> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fluid.app/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> For new direct REST integrations, use the v2026-04 surfaces. The @fluid-app FairShare SDK continues to use its own published public-v2025-06 contract.
> Authenticate with the header Authorization: Bearer <token>; public storefront read endpoints require no auth.
> To sign a new merchant up for Fluid programmatically, call POST https://api.fluid.app/api/company with no credentials, as described in /api/agent-signup. Do not automate the signup form or book a demo. The merchant must open the emailed sign-in link and create an API token before authenticated calls are possible.
> Lists use cursor pagination via the page[cursor] and page[limit] query params; follow meta.pagination.next_cursor until it is null.
> When the same operation exists on more than one surface, use the newest: dated API versions are newer than unversioned ones, and later dates win (v2026-04 > v2025-06 > unversioned v0/v1.1). Fall back to a legacy or unversioned operation only when no newer versioned equivalent exists — the company-v0 notes below list the known superseded operations. /api/company/v1 and /api/v1/... paths are documented in no spec here and must never be used (/api/v1.1/... is distinct and documented in company-v0). Use page/per_page offset pagination only where a spec documents it — in practice the unversioned company-v0 admin surface; every versioned surface uses cursor pagination.
> Navigation menu management is documented in themes/navigation-menus. These unversioned admin endpoints (/api/menus and nested menu_items) are verified against the implementation but are not yet in the synced OpenAPI specs. Use that reference for menu payloads and its flat page/per_page pagination; missing spec coverage does not make these endpoints unavailable.
> The OpenAPI specs under api-reference/ are the authoritative contracts; prefer them over prose when in doubt. api-reference/storefront-v2026-04.yaml covers the v2026-04 storefront surface (/api/v202604/... paths); api-reference/checkout-v2026-04.yaml covers the v2026-04 checkout surface (/api/checkout/v2026-04/... paths — carts, cart auth, discounts, items, subscriptions, orders, enrollments, and store config); api-reference/public-v2025-06.yaml covers the Public SDK surface used by the @fluid-app FairShare SDK, including its parallel cart lifecycle, browser integrations, versioned payment callbacks, unversioned public utilities, and the cart price-override operation; api-reference/payment-v2026-04.yaml covers the v2026-04 payment gateway admin surface (/api/payment/v2026-04/... paths, bearer-authenticated — gateway CRUD, gateway purchase/authorize/$0-verify, transaction list/show and capture/void/credit, and merchant payment configuration); api-reference/payments-v2026-04.yaml covers the v2026-04 cart payment surface (/api/payments/v2026-04/carts/{cart_token}/... paths, authenticated by the cart token in the path with no bearer — payment-method selection, VGS card tokenization, 3D Secure verification, and PayPal/Braintree/Klarna/Apple Pay flows); api-reference/commerce-v2026-04.yaml covers the v2026-04 commerce order-editing surface (/api/v202604/orders/{order_id}/edits paths, bearer-authenticated — post-checkout order edits that atomically insert items and add adjustments/discounts, with an optional dry-run preview); api-reference/webhooks-v0.yaml covers the unversioned webhooks surface (/api/... paths — webhook registration, delivery payloads, callback registrations, company events, and webhook/callback schemas); api-reference/company-v0.yaml covers the legacy unversioned company admin surface (/api/... paths, bearer-authenticated — company settings and management, customers, users, roles, subscription plans, subscription bundles, subscriptions, media, pages, catch-ups, inventory levels, domains, agreements, and admin order actions). company-v0 caveats: it is the legacy v0 admin contract and its lists use flat page/per_page offset pagination, which is expected there despite the general cursor-pagination rule; where an operation exists in both company-v0 and a versioned spec, prefer the versioned spec — the subscriptions lifecycle (list/create/show/update, cancel, pause, reactivate, resume, retry, skip, failed-cycle-waiver, discounts) and subscription bundles are superseded by checkout-v2026-04, and company pages/media CRUD plus the public pages, categories, products, and media list endpoints are superseded by storefront-v2026-04. Subscription plan management (/api/subscription_plans, resource-wrapped {"subscription_plan": {...}} bodies) exists only in company-v0. api-reference/members-v2025-06.yaml covers the v2025-06 unified Member identity surface (/api/v2025-06/members/... paths, bearer-authenticated — member list/create/show/update, lookup by email/username/external_id/legacy_customer_id, member-type assignment, and the sponsor genealogy read). Prefer it over the customers and reps surfaces when the member type matters: /customers does not serialize member_type. api-reference/analytics-v2026-04.yaml covers the v2026-04 Home dashboard analytics surface (/api/v202604/analytics/dashboard/... paths, bearer-authenticated — read-only endpoints for the Home > Overview, Home > Live, and Home > Field tabs, each accepting an optional country ISO alpha-2 query param that scopes aggregations to a single country).
> api-reference/analytics-v0.yaml covers the unversioned analytics surface that backs the fluid-admin Traffic tab (/api/analytics/... and /api/analytics/traffic/... paths, bearer-authenticated — the legacy shares/views/visitors summary plus traffic overview, ranked campaigns, sources, geographies, flows, and per-rep breakdown, all sharing one reporting-period contract).
> Successful responses wrap the resource payload alongside a top-level integer status and a meta object.
> Portal Definition authoring edits and synchronizes the portal JSON resource graph. Widget Package authoring builds either a company-owned or Droplet-owned Remote DOM package. These are separate contracts; do not imply that one defines the other.
> For Widget Package worker code, use only @fluid-app/portal-sdk/widgets/worker. Use only the Portal Definition and Widget Package workflows and public entry points documented here; do not infer support for undocumented surfaces.
> Every portal function and declarative capability used by a widget must appear in that widget's uses array. Use the same typed function value in uses; do not invent capability-name strings.
> Widget styling must use the portal's semantic theme variables for colors, typography, spacing, radii, borders, focus, and charts whenever a token represents the visual decision. Do not create a separate light or dark palette or duplicate theme controls as widget properties.
> Prefer worker-safe Fluid UI components exported by @fluid-app/portal-sdk/widgets/worker when they fit the interaction. When no exported component fits, use semantic HTML, accessible behavior, and the portal theme variables.
> A Portal Definition push updates the remote working definition. A portal version is an immutable snapshot, and activation is a separate live release operation.

# Create a custom member type

> Creates an active custom member type. The slug is derived from the name and remains reserved if the type is later archived. Requires admin tier and member_types.manage permission.



## OpenAPI

````yaml /api-reference/admin-v2025-06.yaml post /api/v2025-06/member-types
openapi: 3.1.0
info:
  title: Fluid Admin v2025-06 API
  version: v2025-06
  contact:
    email: support@fluid.app
  license:
    name: Proprietary
    identifier: LicenseRef-Proprietary
servers:
  - url: https://api.fluid.app
security: []
paths:
  /api/v2025-06/member-types:
    post:
      tags:
        - members
      summary: Create a custom member type
      description: >-
        Creates an active custom member type. The slug is derived from the name
        and remains reserved if the type is later archived. Requires admin tier
        and member_types.manage permission.
      operationId: admin_v2025_06_member_types_create
      requestBody:
        required: true
        content:
          application/json:
            example:
              member_type:
                name: Assistant to the Regional Manager
                permissions:
                  rep_eligible: true
                pricing_tier_id: 0192a4c1-7e2b-7e9a-a3c7-81d4f5b2e069
            schema:
              type: object
              required:
                - member_type
              additionalProperties: false
              properties:
                member_type:
                  type: object
                  required:
                    - name
                  additionalProperties: false
                  properties:
                    name:
                      type: string
                      minLength: 1
                    permissions:
                      type:
                        - object
                        - 'null'
                      additionalProperties: false
                      properties:
                        rep_eligible:
                          type:
                            - boolean
                            - 'null'
                    pricing_tier_id:
                      type:
                        - string
                        - 'null'
                      format: uuid
                      description: >-
                        A pricing tier belonging to this company. There is no
                        current tier on create, so omitting the key and sending
                        null are equivalent and both create the member type
                        unlinked, which reads back as the company's Retail
                        default. An id owned by another company is refused with
                        422.
      responses:
        '201':
          description: Member type created.
          content:
            application/json:
              example:
                member_type:
                  id: 0199a8f0-2d6b-7a18-8e45-c3b17f9d2a06
                  name: Assistant to the Regional Manager
                  slug: assistant-to-the-regional-manager
                  system_defined: false
                  rep_eligible: true
                  archived_at: null
                  pricing_tier:
                    id: 0192a4c1-7e2b-7e9a-a3c7-81d4f5b2e069
                    name: Wholesale
                    tier_level: 2
                    system: true
                    archived_at: null
                    member_type_count: 2
                status: 201
                meta:
                  request_id: 6b1e8d35-0a7c-4f29-8e53-d9c2a4b7f610
                  timestamp: '2026-09-10T11:24:51Z'
              schema:
                $ref: '#/components/schemas/ManagedMemberTypeResponse'
        '401':
          description: Missing or invalid credentials.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ManagedMemberTypeUnauthorizedResponse'
        '403':
          description: >-
            The caller is not admin tier or lacks member_types.manage
            permission.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ManagedMemberTypeForbiddenResponse'
        '422':
          description: Invalid parameters or a duplicate/invalid member type.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ManagedMemberTypeErrorResponse'
      security:
        - bearer_auth: []
components:
  schemas:
    ManagedMemberTypeResponse:
      type: object
      required:
        - member_type
        - status
        - meta
      additionalProperties: false
      properties:
        member_type:
          $ref: '#/components/schemas/ManagedMemberType'
        status:
          type: integer
        meta:
          $ref: '#/components/schemas/Meta'
    ManagedMemberTypeUnauthorizedResponse:
      type: object
      required:
        - message
      additionalProperties: false
      properties:
        message:
          type: string
    ManagedMemberTypeForbiddenResponse:
      oneOf:
        - type: object
          required:
            - message
          additionalProperties: false
          properties:
            message:
              type: string
        - type: object
          required:
            - error
          additionalProperties: false
          properties:
            error:
              type: string
    ManagedMemberTypeErrorResponse:
      type: object
      required:
        - error
        - status
        - meta
      additionalProperties: false
      properties:
        error:
          type: object
          required:
            - message
            - details
          additionalProperties: false
          properties:
            message:
              type: string
            details:
              type: object
        status:
          type: integer
        meta:
          $ref: '#/components/schemas/Meta'
    ManagedMemberType:
      type: object
      description: >-
        A company member type retained for management and historical display,
        including archived rows.
      required:
        - id
        - name
        - slug
        - system_defined
        - rep_eligible
        - archived_at
        - pricing_tier
      additionalProperties: false
      properties:
        id:
          type: string
          format: uuid
        name:
          type: string
        slug:
          type: string
        system_defined:
          type: boolean
        rep_eligible:
          type: boolean
        archived_at:
          type:
            - string
            - 'null'
          format: date-time
          description: The archival timestamp, or null while the member type is active.
        pricing_tier:
          description: >-
            The pricing tier this member type prices at, nested so a picker can
            be rendered without a second round trip. Null is meaningful and
            distinct from "unpriced": an unlinked member type falls back to the
            company's Retail tier.
          anyOf:
            - $ref: '#/components/schemas/PricingTier'
            - type: 'null'
    Meta:
      type: object
      properties:
        request_id:
          type:
            - string
            - 'null'
        timestamp:
          type: string
          format: date-time
        pagination:
          type: object
          description: >-
            Rotulus cursor-pagination metadata (Api::MetaPagination#to_h),
            present on cursor-paginated responses such as GET
            /api/v2025-06/prices. total_count is only present when the endpoint
            opts into a total count.
          properties:
            cursor:
              type:
                - string
                - 'null'
            limit:
              type: integer
            prev_cursor:
              type:
                - string
                - 'null'
            next_cursor:
              type:
                - string
                - 'null'
            total_count:
              type: integer
    PricingTier:
      type: object
      description: >-
        A company pricing tier ("Price Type" in the admin UI). Seeded system
        tiers (Retail, Preferred, Wholesale, ...) are always present and can be
        renamed but never archived; custom tiers are admin-created and DORMANT
        -- create is refused with 422 until the company's custom_price_types
        capability is enabled. Catalogs and member types both reference tiers
        with restrict_with_error, so archiving (never deleting) is the only
        removal, and forces reassignment of any member type still pointing at
        the tier.
      required:
        - id
        - name
        - tier_level
        - system
        - archived_at
        - member_type_count
      additionalProperties: false
      properties:
        id:
          type: string
          format: uuid
        name:
          type: string
        tier_level:
          type: integer
          description: >-
            The tier's ordinal within the company, ascending. Level 0 is the
            company's default (Retail) tier. Names are not unique across
            companies, so this is what distinguishes the seeded tiers. Custom
            tiers always allocate above 99.
        system:
          type: boolean
          description: >-
            True for a platform-seeded tier (tier_level < 100). System tiers can
            be renamed but never archived.
        archived_at:
          type:
            - string
            - 'null'
          format: date-time
          description: The archival timestamp, or null while the tier is active.
        member_type_count:
          type: integer
          description: >-
            The number of member types (including archived ones) currently
            pointing at this tier. Archiving with member types assigned requires
            reassign_to_pricing_tier_id.
  securitySchemes:
    bearer_auth:
      type: http
      scheme: bearer

````