openapi: 3.1.0 info: title: Tabs Platform BillingTerms Contracts 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: Contracts paths: /contracts: get: tags: - Contracts summary: List contracts operationId: listContracts responses: '200': description: OK post: tags: - Contracts summary: Create contract operationId: createContract responses: '201': description: Created /contracts/{id}: parameters: - name: id in: path required: true schema: type: string get: tags: - Contracts summary: Get contract by ID operationId: getContract responses: '200': description: OK patch: tags: - Contracts summary: Update contract operationId: updateContract responses: '200': description: OK /contracts/{id}/actions: parameters: - name: id in: path required: true schema: type: string post: tags: - Contracts summary: Perform contract action operationId: contractAction responses: '200': description: OK /contracts/{id}/file: parameters: - name: id in: path required: true schema: type: string get: tags: - Contracts summary: Download contract file operationId: downloadContractFile responses: '200': description: OK post: tags: - Contracts summary: Upload contract file operationId: uploadContractFile responses: '201': description: Created components: securitySchemes: ApiKeyAuth: type: apiKey in: header name: Authorization description: Server-side API key issued from the Tabs dashboard for backend integrations.