Chemistry
Providers using this tag (22)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Strong 1 Solid coverage with minor gaps
Developing 2 Usable, with meaningful gaps to close
Thin 5 Limited public surface area
Emerging 6 Early or largely undocumented
Minimal 8 Almost no public developer surface
APIs with this tag (9)
Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →
Strong 1 Solid coverage with minor gaps
Developing 3 Usable, with meaningful gaps to close
Water Quality Portal (WQP) APIA cooperative service sponsored by USGS and EPA providing access to water quality data from over 400 agenci...PubChem PUG REST APIThe PubChem Power User Gateway (PUG) REST API provides programmatic access to PubChem's chemical compound, ...PubChem Power User Gateway (PUG REST)Suite of REST APIs providing programmatic access to PubChem chemical compound data, including chemical stru...
Thin 3 Limited public surface area
Sigma-Aldrich Chemical Structure Search APIThe Sigma-Aldrich Chemical Structure Search API enables substructure, exact structure, and similarity searc...Dotmatics Registration APIREST API for compound, sample, and entity registration management in Dotmatics, supporting single and batch...NIST Chemistry WebBook APIAccess to chemical and physical property data for thousands of chemical species.
Emerging 1 Early or largely undocumented
Minimal 1 Almost no public developer surface
Companies reaching this through an API (5)
These companies publish an API, specification or operation carrying “Chemistry” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.
Dotmatics
Google Quantum AI
National Institute of Standards and Technology (NIST)
National Institutes of Health (NIH)
USGS Water Services
Score breakdown
Frequency
40.7
log-scaled weighted occurrences
Breadth
0.6
spread across providers
Quality lift
24.2
mean composite of providers using it
Cohesion
1.1
strength of nearest seed neighbor
Related tags
Materials Science 7 co-occurrences
Drug Discovery 10 co-occurrences
Research 6 co-occurrences
Machine-Learning 11 co-occurrences
Life Sciences 9 co-occurrences
Pharmaceuticals 5 co-occurrences
Artificial Intelligence 10 co-occurrences
Company 14 co-occurrences
Where this tag comes from
Provider tag22
Api tag9
Work with this as data
Every tag here is available over the APIs.io API and to AI agents over MCP.