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Appalachian Regional Commission

ARC API Discovery

The self-describing route index for the arc.gov WordPress REST API — 371 routes across 16 namespaces, each with its HTTP methods and full argument schemas, returned as a single 596 KB JSON document. It is the closest thing the Appalachian Regional Commission publishes to a machine-readable contract, and every derived OpenAPI in this record was built from it.

Documentation Provider Profile APIs.io OpenAPI GitHub

ARC API Discovery is one of 7 APIs that Appalachian Regional Commission publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Discovery, Metadata, and Open Data. The published artifact set on APIs.io includes an OpenAPI specification and an API reference.

This API exposes 3 operations across 3 paths, and defines 1 schema. It is described by OpenAPI 3.1.0, at version wp/v2.

Requests are made against a single base URL, https://www.arc.gov/wp-json.

3 operations 3 paths 1 schemas 3 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
wp/v2
Base URL
https://www.arc.gov/wp-json
Contact
Appalachian Regional Commission
License
U.S. Government Work
Resource Areas
1

Paths & Operations 3

Across 3 paths, the API surfaces 3 operations — 3 GET. Each is listed below with its method, path, parameters, and response codes.

Discovery 3
GET
/
GET /
getRestIndex 1 param → 200400401403404
GET
/wp/v2
GET /wp/v2
getRoot 2 params → 200400401403404
GET
/oembed/1.0/embed
GET /oembed/1.0/embed
getOembed10Embed 3 params → 200400401403404

Schemas 1

The contract defines 1 schema that model the data the API accepts and returns. The most detailed is RestError (3 properties). Each schema is shown below with its type and property counts.

RestError
object
WordPress REST API error envelope. Observed live on 2026-09-07 (for example restcommentdisabled, restforbidden, restusercannotview).
3 properties 2 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

appalachian-regional-commission-discovery-api-openapi.yml Raw ↑

Other APIs Appalachian Regional Commission publishes across the network.

ARC Research and Data API
AE Profile APIs.io
ARC Geospatial API
AE Profile APIs.io
ARC Programs API
AE Profile APIs.io
ARC Content API
AE Profile APIs.io
ARC Taxonomy API
AE Profile APIs.io
ARC Data Report Tool
AE Profile APIs.io
#Discovery#Metadata#Open Data
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API Details
ID
appalachian-regional-commission:arc-api-discovery
Base URL
https://www.arc.gov/wp-json
Docs
https://www.arc.gov/
Provider
Appalachian Regional Commission
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This is an independent, third-party profile of ARC API Discovery, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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