# PMC OAI-PMH Service

**Canonical:** https://apis.io/apis/ncbi/pmc-oai-pmh-service/  
**Provider:** National Center for Biotechnology Information (NCBI) — https://apis.io/providers/ncbi/  
**Base URL:** https://pmc.ncbi.nlm.nih.gov/api/oai/v1/mh/  
**Documentation:** https://pmc.ncbi.nlm.nih.gov/tools/oai/

PMC OAI-PMH Service is one of 14 APIs that [National Center for Biotechnology Information (NCBI)](https://apis.io/providers/ncbi/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include PubMed Central, OAI-PMH, Metadata Harvesting, Literature, and Open Access. The published artifact set on APIs.io includes API documentation and rate-limit docs.

The PMC OAI-PMH (Open Archives Initiative Protocol for Metadata Harvesting) service allows bulk harvesting of metadata for all items in the PMC archive and full-text content for articles with Creative Commons licenses. It follows the OAI-PMH 2.0 protocol standard and is suited for building downstream literature indexes and research data pipelines.

## Machine-readable artifacts (3)

- **Documentation** — https://pmc.ncbi.nlm.nih.gov/tools/oai/
- **RateLimits** — https://kinlane.github.io/ncbi/rate-limits/pmc-oai-pmh.yml
- **Plans** — https://kinlane.github.io/ncbi/plans/pmc-oai-pmh.yml

## Other National Center for Biotechnology Information (NCBI) APIs (12)

- [NCBI Entrez E-utilities API](https://apis.io/apis/ncbi/ncbi-entrez-e-utilities-api/)
- [NCBI BLAST URL API](https://apis.io/apis/ncbi/ncbi-blast-url-api/)
- [PubChem PUG REST API](https://apis.io/apis/ncbi/pubchem-pug-rest-api/)
- [PMC Open Access API (OA Service)](https://apis.io/apis/ncbi/pmc-open-access-api-oa-service/)
- [PMC ID Converter API](https://apis.io/apis/ncbi/pmc-id-converter-api/)
- [National Center for Biotechnology Information (NCBI) BioSample API](https://apis.io/apis/ncbi/ncbi-biosample-api/)
- [National Center for Biotechnology Information (NCBI) Gene API](https://apis.io/apis/ncbi/ncbi-gene-api/)
- [National Center for Biotechnology Information (NCBI) Genome API](https://apis.io/apis/ncbi/ncbi-genome-api/)
- [National Center for Biotechnology Information (NCBI) Organelle API](https://apis.io/apis/ncbi/ncbi-organelle-api/)
- [National Center for Biotechnology Information (NCBI) Prokaryote API](https://apis.io/apis/ncbi/ncbi-prokaryote-api/)
- [National Center for Biotechnology Information (NCBI) Taxonomy API](https://apis.io/apis/ncbi/ncbi-taxonomy-api/)
- [National Center for Biotechnology Information (NCBI) Version API](https://apis.io/apis/ncbi/ncbi-version-api/)

## Tags

PubMed Central, OAI-PMH, Metadata Harvesting, Literature, Open Access

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