Regulations.gov

Regulations.gov comment submission utilities API

Utilities to support submitting public comments

Documentation GitHub OpenAPI

Operations 1

GET /agency-categories Returns a list of categories

Work with this as data

Every API 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 apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
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 API

curl "https://apis.io/api/v1/apis/regulations-gov-comment-submission-utilities-api"

All apis

curl "https://apis.io/api/v1/apis?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.

OpenAPI Specification

openapi: 3.2.0
info:
  title: Regulations.gov comment submission utilities API
  description: Public API for Regulations.gov — the US federal government's central portal for public participation in the rulemaking process. Provides programmatic access to regulatory dockets, proposed rules, final rules, supporting documents, and public comments submitted to federal agencies.
  version: '4.0'
  contact:
    name: Regulations.gov Support
    url: https://www.regulations.gov/support
    email: eRulemaking@gsa.gov
  x-api-id: regulations-gov:regulations-gov-api
servers:
- url: https://api.regulations.gov/v4
  description: Production endpoint for Regulations.gov API
security:
- ApiKeyAuth: []
tags:
- name: comment submission utilities
  description: Utilities to support submitting public comments
paths:
  /agency-categories:
    get:
      summary: Returns a list of categories
      description: This endpoint returns list of categories
      tags:
      - comment submission utilities
      parameters:
      - name: filter[acronym]
        in: query
        description: '''Filters results for the agency acronym specified in the value. Example: ''''EPA'''''''
        required: true
        schema:
          type: string
      responses:
        '200':
          description: List of agency categories
          content:
            application/vnd.api+json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      type: object
                      properties:
                        default:
                          type: boolean
                          description: Defines if its the default category value
                        acronym:
                          type: string
                          description: Agency acronym
                        categories:
                          type: string
                          description: The name of the category
        '400':
          description: Validation error
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/JSONError'
        '403':
          description: API key is missing or invalid
          content:
            application/vnd.api+json:
              schema:
                $ref: '#/components/schemas/JSONError'
components:
  schemas:
    Error:
      type: object
      properties:
        status:
          type: integer
        title:
          type: string
        detail:
          type: string
    JSONError:
      description: A JSON:API error document
      type: object
      properties:
        errors:
          description: List of JSON:API Error
          type: array
          items:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-Api-Key