openapi: 3.0.3
info:
  title: Stigg Coupons Entitlements API
  description: Stigg is a pricing and packaging platform providing feature management, entitlements, and usage-based billing for SaaS and API products. The Stigg API exposes GraphQL and REST endpoints for customer provisioning, subscription management, entitlement checking, and usage reporting. Authentication requires a Full access key passed via the X-API-KEY header.
  version: '1.0'
  contact:
    url: https://www.stigg.io/
  termsOfService: https://www.stigg.io/terms
servers:
- url: https://api.stigg.io
  description: Stigg Production API
security:
- ApiKey: []
tags:
- name: Entitlements
  description: Feature access and entitlement checks.
paths:
  /graphql:
    post:
      operationId: executeGraphQL
      summary: Execute GraphQL Query or Mutation
      description: Execute any Stigg GraphQL query or mutation. Stigg uses GraphQL as its primary API. Send a JSON body with a query/mutation string and optional variables. Supports customer management, subscription operations, entitlement checks, and usage reporting.
      tags:
      - Entitlements
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/GraphQLRequest'
            examples:
              provisionCustomer:
                summary: Provision a Customer
                value:
                  query: "mutation ProvisionCustomer($input: ProvisionCustomerInput!) {\n  provisionCustomer(input: $input) {\n    customer { id name email }\n    subscription { id status plan { id name } }\n  }\n}\n"
                  variables:
                    input:
                      customerId: customer-123
                      name: Acme Corp
                      email: admin@acme.com
              checkEntitlement:
                summary: Check Feature Entitlement
                value:
                  query: "query GetCustomerEntitlement($customerId: String!, $featureId: String!) {\n  customerEntitlement(customerId: $customerId, featureId: $featureId) {\n    isGranted\n    usageLimit\n    currentUsage\n    resetPeriod\n  }\n}\n"
                  variables:
                    customerId: customer-123
                    featureId: feature-api-calls
              reportUsage:
                summary: Report Feature Usage
                value:
                  query: "mutation ReportUsage($input: ReportUsageInput!) {\n  reportUsage(input: $input) { id }\n}\n"
                  variables:
                    input:
                      customerId: customer-123
                      featureId: feature-api-calls
                      value: 100
      responses:
        '200':
          description: GraphQL response (may contain data or errors).
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GraphQLResponse'
        '401':
          description: Invalid or missing X-API-KEY header.
components:
  schemas:
    GraphQLRequest:
      type: object
      required:
      - query
      properties:
        query:
          type: string
          description: GraphQL query or mutation string.
        variables:
          type: object
          description: Variables for the GraphQL operation.
          additionalProperties: true
        operationName:
          type: string
          description: Named operation to execute when the document contains multiple.
    GraphQLResponse:
      type: object
      properties:
        data:
          type: object
          description: Response data from the GraphQL operation.
          additionalProperties: true
        errors:
          type: array
          description: Array of GraphQL errors if any occurred.
          items:
            $ref: '#/components/schemas/GraphQLError'
    GraphQLError:
      type: object
      properties:
        message:
          type: string
          description: Human-readable error message.
        locations:
          type: array
          items:
            type: object
            properties:
              line:
                type: integer
              column:
                type: integer
        path:
          type: array
          items:
            type: string
        extensions:
          type: object
          additionalProperties: true
  securitySchemes:
    ApiKey:
      type: apiKey
      in: header
      name: X-API-KEY
      description: Full access key from the Stigg dashboard (Integrations > API keys).