# Crossref Membership

**Canonical:** https://apis.io/apis/unicamp/crossref-membership/  
**Provider:** University of Campinas — https://apis.io/providers/unicamp/  
**Base URL:** https://api.crossref.org/members/27633  
**Documentation:** https://www.crossref.org/

Crossref Membership is one of 11 APIs that [University of Campinas](https://apis.io/providers/unicamp/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include DOI, Crossref, Persistent Identifiers, and Registry Membership.

Unicamp is Crossref member 27633, "Universidade Estadual de Campinas", registering DOIs for its SBU journal portal and other scholarly output. Verified 2026-09-01: https://api.crossref.org/members/27633 returns 200 with 13,018 DOIs (2,723 current, 10,295 backfile). Membership recorded; Crossref's API contract is Crossref's.

## Machine-readable artifacts (1)

- **Registration** — https://api.crossref.org/members/27633

## Other University of Campinas APIs (10)

- [REDU Dataverse Native & Search API](https://apis.io/apis/unicamp/redu-dataverse-api/)
- [REDU OAI-PMH Metadata Endpoint](https://apis.io/apis/unicamp/redu-oai-pmh/)
- [EDAT Data Platform API](https://apis.io/apis/unicamp/edat-data-api/)
- [EDAT Keycloak OpenID Connect Provider](https://apis.io/apis/unicamp/edat-keycloak-oidc/)
- [Unicamp Shibboleth Identity Provider (CAFe)](https://apis.io/apis/unicamp/cafe-shibboleth-idp/)
- [SBU Journal Portal OAI-PMH Endpoints](https://apis.io/apis/unicamp/sbu-periodicos-oai/)
- [DAC Registrar API (closed)](https://apis.io/apis/unicamp/dac-registrar-api/)
- [Institutional API Gateway (api.unicamp.br)](https://apis.io/apis/unicamp/institutional-api-gateway/)
- [DataCite Membership and DOI Registration](https://apis.io/apis/unicamp/datacite-membership/)
- [ROR Organization Registration](https://apis.io/apis/unicamp/ror-registration/)

## Tags

DOI, Crossref, Persistent Identifiers, Registry Membership

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/unicamp/crossref-membership/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/unicamp/.