# Substance Data API

**Canonical:** https://apis.io/apis/open-fda/other-substance-data/  
**Provider:** openFDA — https://apis.io/providers/open-fda/  
**Base URL:** https://api.fda.gov  
**Documentation:** https://open.fda.gov/apis/other/substance/

Substance Data API is one of 17 APIs that [openFDA](https://apis.io/providers/open-fda/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Substances, UNII, and Molecular Data. The published artifact set on APIs.io includes API documentation.

Access molecular-level substance information designed for internal and external applications, including the Unique Ingredient Identifier (UNII) listing.

## Machine-readable artifacts (1)

- **Documentation** — https://open.fda.gov/apis/other/substance/

## Other openFDA APIs (12)

- [Drug Adverse Events API](https://apis.io/apis/open-fda/drug-adverse-events/)
- [Drug Labeling API](https://apis.io/apis/open-fda/drug-labeling/)
- [Drug Recall Enforcement Reports API](https://apis.io/apis/open-fda/drug-recall-enforcement/)
- [Medical Device 510(k) Clearances API](https://apis.io/apis/open-fda/device-510k/)
- [Medical Device Adverse Event Reports API](https://apis.io/apis/open-fda/device-adverse-events/)
- [Medical Device Classification API](https://apis.io/apis/open-fda/device-classification/)
- [Medical Device Recall Enforcement Reports API](https://apis.io/apis/open-fda/device-recall-enforcement/)
- [Medical Device Premarket Approval (PMA) API](https://apis.io/apis/open-fda/device-pma/)
- [Medical Device Recalls API](https://apis.io/apis/open-fda/device-recalls/)
- [Medical Device Registrations and Listings API](https://apis.io/apis/open-fda/device-registrations-listings/)
- [Unique Device Identifier (UDI) API](https://apis.io/apis/open-fda/device-udi/)
- [Food Recall Enforcement Reports API](https://apis.io/apis/open-fda/food-recall-enforcement/)

## Tags

Substances, UNII, Molecular Data

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/open-fda/other-substance-data/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/open-fda/.