FERC

FERC Reference API

Form lists and submission constraints.

Documentation GitHub OpenAPI

Operations 3

GET /SubmissionHistory/forms List the eForms form names and identifiers #

GET /getTestStatus Get submission constraints and test-mode status #

GET /faq List eForms portal FAQ entries #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: FERC eForms (eCollection) Reference API
  version: '2026-07-27'
  description: Machine-readable description of the FERC eForms XBRL API hosted at https://ecollection.ferc.gov/api.
  contact:
    name: FERC Online Support
    url: https://www.ferc.gov/ferc-online/overview
  license:
    name: U.S. Government Work (public domain, 17 U.S.C. 105)
    url: https://data.ferc.gov/disclaimer/
  x-provenance:
    generated: '2026-07-27'
    method: derived
    sources:
    - https://ecollection.ferc.gov/main.6c69ecbce3fd46f494eb.js
    - collections/ferc-xbrl-submission-api.postman_collection.json
    - https://www.ferc.gov/sites/default/files/2020-12/FERC_SubmissionAPI_PROD-Step-by-step-guide_v3.1.pdf
    - live HTTP probes 2026-07-27
    note: Not published by FERC. Derived by API Evangelist from FERC's own production client bundle plus live anonymous probes. Report inaccuracies rather than treating this as an authoritative contract.
servers:
- url: https://ecollection.ferc.gov/api
  description: Production
tags:
- name: Reference
  description: Form lists and submission constraints.
paths:
  /SubmissionHistory/forms:
    get:
      tags:
      - Reference
      operationId: listForms
      summary: List the eForms form names and identifiers
      description: Returns the form names, their numeric identifiers, and which identifiers are annual forms.
      security: []
      responses:
        '200':
          description: Form reference lists.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FormList'
      x-evidence:
        probed: '2026-07-27'
        status: 200
        authentication: none
  /getTestStatus:
    get:
      tags:
      - Reference
      operationId: getTestStatus
      summary: Get submission constraints and test-mode status
      description: Returns whether the environment is in test status plus the submission constraints the filing client enforces — maximum XBRL name length, maximum file name length, maximum file size in bytes, and the allowed additional-file tags.
      security: []
      responses:
        '200':
          description: Submission constraints.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TestStatus'
      x-evidence:
        probed: '2026-07-27'
        status: 200
        authentication: none
  /faq:
    get:
      tags:
      - Reference
      operationId: listFaq
      summary: List eForms portal FAQ entries
      security: []
      responses:
        '200':
          description: FAQ entries. Observed as an empty array on 2026-07-27.
          content:
            application/json:
              schema:
                type: array
                items:
                  type: object
      x-evidence:
        probed: '2026-07-27'
        status: 200
        body: '[]'
        authentication: none
components:
  schemas:
    TestStatus:
      type: object
      properties:
        status:
          type: boolean
        maxAllowedXbrlName:
          type: integer
        maxAllowedFileName:
          type: integer
        maxAllowedFileSize:
          type: integer
          description: Bytes.
        allowedFileTags:
          type: string
        showReleaseNotesButton:
          type: boolean
    FormList:
      type: object
      properties:
        formList:
          type: array
          items:
            type: string
        formIDList:
          type: array
          items:
            type: integer
        annualForms:
          type: array
          items:
            type: integer
  securitySchemes:
    filerBearer:
      type: http
      scheme: bearer
      description: Bearer token issued by POST /token via the OAuth 2.0 password grant with role=filer.