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CROssBAR Data API

by CROssBAR Data Free tier

About CROssBAR & data CROssBAR: Comprehensive Resource of Biomedical Relations with Deep Learning Applications and Knowledge Graph Representations CROssBAR is a comprehensive system that integrates large-scale biomedical data from various resources e.g UniProt, ChEMBL, Drugbank, EFO, HPO, InterPro & PubChem and stores them in a new NoSQL database, enrich these data with deep learning based p

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Quick Reference

Base URL https://www.ebi.ac.uk/Tools/crossbar Auth type none Auth header # No auth required Rate limit See documentation Pricing Enterprise / contact sales Free quota None Documentation https://api.apis.guru/v2/specs/ebi.ac.uk/1.0.json Endpoint status Server online — HTTP 404 — server is online but path returned an error (may require auth)3.39s (checked Mar 29, 2026) Builder score D 42% builder-friendly
Pricing
28
Latency
20
Depth
68

Authentication

No authentication required

# No auth required

Pricing

Model subscription Starting price Enterprise / contact sales Free quota None

Free — open public API, no authentication required.

Key Endpoints

MethodPathDescription
GET /activities Get ChEMBL activities
GET /assays Get ChEMBL assays
GET /drugs drugs collected from Drugbank
GET /efo Get EFO diseases data
GET /hpo Get HPO phenotypes data
GET /intact Molecular Interactions collected from IntAct
GET /molecules Get ChEMBL molecules
GET /proteins Proteins collected from Uniprot for selective tax ids HUMAN(9606), MOUSE(10090), RAT(10116), BOVINE(9913), ESCHERICHIA_COLI(83333), SUS_SCROFA(9823), MYCOBACTERIUM_TUBERCULOSIS(83332), ORYCTOLAGUS_CUNICULUS(9986), SACCHAROMYCES_CEREVISIAE(559292), CVHSA(694009) & SARS2(2697049)

Sample Request

curl 'https://www.ebi.ac.uk/Tools/crossbar/activities' \
  -H '# No auth required'

Sample Response

{}

Data sourced from API Map. Always verify pricing and rate limits against the official CROssBAR Data documentation.