# NIST Chemistry WebBook API

**Canonical:** https://apis.io/apis/nist/nist-chemistry-webbook-api/  
**Provider:** National Institute of Standards and Technology (NIST) — https://apis.io/providers/nist/  
**Base URL:** https://webbook.nist.gov/cgi  
**Documentation:** https://webbook.nist.gov/chemistry/

NIST Chemistry WebBook API is one of 5 APIs that [National Institute of Standards and Technology (NIST)](https://apis.io/providers/nist/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Chemistry, Physical Properties, and Scientific Data. The published artifact set on APIs.io includes API documentation.

Access to chemical and physical property data for thousands of chemical species.

## Machine-readable artifacts (2)

- **Documentation** — https://webbook.nist.gov/chemistry/form-ser/
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/nist/refs/heads/main/apis.yml

## Other National Institute of Standards and Technology (NIST) APIs (4)

- [NIST Data Gateway](https://apis.io/apis/nist/nist-data-gateway/)
- [NIST Time API](https://apis.io/apis/nist/nist-time-api/)
- [National Institute of Standards and Technology (NIST) Cvehistory API](https://apis.io/apis/nist/nist-cvehistory-api/)
- [National Institute of Standards and Technology (NIST) Cves API](https://apis.io/apis/nist/nist-cves-api/)

## Tags

Chemistry, Physical Properties, Scientific Data

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/nist/nist-chemistry-webbook-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/nist/.