NCI Glossary Term API
Serves the NCI Dictionary of Cancer Terms — the authoritative plain-language and health-professional definitions used across cancer.gov and by the NCI Dictionary Widget. Supports autosuggest, full-text search, alphabetical expansion and per-term retrieval by id or pretty URL name, in English and Spanish, for both Patient and HealthProfessional audiences. No credential required.
NCI Glossary Term API is one of 15 APIs that Cancer.gov publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Glossary, Terminology, Content, and Dictionary. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.
This API exposes 8 operations across 8 paths, organized into 3 resource areas, and defines 14 schemas. It is described by OpenAPI 3.0.0, at version 1.0.0.
Requests are made against a single base URL, https://webapis.cancer.gov/glossary/v1.
Metadata
The identity and technical contract details declared by the specification.
Paths & Operations 8
Across 8 paths, the API surfaces 8 operations — 8 GET. They span 3 resource areas: Autosuggest, HealthCheck, Terms. Each is listed below with its method, path, parameters, and response codes.
Schemas 14
The contract defines 14 schemas that model the data the API accepts and returns. The most detailed are GlossaryTerm (12 properties), TermOtherLanguage (3 properties), GlossaryTermResults (3 properties), ResultsMetadata (2 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from Cancer.gov 12
Other APIs Cancer.gov publishes across the network.
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