Datasets
The NCBI Datasets v2 REST API is free to use. It follows the same authentication and rate-limit model as E-utilities when an NCBI API key is provided; anonymous use is also permitted.
Datasets is the machine-readable pricing-plan profile for National Center for Biotechnology Information (NCBI) on the APIs.io network, conforming to the API Commons Plans specification.
It defines 1 plan, with named plans including Public (Free).
Tagged areas include Bioinformatics, Genomics, Life Sciences, PubMed, and Sequences.
Plans
Free, open access to gene, genome, taxonomy, virus, and ortholog datasets. Data packages are delivered as zip archives containing FASTA, GFF3, and JSON summary files. The OpenAPI 3.0 specification is publicly available for client code generation.