EIA
The U.S. Energy Information Administration (EIA) is the independent statistical and analytical agency within the U.S. Department of Energy, created by the Department of Energy Organization Act of 1977, that collects, analyzes, and disseminates energy information for the United States. EIA sits at the measurement layer of the American energy value chain rather than the operating layer - it does not generate, transmit, distribute, or retail energy, and it does not regulate anyone. Instead it compels the industry to report through mandatory survey forms (EIA-860, EIA-861, EIA-923, EIA-176, EIA-914, EIA-930 and dozens more) and then publishes the result as the reference statistics for electricity, natural gas, petroleum, coal, nuclear, renewables, emissions, and international energy. EIA's API posture is the strongest of any organization in this sector and a genuine benchmark for government data anywhere. The Open Data APIv2 at api.eia.gov/v2 is a fully RESTful, self-documenting, hierarchically routed API covering more than two million time series, described by a real downloadable OpenAPI 3.0.0 contract carrying 225 paths and 278 operations, opened by a free API key that is emailed automatically from a public registration form with no review, no accreditation, and no licence to sign. A companion bulk download facility at api.eia.gov/bulk serves the same data as manifest-indexed zip archives and requires no key at all. The split that defines this sector is absolute here. EIA's market, system, and grid data is wide open - hourly balancing-authority demand and interchange, wholesale and spot prices, generator-level capacity and operations - while EIA publishes no consumer energy data API of any kind. There is no Green Button, no ESPI, no Download My Data, no Connect My Data, no consent flow, and no customer usage or billing endpoint, because individual customer data is never collected by EIA in the first place; its surveys arrive already aggregated from utilities and are further protected by statutory confidentiality. EIA is therefore the clearest instance of the recurring finding in this series - a federal data agency that publishes a far better documented, far more accessible API than the regulated utilities whose numbers it reports.
EIA is tracked in the API Evangelist network. This page is the human-readable profile that sits on top of the machine-readable index we maintain at apis.io.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
EIA is in the network as a tracked entity. We haven't yet indexed a public API surface for it — when one is published, the artifacts, score, and agent-readiness read will appear here automatically. The source repository is where that profile is built.
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