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OpenAPI Specification

openapi: 3.2.0
info:
  title: AMG Corporate Content Affiliates API
  version: v1
  summary: Undocumented first-party JSON API on www.amg.com serving the AMG Affiliate roster.
  description: The AMG Corporate Content API is the JSON surface that backs the affiliate directory on https://www.amg.com.
  contact:
    name: Affiliated Managers Group
    url: https://www.amg.com/contact-us/
  termsOfService: https://www.amg.com/terms-and-conditions/
  x-derived-by: API Evangelist enrichment pipeline
  x-derived-from: https://www.amg.com/wp-json/amginc/v1
  x-derived-on: '2026-08-30'
  x-publication-status: undocumented-site-backing-api
servers:
- url: https://www.amg.com/wp-json
  description: AMG corporate site WordPress REST root
tags:
- name: Affiliates
  description: The AMG Affiliate roster of independent investment management firms.
paths:
  /amginc/v1:
    get:
      operationId: getCorporateNamespace
      summary: Get the amginc/v1 namespace index
      description: Returns the WordPress REST namespace index listing every route and method in the amginc/v1 namespace.
      tags:
      - Affiliates
      parameters:
      - name: context
        in: query
        required: false
        description: WordPress REST response context.
        schema:
          type: string
          default: view
      responses:
        '200':
          description: Namespace route table.
          content:
            application/json:
              schema:
                type: object
                properties:
                  namespace:
                    type: string
                  routes:
                    type: object
  /amginc/v1/affiliates:
    post:
      operationId: listAffiliates
      summary: List AMG Affiliates
      description: Returns the AMG Affiliate roster. Declared POST-only by the provider's route table and observed returning the full roster for an empty JSON body. The response is a JSON string containing a JSON-encoded array, so consumers must parse twice.
      tags:
      - Affiliates
      requestBody:
        required: false
        description: No arguments are declared by the provider's route table; an empty object was observed to work.
        content:
          application/json:
            schema:
              type: object
            example: {}
      responses:
        '200':
          description: JSON-encoded array of affiliates, returned as a JSON string.
          content:
            application/json:
              schema:
                type: string
                description: A JSON string that decodes to an array of Affiliate objects.
              example: '[{"name":"Abacus Capital Group","logo":"https://media.amg.com/wp-content/uploads/2022/04/12021002/abacus.png","amg_affiliates_founded":"2004","amg_affiliate_since":"2021","url":"https://www.amg.com/affiliate/abacus/"}]'
        '404':
          description: No route matched.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
              example:
                code: rest_no_route
                message: No route was found matching the URL and request method.
                data:
                  status: 404
components:
  schemas:
    Error:
      type: object
      description: The WordPress REST error envelope returned by this API. Not RFC 9457.
      properties:
        code:
          type: string
        message:
          type: string
        data:
          type: object
          properties:
            status:
              type: integer