# PubChem Structure Image Service

**Canonical:** https://apis.io/apis/pubchem/pubchem-structure-image-service/  
**Provider:** PubChem — https://apis.io/providers/pubchem/  
**Base URL:** https://pubchem.ncbi.nlm.nih.gov/rest/pug  
**Documentation:** https://pubchem.ncbi.nlm.nih.gov/docs/pug-rest#section=PNG

PubChem Structure Image Service is one of 7 APIs that [PubChem](https://apis.io/providers/pubchem/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Structure Images, 2D Structures, and Visualization. The published artifact set on APIs.io includes API documentation.

Generates 2D and 3D structure images for chemical compounds by CID, SID, SMILES, or InChI. Returns PNG images at configurable sizes, suitable for embedding in applications and documents.

## Machine-readable artifacts (1)

- **Documentation** — https://pubchem.ncbi.nlm.nih.gov/docs/pug-rest#section=PNG

## Other PubChem APIs (6)

- [PubChem PUG View API](https://apis.io/apis/pubchem/pubchem-pug-view-api/)
- [PubChem PUG SOAP API](https://apis.io/apis/pubchem/pubchem-pug-soap-api/)
- [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

Structure Images, 2D Structures, Visualization

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