openapi: 3.1.0 info: title: Tabs Platform BillingTerms Categories API description: 'REST API for the Tabs revenue automation platform: customers, contracts, items, revenue categories, obligations, billing terms, invoices, payments, credit memos, usage events, and reports. Source: https://docs.tabsplatform.com/llms.txt' version: '3' contact: name: Tabs url: https://docs.tabsplatform.com/ servers: - url: https://api.tabsplatform.com description: Production (assumed; consult Tabs docs for exact base URL) security: - ApiKeyAuth: [] tags: - name: Categories paths: /categories: get: tags: - Categories summary: List categories operationId: listCategories responses: '200': description: OK post: tags: - Categories summary: Create category operationId: createCategory responses: '201': description: Created /categories/{id}: parameters: - name: id in: path required: true schema: type: string get: tags: - Categories summary: Get category by ID operationId: getCategory responses: '200': description: OK delete: tags: - Categories summary: Delete category operationId: deleteCategory responses: '204': description: Deleted /classes: get: tags: - Categories summary: List classes operationId: listClasses responses: '200': description: OK components: securitySchemes: ApiKeyAuth: type: apiKey in: header name: Authorization description: Server-side API key issued from the Tabs dashboard for backend integrations.