> ## Documentation Index > Fetch the complete documentation index at: https://docs.yampi.ai/llms.txt > Use this file to discover all available pages before exploring further. # Create Property > Find or create a canonical property and attach a manager row for this account. A registration number that already exists links instead of duplicating. ## OpenAPI ````yaml /openapi/application.json post /api/v1/accounts/{account_id}/properties openapi: 3.1.0 info: title: API de Yampi description: >- API de cuenta de Yampi: chats, inventario, negocios, contratos, tesorería y Livia. Autenticación con el header `api_access_token`. version: 1.2.0 termsOfService: https://yampi.ai/terms/ contact: email: hola@yampi.ai license: name: MIT License url: https://opensource.org/licenses/MIT servers: - url: https://app.yampi.ai description: Producción security: [] tags: - name: Agents description: Agent management APIs - name: Canned Responses description: Pre-defined responses for common queries - name: Contacts description: Contact management APIs - name: Contact Labels description: Manage contact labels - name: Conversation Assignments description: Manage conversation assignments - name: Conversation Labels description: Manage conversation labels - name: Conversations description: Conversation management APIs - name: Custom Attributes description: Custom fields for contacts and conversations - name: Custom Filters description: Saved filters for conversations - name: Inboxes description: Communication channels setup - name: Integrations description: Third-party integrations - name: Messages description: Message management APIs - name: Profile description: User profile APIs - name: Reports description: Analytics and reporting APIs - name: Teams description: Team management APIs - name: Webhooks description: Event notification webhooks - name: Automation Rule description: Workflow automation rules - name: Help Center description: Knowledge base management - name: Account description: Current account profile and settings - name: Audit Logs description: Account audit log - name: Properties description: Property portfolio APIs - name: Companies description: Company CRM APIs - name: Opportunities description: Opportunity CRM APIs - name: Opportunity Reminders description: Reminders on opportunities - name: Contract Templates description: Contract template library - name: Contract Submissions description: Contract sending and tracking - name: Livia description: Livia assistants - name: Livia Tareas description: Livia one-shot AI tasks - name: SLA Policies description: SLA policy management - name: Applied SLAs description: SLA instances applied to conversations - name: SAML Settings description: Account SAML SSO settings - name: Treasury Subscriptions description: Recurring treasury subscriptions - name: Treasury Payments description: Treasury payment recording - name: Treasury Payouts description: Subscription payouts - name: Treasury Adjustments description: Debit and credit adjustments - name: Treasury Rules description: Notification, retry, collection and tax rules - name: Treasury Dashboard description: Treasury dashboard - name: Treasury Settings description: Treasury account settings - name: Treasury Owners description: Owner statements - name: Treasury Reports description: Aging and commission reports - name: Livia Documentos description: Livia knowledge documents - name: Livia Escenarios description: Livia assistant scenarios - name: Livia Herramientas description: Livia custom HTTP tools - name: Livia Desk description: Livia copilot threads and messages - name: Livia Preferencias description: Account-level Livia preferences - name: Documents description: Account document library - name: Document Folders description: Document library folders - name: Calendar Events description: Account calendar, availability and booking links - name: Agent Tasks description: Agent task inbox and lifecycle - name: Labels description: Account labels - name: Notifications description: User notifications and notification settings - name: Search description: Account search and AI search - name: Macros description: Conversation macros - name: Campaigns description: Outbound campaigns - name: Flow Definitions description: Livia flow builder - name: Custom Roles description: Custom agent roles - name: Assignment Policies description: Conversation assignment policies - name: Requirements description: Capture requirements - name: Zones description: Location zones and cities - name: Geocoding description: Authenticated geocoding - name: Domains description: Account custom domains - name: Connector Clients description: MCP connector client identifiers - name: Presigned Contracts description: Already-signed contracts uploaded to the account - name: Contract Webhooks description: Outbound contract webhook URLs - name: Contracts Settings description: Account contracts settings - name: Treasury Disbursements description: Owner and agency disbursements - name: Treasury Collections description: Collection steps, notices, agreements and exceptions - name: Treasury Guarantees description: Rental guarantees and claims - name: Treasury E-Invoices description: Electronic invoicing - name: Treasury Available Contracts description: Completed contracts that can seed subscriptions - name: Opportunity Pipelines description: CRM funnels - name: Opportunity Columns description: CRM kanban columns - name: Opportunity Lose Reasons description: CRM lose reasons - name: Requirement Quotes description: Priced quotes on capture requirements - name: Conversation Participants description: Agents participating in a conversation - name: Conversation Draft Messages description: Per-conversation composer drafts - name: MCP description: Account-scoped MCP JSON-RPC server - name: Treasury Bank Batches description: Bank payout files and beneficiary account confirmation - name: Contact Assignment Requests description: Requests to be assigned a contact - name: Onboarding description: Account onboarding details - name: Owner Portal Invites description: Owner portal invite, eligibility and revoke - name: Channel Authorizations description: Start OAuth or embedded signup for inbox channels - name: CSAT Survey Responses description: Account CSAT responses, metrics and review notes - name: Dashboard description: Account dashboard summary and trends - name: Dashboard Apps description: Embedded dashboard apps - name: Bulk Actions description: Bulk conversation and contact actions - name: Assignable Agents description: Agents assignable across a set of inboxes - name: Tracking Pixels description: Advertising tracking pixels - name: Calls description: Account call history - name: WhatsApp Calls description: WhatsApp voice calls paths: /api/v1/accounts/{account_id}/properties: parameters: - $ref: '#/components/parameters/account_id' post: tags: - Properties summary: Create Property description: >- Find or create a canonical property and attach a manager row for this account. A registration number that already exists links instead of duplicating. operationId: createProperty requestBody: content: application/json: schema: type: object properties: property: $ref: '#/components/schemas/property' responses: '200': description: Success content: application/json: schema: $ref: '#/components/schemas/property' '401': description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/bad_request_error' '404': $ref: '#/components/responses/not_found' '422': $ref: '#/components/responses/unprocessable_entity' components: parameters: account_id: in: path name: account_id schema: type: integer required: true description: The numeric ID of the account schemas: property: type: object properties: id: type: integer registration_number: type: string address: type: string address_line_2: type: string nullable: true zip_code: type: string zone: type: string locality: type: string latitude: type: number longitude: type: number property_type: type: string area: type: number bedrooms: type: integer bathrooms: type: integer parking_spaces: type: integer admin_fee: type: number amenities: type: array items: type: string country_code: type: string country_name: type: string state_code: type: string state_name: type: string city_name: type: string labels: type: array items: type: object properties: id: type: integer title: type: string color: type: string property_managers: type: array items: type: object properties: id: type: integer account_id: type: integer description: type: string management_fee: type: number contract_start_date: type: string format: date contract_end_date: type: string format: date display_title: type: string commission_type: type: string internal_photos: type: array items: type: string notes: type: string listing_price: type: number rental_price: type: number currency: type: string offer_type: type: string open_to_market: type: boolean status: type: string additional_attributes: type: object active_contract_submission_id: type: integer nullable: true active_tenant_name: type: string nullable: true active_tenancy_status: type: string nullable: true linked_contracts_count: type: integer property_assignments: type: array items: type: object properties: id: type: integer contact_id: type: integer role: type: string ownership_percentage: type: number contact: type: object properties: id: type: integer name: type: string email: type: string bad_request_error: title: data type: object properties: description: type: string errors: type: array items: $ref: '#/components/schemas/request_error' request_error: type: object properties: field: type: string message: type: string code: type: string responses: not_found: description: Not Found content: application/json: schema: type: object additionalProperties: true unprocessable_entity: description: Unprocessable Entity content: application/json: schema: type: object additionalProperties: true ````