How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

FERC Open Data API

FERC's public open data API, serving the same data assets and datasets published in the data.ferc.gov Data Catalog. A Data-Assets endpoint returns the catalog and the dataset IDs; Details, Data, and Dictionary endpoints return per-dataset metadata, full row data, and column definitions. Free self-serve API key, 1,000 requests per hour, X-Api-Key header or api_key query parameter. Runs on the api.data.gov API Umbrella stack (x-api-umbrella-request-id) hosted on cloud.gov. Verified live 2026-07-27 — an unauthenticated GET returns HTTP 403 with API_KEY_MISSING and a bogus key returns HTTP 403 with API_KEY_INVALID.

FERC Open Data API is one of 2 APIs that FERC publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Open Data, Energy Markets, Electricity, Natural Gas, and Regulatory Data. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, a getting-started guide, authentication docs, and rate-limit docs.

This API exposes 4 operations across 4 paths, organized into 4 resource areas. It is described by OpenAPI 3.0.0.

Requests are made against the base URL https://api.data.ferc.gov/v1.

4 operations 4 paths 0 schemas 4 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.0
Base URL
https://api.data.ferc.gov/v1
Authentication
API Key
Resource Areas
4

Authentication & Security 1

FERC Open Data API declares 1 security scheme for authenticating requests. An API key is passed in the query as api_key (ApiKeyQueryAuth). By default, every request must be authenticated.

Paths & Operations 4

Across 4 paths, the API surfaces 4 operations — 4 GET. They span 4 resource areas: Data-Assets, Details, Data, Dictionary. Each is listed below with its method, path, parameters, and response codes.

Data-Assets 1
GET
/data-assets/
Fetch metadata information on the data asset and its associated Datasets.
data-asset-id → 200401405429500
Details 1
GET
/dataset/{id}/details/
Fetch metadata, data asset, row count, and column information.
detail-id 1 param → 200401404405429500
Data 1
GET
/dataset/{id}/data/
Fetch the actual dataset rows
data-id 1 param → 200400401404405429500
Dictionary 1
GET
/dataset/{id}/dictionary/
Fetch column descriptions and definitions from available data.
dictionary-id 1 param → 200401404405429500

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

ferc-data-api-openapi.json Raw ↑

Other APIs FERC publishes across the network.

FERC eForms XBRL Submission API
Where this information came from

This is an independent, third-party profile of FERC Open Data API, 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.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

info@apievangelist.com · Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.