---
title: "Substance composition"
method: GET
path: "/enm/{db}/substance/{uuid}/composition"
tags: ["Structures", "Substances"]
---

# Substance composition

`GET /enm/{db}/substance/{uuid}/composition`

Returns substance composition

## Path parameters

- `db` 'calibrate' | 'enanomapper' | 'enpra' | 'gracious' | 'marina' | 'nanogenotox' | 'nanoinformatix' | 'nanoreg1' | 'nanoreg2' | 'nanotest' | 'sanowork' | 'sbd4nano' | 'sabydoma', required
- `uuid` string, required

## Query parameters

- `all` boolean
- `page` integer
- `pagesize` integer

## Response `200`

OK. compositions found

- SubstanceComposition
  - `composition` object
  - `feature` object

## Other responses

- `404` — compositions not found

---

[API](https://skmtc.net/ideaconsult/apis/enanomapper-federated-search.md) · [All operations](https://skmtc.net/ideaconsult/apis/enanomapper-federated-search/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/ideaconsult/enanomapper-federated-search/revisions/aeb50a6c8e4e/schema)