Warrant Roles and Permissions API

openapi: 3.2.0
info:
  title: Warrant Check Roles and Permissions API
  description: 'Warrant was a centralized, fine-grained authorization (FGA) service inspired by Google Zanzibar. Applications defined an authorization model (object types and relations), wrote relationship tuples called warrants between objects, and then ran real-time access checks and relationship queries. The service supported ReBAC, RBAC, and ABAC, plus entitlements (features and pricing tiers). The core engine is open source (Apache-2.0, github.com/warrant-dev/warrant) and self-hostable against MySQL, Postgres, or SQLite; the self-hosted server listens on port 8000 by default. The hosted service used base URL https://api.warrant.dev with API-key authentication via the `Authorization: ApiKey <key>` header.

    STATUS - RETIRED. Warrant was acquired by WorkOS on 2024-04-23 and folded into WorkOS FGA. The standalone hosted Warrant API (api.warrant.dev) and the Warrant-based WorkOS FGA were deprecated and sunset on 2025-11-15. The paths below are MODELED from Warrant''s publicly documented v1/v2 API for historical and access-control reference; they are not a live contract. Verify current fine-grained authorization at https://workos.com/docs/fga.'
  version: '1.0'
  contact:
    name: Warrant (now WorkOS FGA)
    url: https://warrant.dev
  license:
    name: Apache-2.0
    url: https://github.com/warrant-dev/warrant/blob/main/LICENSE
servers:
- url: https://api.warrant.dev
  description: Warrant hosted API (RETIRED - sunset 2025-11-15)
- url: http://localhost:8000
  description: Self-hosted open-source Warrant server (default port)
security:
- apiKeyAuth: []
tags:
- name: Roles and Permissions
  description: RBAC and entitlements convenience surface (roles, permissions, users, tenants, features, pricing tiers).
paths:
  /v1/roles:
    get:
      operationId: listRoles
      tags:
      - Roles and Permissions
      summary: List roles
      description: Lists RBAC roles. Roles are objects of type role with permissions assigned via warrants. RETIRED / modeled.
      responses:
        '200':
          description: A list of roles.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Role'
    post:
      operationId: createRole
      tags:
      - Roles and Permissions
      summary: Create a role
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Role'
      responses:
        '200':
          description: The created role.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Role'
  /v1/roles/{roleId}/permissions/{permissionId}:
    parameters:
    - name: roleId
      in: path
      required: true
      schema:
        type: string
    - name: permissionId
      in: path
      required: true
      schema:
        type: string
    post:
      operationId: assignPermissionToRole
      tags:
      - Roles and Permissions
      summary: Assign a permission to a role
      description: Writes a warrant granting the permission to the role. RETIRED / modeled.
      responses:
        '200':
          description: The permission was assigned to the role.
    delete:
      operationId: removePermissionFromRole
      tags:
      - Roles and Permissions
      summary: Remove a permission from a role
      responses:
        '200':
          description: The permission was removed from the role.
  /v1/permissions:
    get:
      operationId: listPermissions
      tags:
      - Roles and Permissions
      summary: List permissions
      responses:
        '200':
          description: A list of permissions.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Permission'
    post:
      operationId: createPermission
      tags:
      - Roles and Permissions
      summary: Create a permission
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Permission'
      responses:
        '200':
          description: The created permission.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Permission'
  /v1/users:
    get:
      operationId: listUsers
      tags:
      - Roles and Permissions
      summary: List users
      description: Lists users. Users are objects of type user; a convenience wrapper over the Objects API. RETIRED / modeled.
      responses:
        '200':
          description: A list of users.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Object'
    post:
      operationId: createUser
      tags:
      - Roles and Permissions
      summary: Create a user
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ObjectCreate'
      responses:
        '200':
          description: The created user.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Object'
  /v1/tenants:
    get:
      operationId: listTenants
      tags:
      - Roles and Permissions
      summary: List tenants
      description: Lists tenants (organizations). Tenants are objects of type tenant. RETIRED / modeled.
      responses:
        '200':
          description: A list of tenants.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Object'
    post:
      operationId: createTenant
      tags:
      - Roles and Permissions
      summary: Create a tenant
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ObjectCreate'
      responses:
        '200':
          description: The created tenant.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Object'
  /v1/features:
    get:
      operationId: listFeatures
      tags:
      - Roles and Permissions
      summary: List features
      description: Lists entitlement features that can be granted to pricing tiers, tenants, or users. RETIRED / modeled.
      responses:
        '200':
          description: A list of features.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Feature'
    post:
      operationId: createFeature
      tags:
      - Roles and Permissions
      summary: Create a feature
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Feature'
      responses:
        '200':
          description: The created feature.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Feature'
  /v1/pricing-tiers:
    get:
      operationId: listPricingTiers
      tags:
      - Roles and Permissions
      summary: List pricing tiers
      description: Lists pricing tiers used for entitlement / feature gating. RETIRED / modeled.
      responses:
        '200':
          description: A list of pricing tiers.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/PricingTier'
    post:
      operationId: createPricingTier
      tags:
      - Roles and Permissions
      summary: Create a pricing tier
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PricingTier'
      responses:
        '200':
          description: The created pricing tier.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PricingTier'
components:
  schemas:
    Permission:
      type: object
      properties:
        permissionId:
          type: string
        name:
          type: string
        description:
          type: string
    Object:
      type: object
      properties:
        objectType:
          type: string
        objectId:
          type: string
        meta:
          type: object
          additionalProperties: true
        createdAt:
          type: string
          format: date-time
    Feature:
      type: object
      properties:
        featureId:
          type: string
        name:
          type: string
        description:
          type: string
    PricingTier:
      type: object
      properties:
        pricingTierId:
          type: string
        name:
          type: string
        description:
          type: string
    Role:
      type: object
      properties:
        roleId:
          type: string
        name:
          type: string
        description:
          type: string
    ObjectCreate:
      type: object
      required:
      - objectType
      properties:
        objectType:
          type: string
        objectId:
          type: string
          description: Optional; the server generates one if omitted.
        meta:
          type: object
          additionalProperties: true
  securitySchemes:
    apiKeyAuth:
      type: apiKey
      in: header
      name: Authorization
      description: 'API key passed as `Authorization: ApiKey YOUR_API_KEY`. Self-hosted deployments configure the key via ApiKey in the server config.'