> ## Documentation Index
> Fetch the complete documentation index at: https://api.monument.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Add a fee or service to monthly billing

> Adds a recurring fee or service to the unit rental record's billing template. The fee will appear on the **next** monthly invoice **generated** by the invoice generation job. If the next invoice has already been generated, it will not be updated.
Only item types where `isRecurring` is true can be added; only FEES and SERVICES categories that are assigned to the facility (via organization item tax rate) and active are valid.



## OpenAPI

````yaml /openapi/integration-openapi.json post /api/{portfolio}/portfolios/v1/facilities/{facilityUuid}/rentalRecords/{unitRentalRecordUuid}/addFeeToMonthlyBilling
openapi: 3.0.0
info:
  title: Monument Integration API
  description: Monument Integration API
  version: '1.0'
  contact: {}
servers:
  - url: https://public-api.prd.monument.io
    description: Production
  - url: https://public-api.stg.monument.io
    description: Staging
security: []
tags:
  - name: Portfolios
    description: List portfolios accessible to the API key
  - name: Facilities
    description: Facility retrieval and coverage-option configuration
  - name: Units
    description: Unit listing and MORA execution
  - name: Unit Groups
    description: Unit group listing, rate management, and unit assignment
  - name: Rental Records
    description: Rental record listing, coverage, fees, autopay, and payment links
  - name: Ledger Entries
    description: Ledger entry retrieval at facility and rental-record level
  - name: Leads
    description: Lead listing and lease sending
  - name: Tasks
    description: Task creation and listing for integrations
  - name: Tenants
    description: Tenant listing and person updates
  - name: People
    description: Person listing
  - name: Notes
    description: Note listing and creation for tenants and leads
  - name: Auctions
    description: Auction listing
  - name: Coverage
    description: Portfolio-level coverage CRUD and coverage history
  - name: Summary
    description: Portfolio-level aggregate summaries (insurance enrollment/occupancy)
  - name: Promotions
    description: Promotion listing
  - name: ECRI
    description: Effective Current Rent Increase scheduling
  - name: Item Types
    description: Item type listing per facility
  - name: Delinquencies
    description: Delinquency listing per facility
  - name: Physical Locks
    description: Physical lock assignment and unassignment
  - name: Lead Source Options
    description: Lead source option listing
  - name: Webhooks
    description: Webhook subscription management
  - name: Payments
    description: Payment profile creation
paths:
  /api/{portfolio}/portfolios/v1/facilities/{facilityUuid}/rentalRecords/{unitRentalRecordUuid}/addFeeToMonthlyBilling:
    post:
      tags:
        - Rental Records
      summary: Add a fee or service to monthly billing
      description: >-
        Adds a recurring fee or service to the unit rental record's billing
        template. The fee will appear on the **next** monthly invoice
        **generated** by the invoice generation job. If the next invoice has
        already been generated, it will not be updated.

        Only item types where `isRecurring` is true can be added; only FEES and
        SERVICES categories that are assigned to the facility (via organization
        item tax rate) and active are valid.
      operationId: FacilityRentalRecordsController_addFeeToMonthlyBilling
      parameters:
        - name: unitRentalRecordUuid
          required: true
          in: path
          schema:
            type: string
        - name: facilityUuid
          required: true
          in: path
          schema:
            type: string
        - name: portfolio
          required: true
          in: path
          schema:
            type: string
        - in: header
          required: true
          name: x-api-key
          schema:
            example: monument-2230012-2312321
            description: >-
              Api key required to authenticate your request. Please reach out to
              monument for a key.
      requestBody:
        required: true
        description: Item type UUID of the recurring fee or service to add
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AddFeeToMonthlyBillingDto'
      responses:
        '201':
          description: Fee added to monthly billing successfully
        '400':
          description: >-
            Invalid fee for this unit (e.g. not recurring, not assigned to
            facility, or unit has no billing template)
        '404':
          description: Rental record not found for this facility
        '409':
          description: >-
            The same recurring fee or service is already on this unit billing
            template
components:
  schemas:
    AddFeeToMonthlyBillingDto:
      type: object
      properties:
        itemTypeUuid:
          type: string
          description: >-
            Item type UUID of the recurring fee or service to add to monthly
            billing
          example: 11111111-1111-1111-1111-111111111111
          format: uuid
      required:
        - itemTypeUuid

````