U.S. Geological Survey National Aquifer Codes API
National aquifers are the principal aquifers or aquifer systems in the United States, defined as regionally extensive aquifers or aquifer systems that have the potential to be used as a source of potable water.
U.S. Geological Survey National Aquifer Codes API is one of 47 APIs that U.S. Geological Survey publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
This API exposes 3 JSON Schema definitions.
Tagged areas include national-aquifer-codes. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, a getting-started guide, a JSON-LD context, authentication docs, and 3 JSON Schemas.
This API exposes 8 operations across 5 paths, and defines 5 schemas. It is described by OpenAPI 3.2.0, at version 0.71.7.
Requests are made against a single base URL, https://api.waterdata.usgs.gov/ogcapi/v0.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 2
U.S. Geological Survey National Aquifer Codes API declares
2 security schemes
for authenticating requests.
An API key is passed in the header as api_key (ApiKeyHeader).
An API key is passed in the query as api_key (ApiKeyQuery).
ApiKeyHeader— Providing your API key gives you higher rate limits when querying our APIs. You can obtain an API key at https://api.waterdata.usgs.gov/signupApiKeyQuery— Providing your API key gives you higher rate limits when querying our APIs. You can obtain an API key at https://api.waterdata.usgs.gov/signup
Paths & Operations 8
Across 5 paths, the API surfaces 8 operations — 5 GET, 2 OPTIONS, 1 POST. Each is listed below with its method, path, parameters, and response codes.
National aquifers are the principal aquifers or aquifer systems in the United States, defined as regionally extensive aquifers or aquifer systems that have the potential to be use…
Schemas 5
The contract defines 5 schemas that model the data the API accepts and returns. The most detailed are queryable (6 properties), NationalAquiferCodesFeatureCollection (5 properties), NationalAquiferCodesFeature (4 properties), queryables (1 property). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
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Other APIs U.S. Geological Survey publishes across the network.
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