GET /genome/accession/{accessions}/download
Summary: Get a genome data package by genome assembly accession
Operation ID: download_assembly_package
Auth: unknown
Operation ID: download_assembly_package
Auth: unknown
Description
Download a genome data package including sequence, annotation, and a detailed data report by genome assembly accession.
Parameters (5)
accessions
(array, path, required)
One or more genome assembly accessions, limited to 100
chromosomes
(array, query, optional)
Only return genomic fasta sequence for the specified chromosomes.
filename
(string, query, optional, default: ncbi_dataset.zip)
Output file name.
hydrated
(?, query, optional)
Specify whether to download a hydrated (with sequence and annotation files included) or dehydrated data package. A dehydrated data package includes the assembly data report and `fetch.txt`, which includes paths to the requested data files on NCBI servers.
include_annotation_type
(array, query, optional)
Specify which sequence, annotation, and report files to include in the data package. The assembly data report is always included, and its inclusion is not affected by this parameter.
Examples (1)
| Title | Type | URL | Action |
|---|---|---|---|
| Get a genome data package by genome assembly accession | openapi-spec |
https://api.ncbi.nlm.nih.gov/datasets/v2/genome/accession/GCF_000001405.40/download?chromosomes=['1', 'MT']&include_annotation_type=GENOME_FASTA&hydrated=DATA_REPORT_ONLY |
Probe History
Status Codes
| Time | Status | Latency | Size |
|---|---|---|---|
| 2026-03-23 10:18:26.355163 | 200 | 411ms |