Optum

Optum Federal Register Addendum B API

The Federal Register Addendum B API API from Optum — 1 operation(s) for federal register addendum b api.

GitHub OpenAPI

Operations 1

GET /api/optum/facility/federal-register-addendum-b Fetches all federal register addendum B table data #

Documentation

📖
APIReference
https://developer.optum.com/eligibilityandclaims/reference/api-overview
📖
GettingStarted
https://developer.optum.com/eligibilityandclaims/docs/get-started-with-optum-api
📖
Authentication
https://developer.optum.com/eligibilityandclaims/docs/optum-security-and-authorization
📖
APIReference
https://developer.optum.com/optumreal-dental/reference/overview-real-dental
📖
GettingStarted
https://developer.optum.com/optumreal-dental/reference/get-started
📖
APIReference
https://developer.optum.com/pharmacysolutions/reference
📖
APIReference
https://developer.optum.com/paymentandreimbursement/reference
📖
APIReference
https://developer.optum.com/platformandinteroperability/reference
📖
APIReference
https://developer.optum.com/analyticsandinsights/reference
📖
APIReference
https://developer.optum.com/apitools/reference/security-and-authorization-v2-overview
📖
Documentation
https://developer.optum.com/apitools/docs/getting-started

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/optum/refs/heads/main/openapi/optum-federal-register-addendum-b-api-api-openapi.yml

Other Resources

🔗
ChangeLog
https://developer.optum.com/eligibilityandclaims/docs/eligibility-release-notes

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/optum-federal-register-addendum-b-api-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 email required.

GitHub Google LinkedIn

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

OpenAPI Specification

optum-federal-register-addendum-b-api-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Optum Common Facility Federal Register Addendum B API
  description: MicroService that contains Optum module-related information
  contact:
    name: Ken Kracker
    email: ken.kracker@optum.com
  version: v1.0
servers:
- url: /v1/optumcommonms
tags:
- name: Federal Register Addendum B API
paths:
  /api/optum/facility/federal-register-addendum-b:
    get:
      tags:
      - Federal Register Addendum B API
      summary: Fetches all federal register addendum B table data
      operationId: getFederalRegAddBList
      parameters:
      - name: page
        in: query
        required: false
        schema:
          type: integer
          format: int32
          default: 1
      - name: limit
        in: query
        required: false
        schema:
          type: integer
          format: int32
          default: 50
      - name: sort
        in: query
        description: Any of these values (code,-code,opsiCode,-opsiCode,description,-description,apc,-apc) are allowed.
        required: false
        schema:
          type: array
          items:
            type: string
          default:
          - code
      - name: filter
        in: query
        required: false
        schema:
          type: string
      - name: yyyy-MM-dd
        in: header
        description: Date for which historical data is required
        required: false
        schema:
          type: string
          format: yyyy-MM-dd
      responses:
        '200':
          description: Fetches all federal register addendum B table data
          content:
            application/json:
              example:
                content:
                - code: 0001F
                  opsiCode: E1
                  description: HEART FAILURE COMPOSITE
                  relWeight: 0
                  payRate: 0
                  natUnadjCopay: 0
                  minUnadjCopay: 0
                - code: 0001U
                  opsiCode: A
                  description: RBC DNA HEA 35 AG 11 BLD GRP
                  relWeight: 0
                  payRate: 0
                  natUnadjCopay: 0
                  minUnadjCopay: 0
                totalCount: 18341
        '400':
          description: Bad request
          content:
            application/json:
              example:
                error:
                - sort parameter value should be from list of [code, -code]
                warning: null
                info: null
        '500':
          description: Internal server error
          content:
            application/json:
              example:
                timestamp: '2023-07-27T08:10:07.573+00:00'
                status: 500
                error: Internal Server Error
                message: 'Request processing failed: java.lang.IllegalArgumentException: Page size must not be less than one'
                path: /optumcommonms/api/optum/facility/federal-register-addendum-b?page=-1
      security:
      - bearerAuth: []
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
x-readme:
  explorer-enabled: true
  proxy-enabled: true