organizations with $10 million to $25 million in annual publishing revenue or expenses.

Member tier 6

$8,300 / year

For organizations with $25 million to $50 million in annual publishing revenue or expenses.

Member tier 7

$14,000 / year

For organizations with $50 million to $100 million in annual publishing revenue or expenses.

Member tier 8

$22,000 / year

For organizations with $100 million to $200 million in annual publishing revenue or expenses.

Member tier 9

$33,000 / year

For organizations with $200 million to $500 million in annual publishing revenue or expenses.

Member tier 10

$50,000 / year

For organizations with more than $500 million in annual publishing revenue or expenses.

Metadata Plus

Contact sales / year

Tiered annual subscription for predictable service levels and monthly XML or JSON snapshots.

What You Can Do With It

The main capabilities that shape how people use Crossref today.

Register and steward DOI-linked metadata for scholarly outputs, including provenance, funding, license, and relationship data.

Query the public REST API for works, journals, members, funders, prefixes, types, and licenses.

Access bibliographic metadata that includes ORCID and ROR identifiers, post-publication updates, and abstracts where available.

Use the open metadata network to support discovery, analytics, and downstream research workflows.

Best For

Who Crossref is most clearly built for.

Publishers and scholarly organizations that need DOI registration and metadata stewardship.

Developers building research infrastructure on top of DOI-linked records.

Teams that need open scholarly metadata for discovery, enrichment, or analytics.

Platforms

Where you can use Crossref today.

Web

API

Monthly XML/JSON snapshots

Privacy Notes

Publicly stated data-handling notes that matter when evaluating Crossref.

Crossref says it uses Matomo for site analytics and that Matomo does not hold onto your data.

The privacy notice says personal data provided to Crossref may be transferred to the United States.

Membership sign-up data is stored in CRM and email systems for member operations.

Compliance

Public compliance or enterprise-governance signals we found for Crossref.

POSI

Access

How to integrate or build around Crossref.

Public API

Yes

Docs

Available

Alternatives

Other tools worth considering alongside Crossref.

OpenAlex

Open research catalog and API for scholarly works, authors, institutions, and related metadata.

Dimensions

Linked research-data platform for discovery, analytics, and research-security workflows.

Semantic Scholar

Free AI-powered research tool for scientific literature search and discovery.

PubMed

Free biomedical literature database for searching citations, abstracts, and linked full text.

Product Snapshot

Crossref is a nonprofit scholarly metadata registry and DOI infrastructure service. It lets members register and steward metadata, and it exposes that metadata through a public REST API.

What You Can Do With It

Why It Stands Out

It is built as shared scholarly infrastructure: the value is the metadata network itself, not a standalone search UI.

Tradeoffs To Know

Sources
  1. crossref.org/fees
  2. crossref.org/membership
  3. crossref.org/about
  4. crossref.org/about/history
  5. crossref.org/news/2000-06-05-crossref-goes-live-journal-reference-linking-service-membership-roster-grows-to-33-publishers
  6. crossref.org/documentation/retrieve-metadata/rest-api
  7. crossref.org/operations-and-sustainability/privacy