正文
获取原文件references/encode.md
Base URL
https://www.encodeproject.org
Auth
No auth required. Append ?format=json or set Accept: application/json.
Portal data objects and search support JSON; file download URLs return file content.
Key Endpoints
| Endpoint | Description |
|---|---|
/search/?type=Experiment&format=json |
Search experiments |
/experiments/{accession}/?format=json |
Specific experiment |
/files/{accession}/?format=json |
File metadata |
/biosamples/{accession}/?format=json |
Biosample info |
/annotations/?format=json |
Search annotations |
Search Parameters
type— Experiment, File, Biosample, Annotation, etc.assay_title— ChIP-seq, RNA-seq, ATAC-seq, etc.target.label— target protein (e.g. CTCF, H3K27ac)biosample_ontology.term_name— cell typelimit— results per pagefield— specific fields to return
Example Calls
# ChIP-seq experiments for CTCF
https://www.encodeproject.org/search/?type=Experiment&assay_title=ChIP-seq&target.label=CTCF&format=json&limit=5
# Specific experiment
https://www.encodeproject.org/experiments/ENCSR000AAA/?format=json
# Files for an experiment
https://www.encodeproject.org/search/?type=File&dataset=/experiments/ENCSR000AAA/&format=json
Response Format
JSON-LD. Search: @graph array + total + facets. Use frame=object or frame=embedded to control depth.
Rate Limits
No published limits. Use limit= and field= to reduce payload.
Search pagination uses limit and from; verify @graph length against total. Preserve file assembly, output_type, status and audit flags before selecting a download. Public reads need no key, while restricted/unreleased objects require authorized access.