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National Institutes of Health (NIH) Version API

Version info

National Institutes of Health (NIH) Version API is one of 15 APIs that National Institutes of Health (NIH) publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Version. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 1 operation across 1 path, and defines 2 schemas. It is described by OpenAPI 3.0.3, at version 2.0.5.

Requests are made against a single base URL, https://clinicaltrials.gov/api/v2.

1 operations 1 paths 2 schemas 1 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.3
API Version
2.0.5
Base URL
https://eutils.ncbi.nlm.nih.gov/entrez/eutils/
Resource Areas
1

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 GET. Each is listed below with its method, path, parameters, and response codes.

Version 1

Version info

GET
/version
Version
version → 200400

Schemas 2

The contract defines 2 schemas that model the data the API accepts and returns. The most detailed is Version (2 properties). Each schema is shown below with its type and property counts.

errorMessage
string
A text message describing an error
Version
object
2 properties 1 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

nih-version-api-openapi.yml Raw ↑

Other APIs National Institutes of Health (NIH) publishes across the network.

NCBI E-utilities (Entrez Programming Utilities)
PubChem Power User Gateway (PUG REST)
NIH RePORTER API
NCBI BLAST URL API
PubMed Central (PMC) OA API
National Institutes of Health (NIH) BioSample API
National Institutes of Health (NIH) Gene API
National Institutes of Health (NIH) Genome API
National Institutes of Health (NIH) Organelle API
National Institutes of Health (NIH) Prokaryote API
National Institutes of Health (NIH) Stats API
National Institutes of Health (NIH) Studies API