GET /similarity/{smiles}/{similarity}

ac.uk:chembl-api

Summary: Similarity search
Operation ID: similaritySearch
Auth: unknown
Description

Search for molecules similar to a given SMILES string.

Parameters (2)

similarity (integer, path, required)

Similarity threshold (0-100)

Constraints: {'minimum': 0, 'maximum': 100}

smiles (string, path, required)

SMILES string to search for

Examples (1)

TitleTypeURLAction
Similarity search by SMILES with 70% threshold doc_extracted https://www.ebi.ac.uk/chembl/api/data/similarity/CC(=O)CC(C1=C(O)c2ccccc2OC1=O)c3ccccc3/70

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 10:27:25.633883 200 523ms