# PubChem PUG SOAP API

**Canonical:** https://apis.io/apis/pubchem/pubchem-pug-soap-api/  
**Provider:** PubChem — https://apis.io/providers/pubchem/  
**Base URL:** https://pubchem.ncbi.nlm.nih.gov/pug/pugsoap.cgi  
**Documentation:** https://pubchem.ncbi.nlm.nih.gov/pug/pugsoap.cgi?wsdl

PubChem PUG SOAP API is one of 7 APIs that [PubChem](https://apis.io/providers/pubchem/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include SOAP, Legacy, Structure Search, and Chemical Standardization. The published artifact set on APIs.io includes API documentation.

Legacy SOAP/XML web service interface for PubChem providing structure search, identity search, and chemical standardization capabilities. Supports submitting queries and retrieving results in ASN.1, XML, and SDF formats.

## Machine-readable artifacts (2)

- **Documentation** — https://pubchem.ncbi.nlm.nih.gov/docs/pug-soap
- **WSDL** — https://pubchem.ncbi.nlm.nih.gov/pug/pugsoap.cgi?wsdl

## Other PubChem APIs (6)

- [PubChem PUG View API](https://apis.io/apis/pubchem/pubchem-pug-view-api/)
- [PubChem Structure Image Service](https://apis.io/apis/pubchem/pubchem-structure-image-service/)
- [PubChem Identifier Exchange Service](https://apis.io/apis/pubchem/pubchem-identifier-exchange-service/)
- [PubChem Compounds API](https://apis.io/apis/pubchem/pubchem-compounds-api/)
- [PubChem Structure Search API](https://apis.io/apis/pubchem/pubchem-structure-search-api/)
- [PubChem Utilities API](https://apis.io/apis/pubchem/pubchem-utilities-api/)

## Tags

SOAP, Legacy, Structure Search, Chemical Standardization

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