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LINCS L1000 (Clue.io) API Reference

Overview

The LINCS L1000 dataset is accessible via the Connectivity Map (CMap) API at clue.io.

Base URL

https://api.clue.io/api

Authentication

Key Endpoints

Endpoint Description
GET /perts Query perturbagens (compounds, gene knockdowns, overexpression)
GET /genes Query genes (L1000 landmark + inferred)
GET /cells Query cell lines used in L1000
GET /sigs Query connectivity signatures
GET /profiles Access expression profiles (level 5 z-scores)
GET /pcls Perturbagen classes

Query Parameters

All endpoints support a filter parameter using Loopback-style JSON: - where — filter conditions - fields — select specific fields - limit / skip — pagination

Example Calls

# Search for a compound perturbagen by name
curl -H "user_key: YOUR_API_KEY" \
  "https://api.clue.io/api/perts?filter={\"where\":{\"pert_iname\":\"vorinostat\"}}"

# Get landmark genes
curl -H "user_key: YOUR_API_KEY" \
  "https://api.clue.io/api/genes?filter={\"where\":{\"is_lm\":true},\"limit\":10}"

# Query cell lines
curl -H "user_key: YOUR_API_KEY" \
  "https://api.clue.io/api/cells?filter={\"where\":{\"cell_iname\":\"MCF7\"}}"

# Get connectivity signatures for a compound
curl -H "user_key: YOUR_API_KEY" \
  "https://api.clue.io/api/sigs?filter={\"where\":{\"pert_iname\":\"vorinostat\"},\"limit\":5}"

Response Format

JSON. Example (perturbagen):

[
  {
    "pert_id": "BRD-K81418486",
    "pert_iname": "vorinostat",
    "pert_type": "trt_cp",
    "moa": ["HDAC inhibitor"],
    "target": ["HDAC1","HDAC2","HDAC3","HDAC6"]
  }
]

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