EPA — U.S. Environmental Protection Agency · Authentication Profile

Epa Authentication

Authentication

EPA — U.S. Environmental Protection Agency secures its APIs with apiKey and http across 5 declared security schemes, as derived from its OpenAPI definitions.

GovernmentEnvironmentalOpen DataAir QualityWater QualityHazardous WasteComplianceEmissions

Methods: apiKey, http Schemes: 5 OAuth flows: API key in: header, query

Security Schemes

emailKey apiKey

· in: query (key)

APIKey apiKey

· in: header (x-api-key)

Token http

scheme: bearer

ClientId apiKey

· in: header (x-client-id)

basicAuth http

scheme: basic

Source

Authentication Profile

generated: '2026-07-11'
method: derived
source: openapi/aqs-openapi.yml, openapi/cam-account-openapi.json, openapi/cam-camd-services-openapi.json,
  openapi/cam-emissions-openapi.json, openapi/cam-facilities-openapi.json, openapi/cam-master-data-openapi.json,
  openapi/cam-monitor-plan-openapi.json, openapi/cam-qa-cert-openapi.json, openapi/cam-streaming-openapi.json,
  openapi/elg-search-openapi.json, openapi/mywaterway-openapi.json
summary:
  types:
  - apiKey
  - http
  api_key_in:
  - header
  - query
schemes:
- name: emailKey
  type: apiKey
  in: query
  parameter: key
  description: |-
    AQS requires `email` and `key` query parameters on every request. Register at
    `/signup?email=YOUR_EMAIL` to receive a key by email.
  sources:
  - openapi/aqs-openapi.yml
- name: APIKey
  type: apiKey
  in: header
  parameter: x-api-key
  description: API Key required via "x-api-key" request header!
  sources:
  - openapi/cam-account-openapi.json
  - openapi/cam-camd-services-openapi.json
  - openapi/cam-emissions-openapi.json
  - openapi/cam-facilities-openapi.json
  - openapi/cam-master-data-openapi.json
  - openapi/cam-monitor-plan-openapi.json
  - openapi/cam-qa-cert-openapi.json
  - openapi/cam-streaming-openapi.json
- name: Token
  type: http
  scheme: bearer
  bearerFormat: JWT
  description: Authorization "bearer" token required for data modification operations
  sources:
  - openapi/cam-camd-services-openapi.json
  - openapi/cam-emissions-openapi.json
  - openapi/cam-facilities-openapi.json
  - openapi/cam-monitor-plan-openapi.json
  - openapi/cam-qa-cert-openapi.json
- name: ClientId
  type: apiKey
  in: header
  parameter: x-client-id
  description: ClientId required via "x-client-id" request header
  sources:
  - openapi/cam-camd-services-openapi.json
  - openapi/cam-facilities-openapi.json
- name: basicAuth
  type: http
  scheme: basic
  sources:
  - openapi/elg-search-openapi.json
  - openapi/mywaterway-openapi.json

Work with this as data

Every security artifact here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for security posture

4 MCP tools reach this

find_securityBrowse and filter every security artifact in the catalog.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This security artifact

curl "https://apis.io/api/v1/security/epa-authentication"

All security posture

curl "https://apis.io/api/v1/security?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.