# National Institutes of Health (NIH) Prokaryote API

**Canonical:** https://apis.io/apis/nih/nih-prokaryote-api/  
**Provider:** National Institutes of Health (NIH) — https://apis.io/providers/nih/  
**Base URL:** https://eutils.ncbi.nlm.nih.gov/entrez/eutils/  
**Documentation:** https://www.ncbi.nlm.nih.gov/home/develop/api/

National Institutes of Health (NIH) Prokaryote API is one of 15 APIs that [National Institutes of Health (NIH)](https://apis.io/providers/nih/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Prokaryote. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

#### Options to download prokaryote gene data, including the associated sequence and metadata. These gene services allow you to download gene and protein sequence, and metadata as a prokaryote gene data package, for prokaryotic [RefSeq non-redundant proteins](https://www.ncbi.nlm.nih.gov/refseq/about/nonredundantproteins/).

## Machine-readable artifacts (3)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/nih/refs/heads/main/openapi/nih-prokaryote-api-openapi.yml
- **Documentation** — https://www.ncbi.nlm.nih.gov/datasets/docs/v2/api/rest-api/
- **Documentation** — https://clinicaltrials.gov/data-api/api

## Other National Institutes of Health (NIH) APIs (12)

- [NCBI E-utilities (Entrez Programming Utilities)](https://apis.io/apis/nih/ncbi-e-utilities-entrez-programming-utilities/)
- [PubChem Power User Gateway (PUG REST)](https://apis.io/apis/nih/pubchem-power-user-gateway-pug-rest/)
- [NIH RePORTER API](https://apis.io/apis/nih/nih-reporter-api/)
- [NCBI BLAST URL API](https://apis.io/apis/nih/ncbi-blast-url-api/)
- [PubMed Central (PMC) OA API](https://apis.io/apis/nih/pubmed-central-pmc-oa-api/)
- [National Institutes of Health (NIH) BioSample API](https://apis.io/apis/nih/nih-biosample-api/)
- [National Institutes of Health (NIH) Gene API](https://apis.io/apis/nih/nih-gene-api/)
- [National Institutes of Health (NIH) Genome API](https://apis.io/apis/nih/nih-genome-api/)
- [National Institutes of Health (NIH) Organelle API](https://apis.io/apis/nih/nih-organelle-api/)
- [National Institutes of Health (NIH) Stats API](https://apis.io/apis/nih/nih-stats-api/)
- [National Institutes of Health (NIH) Studies API](https://apis.io/apis/nih/nih-studies-api/)
- [National Institutes of Health (NIH) Taxonomy API](https://apis.io/apis/nih/nih-taxonomy-api/)

## Tags

Prokaryote

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