Fund That Flip Project Expenses: Line Items API

The Project Expenses: Line Items API from Fund That Flip — 2 operation(s) for project expenses: line items.

Operations 4

GET /project/{projectV1}/expense-line-items/list List #
GET /project/{projectV1}/expense-line-items/{expenseUuid} Show #
PATCH /project/{projectV1}/expense-line-items/{expenseUuid} Update #
DELETE /project/{projectV1}/expense-line-items/{expenseUuid} Delete #

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OpenAPI Specification

fund-that-flip-project-expenses-line-items-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: 'FlipperForce Public Project Expenses: Line Items API'
  version: 0.0.10
  description: '# FlipperForce Public API • Version 1


    ## How do I request an API key?


    1. [Request a Public API key.](https://tools.flipperforce.com/integrations)

    2. Use the API key as an Authorization HTTP header with Bearer token: `Authorization: Bearer token-goes-here`


    ## Support / Help


    * Email: support@flipperforce.com

    * Chat: https://tools.flipperforce.com/


    ## Rate Limits


    If you encounter a `429 Too Many Requests` response, you have submitted too many

    requests in a short amount of time. Please decrease the amount or frequency of

    your requests and try again.


    ## Changelog


    ### July 25, 2026 - v0.0.10


    * Add support for [Activity Log](/operations/v1.workspace.activity-log.list).


    ### July 23, 2026 - v0.0.9


    * Response format of `created_at` and `updated_at` fields now include microseconds. Old format: `2026-06-14T15:30:45Z` and new format: `2026-06-14T15:30:45.123456Z`


    ### July 21, 2026 - v0.0.8


    * OpenAPI spec documents Bearer Token authentication strategy


    ### June 22, 2026 - v0.0.6


    * Add support for [Project Income](/operations/v1.project.income.list).

    * [Create Upload Intent](/operations/v1.workspace.upload-intent.create) properly documents API response code as 201 Created instead of 200 OK.


    ### June 21, 2026 - v0.0.4


    * Add support for [Project Expenses: Transactions](/operations/v1.project.expense-transactions.list).

    * Add support for [Project Expenses: Line Items](/operations/v1.project.expense-line-items.list).


    ### June 4, 2026 - v0.0.3


    * Add support for [Project Expenses: Categories](/operations/v1.project.expense-categories.list).


    ### June 2, 2026 - v0.0.2


    * Add support for [Expense Accounts](/operations/v1.workspace.expense-accounts.list).

    * Add support for [Companies](/operations/v1.workspace.companies.list).

    * Add support for [Company Categories](/operations/v1.workspace.companies.categories.list).


    ### September 3, 2025 - v0.0.1


    * [Project Photo Log: Photos - Create](/operations/v1.project.photo-log.create) added support for ordering Photos by EXIF timestamp via parameter `photo_timestamp`.


    ### August 13, 2025


    * [Create Upload Intent API](/operations/v1.workspace.upload-intent.create) now requires a new POST parameter `upload_type` noting the uploaded file''s use case.

    '
servers:
- url: https://tools.flipperforce.com/api/v1
security:
- PublicApiBearerAuth: []
tags:
- name: 'Project Expenses: Line Items'
paths:
  /project/{projectV1}/expense-line-items/list:
    get:
      operationId: v1.project.expense-line-items.list
      description: "List Expense line items within a Project.\n\nExpense Line Items are the individual charges within an Expense Transaction, such as the items purchased and listed on a receipt.\n\n## Reporting on Total Amounts\n\nSee the `data.totals` property in the response for the sum total of various Expense Line Item fields (before pagination).\n\n* `data.totals.amount` - Sum of all `amount` values for all matching Expenses (excludes tax)\n* `data.totals.tax` - Sum of all `tax` values for all matching Expenses\n* `data.totals.total` - Sum of all `total` values for all matching Expenses (amount + tax)\n\nThe total number of records matching the query parameters is in `meta.total_count`.\n\n## Filter by date range\n\n Supports limiting to date ranges by using a combination of these operators:\n\n * date[gt] - greater than\n * date[gte] - greater than or equal to\n * date[lt] - less than\n * date[lte] - less than or equal to\n\n## Example: Find Expenses for a specific Date\n\n```text\nGET /api/v1/project/{projectV1}/expense-line-items/list?date=2025-09-15\n```\n\n## Example: Year-to-Date Totals\n\nRequest Expenses using a year-to-date range, then read the returned totals.\n\nFor example, Expenses year-to-date through June 19, 2026.\n\n* date[gte]=2026-01-01\n* date[lte]=2026-06-19\n\n```text\nGET /api/v1/project/{projectV1}/expense-line-items/list?date[gte]=2026-01-01&date[lte]=2026-06-19\n```\n\nExample response body excerpt:\n\n```json\n{\n  \"data\": {\n    \"totals\": {\n      \"amount\": 475.25,\n      \"tax\": 40.14,\n      \"total\": 515.39\n    },\n    \"expenses\": [\n      {\n        \"uuid\": \"9d0e1f23-4567-489a-bcde-f0123456789a\",\n        \"created_at\": \"2026-06-19T15:30:00.000000Z\",\n        \"updated_at\": \"2026-06-19T15:30:00.000000Z\",\n        \"transaction_uuid\": \"8c9d0e1f-2345-4567-89ab-cdef01234567\",\n        \"date\": \"2026-06-19\",\n        \"invoice_number\": \"HD-4213\",\n        \"name\": \"Architectural roof shingles\",\n        \"class\": \"material\",\n        \"amount\": 475.25,\n        \"tax\": 40.14,\n        \"total\": 515.39,\n        \"expense_account\": {\n          \"uuid\": \"1c2d3e4f-5a6b-4c7d-8e9f-0123456789ab\",\n          \"name\": \"Visa 4213\"\n        },\n        \"company\": {\n          \"uuid\": \"2d3e4f5a-6b7c-4d8e-9f01-123456789abc\",\n          \"name\": \"The Home Depot\"\n        },\n        \"expense_category\": {\n          \"uuid\": \"3e4f5a6b-7c8d-4e9f-8012-23456789abcd\",\n          \"name\": \"Roofing\"\n        }\n      }\n    ]\n  }\n}\n```\n\n## Example: Per Company Totals\n\nUse the [Companies List API](/operations/v1.workspace.companies.list) to find the UUID of the Company you want, then provide the UUID with filter `company_uuids[]`.\n\nThen read the response field `data.totals` to find the total.\n\n```text\nGET /api/v1/project/{projectV1}/expense-line-items/list?company_uuids[]=2d3e4f5a-6b7c-4d8e-9f01-123456789abc\n```\n\nExample response body excerpt:\n\n```json\n{\n  \"data\": {\n    \"totals\": {\n      \"amount\": 475.25,\n      \"tax\": 40.14,\n      \"total\": 515.39\n    },\n    \"expenses\": [\n      {\n        \"uuid\": \"9d0e1f23-4567-489a-bcde-f0123456789a\",\n        \"created_at\": \"2026-06-19T15:30:00.000000Z\",\n        \"updated_at\": \"2026-06-19T15:30:00.000000Z\",\n        \"transaction_uuid\": \"8c9d0e1f-2345-4567-89ab-cdef01234567\",\n        \"date\": \"2026-06-19\",\n        \"invoice_number\": \"HD-4213\",\n        \"name\": \"Architectural roof shingles\",\n        \"class\": \"material\",\n        \"amount\": 475.25,\n        \"tax\": 40.14,\n        \"total\": 515.39,\n        \"expense_account\": {\n          \"uuid\": \"1c2d3e4f-5a6b-4c7d-8e9f-0123456789ab\",\n          \"name\": \"Visa 4213\"\n        },\n        \"company\": {\n          \"uuid\": \"2d3e4f5a-6b7c-4d8e-9f01-123456789abc\",\n          \"name\": \"The Home Depot\"\n        },\n        \"expense_category\": {\n          \"uuid\": \"3e4f5a6b-7c8d-4e9f-8012-23456789abcd\",\n          \"name\": \"Roofing\"\n        }\n      }\n    ]\n  }\n}\n```\n\n## Example: Per Expense Category Totals\n\nUse the [Project Expenses: Categories List API](/operations/v1.project.expense-categories.list) to find the UUID of the Category you want, then provide the UUID with filter `expense_category_uuids[]`.\n\nThen read the response field `data.totals` to find the total.\n\n```text\nGET /api/v1/project/{projectV1}/expense-line-items/list?expense_category_uuids[]=3e4f5a6b-7c8d-4e9f-8012-23456789abcd\n```\n\nExample response body excerpt:\n\n```json\n{\n  \"data\": {\n    \"totals\": {\n      \"amount\": 475.25,\n      \"tax\": 40.14,\n      \"total\": 515.39\n    },\n    \"expenses\": [\n      {\n        \"uuid\": \"9d0e1f23-4567-489a-bcde-f0123456789a\",\n        \"created_at\": \"2026-06-19T15:30:00.000000Z\",\n        \"updated_at\": \"2026-06-19T15:30:00.000000Z\",\n        \"transaction_uuid\": \"8c9d0e1f-2345-4567-89ab-cdef01234567\",\n        \"date\": \"2026-06-19\",\n        \"invoice_number\": \"HD-4213\",\n        \"name\": \"Architectural roof shingles\",\n        \"class\": \"material\",\n        \"amount\": 475.25,\n        \"tax\": 40.14,\n        \"total\": 515.39,\n        \"expense_account\": {\n          \"uuid\": \"1c2d3e4f-5a6b-4c7d-8e9f-0123456789ab\",\n          \"name\": \"Visa 4213\"\n        },\n        \"company\": {\n          \"uuid\": \"2d3e4f5a-6b7c-4d8e-9f01-123456789abc\",\n          \"name\": \"The Home Depot\"\n        },\n        \"expense_category\": {\n          \"uuid\": \"3e4f5a6b-7c8d-4e9f-8012-23456789abcd\",\n          \"name\": \"Roofing\"\n        }\n      }\n    ]\n  }\n}\n```\n\n## Example: Per Expense Account Totals\n\nUse the [Expense Accounts List API](/operations/v1.workspace.expense-accounts.list) to find the UUID of the Account you want, then provide the UUID with filter `expense_account_uuids[]`.\n\nThen read the response field `data.totals` to find the total.\n\n```text\nGET /api/v1/project/{projectV1}/expense-line-items/list?expense_account_uuids[]=1c2d3e4f-5a6b-4c7d-8e9f-0123456789ab\n```\n\nExample response body excerpt:\n\n```json\n{\n  \"data\": {\n    \"totals\": {\n      \"amount\": 475.25,\n      \"tax\": 40.14,\n      \"total\": 515.39\n    },\n    \"expenses\": [\n      {\n        \"uuid\": \"9d0e1f23-4567-489a-bcde-f0123456789a\",\n        \"created_at\": \"2026-06-19T15:30:00.000000Z\",\n        \"updated_at\": \"2026-06-19T15:30:00.000000Z\",\n        \"transaction_uuid\": \"8c9d0e1f-2345-4567-89ab-cdef01234567\",\n        \"date\": \"2026-06-19\",\n        \"invoice_number\": \"HD-4213\",\n        \"name\": \"Architectural roof shingles\",\n        \"class\": \"material\",\n        \"amount\": 475.25,\n        \"tax\": 40.14,\n        \"total\": 515.39,\n        \"expense_account\": {\n          \"uuid\": \"1c2d3e4f-5a6b-4c7d-8e9f-0123456789ab\",\n          \"name\": \"Visa 4213\"\n        },\n        \"company\": {\n          \"uuid\": \"2d3e4f5a-6b7c-4d8e-9f01-123456789abc\",\n          \"name\": \"The Home Depot\"\n        },\n        \"expense_category\": {\n          \"uuid\": \"3e4f5a6b-7c8d-4e9f-8012-23456789abcd\",\n          \"name\": \"Roofing\"\n        }\n      }\n    ]\n  }\n}\n```\n\n## Example: Expenses missing certain data\n\nThe API supports flags for returning Expenses without certain data:\n\n* Company: `has_company=false`\n* Expense Account: `has_expense_account=false`\n* Expense Category: `has_expense_category=false`\n* Class: `has_class=false`\n\nFor example, use `has_expense_account=false` to find Expenses without an Expense Account set:\n\n```text\nGET /api/v1/project/{projectV1}/expense-line-items/list?has_expense_account=false\n```\n\nExample response body excerpt:\n\n```json\n{\n  \"data\": {\n    \"totals\": {\n      \"amount\": 125.75,\n      \"tax\": 10.56,\n      \"total\": 136.31\n    },\n    \"expenses\": [\n      {\n        \"uuid\": \"0e1f2345-6789-4abc-9def-0123456789ab\",\n        \"created_at\": \"2025-12-31T15:35:00.000000Z\",\n        \"updated_at\": \"2025-12-31T15:35:00.000000Z\",\n        \"transaction_uuid\": \"8c9d0e1f-2345-4567-89ab-cdef01234567\",\n        \"date\": \"2025-12-31\",\n        \"invoice_number\": null,\n        \"name\": \"Unassigned roofing receipt\",\n        \"class\": \"other\",\n        \"amount\": 125.75,\n        \"tax\": 10.56,\n        \"total\": 136.31,\n        \"expense_account\": null,\n        \"company\": null,\n        \"expense_category\": null\n      }\n    ]\n  }\n}\n```"
      summary: List
      tags:
      - 'Project Expenses: Line Items'
      parameters:
      - name: per_page
        in: query
        description: Number of records to return at a time.
        schema:
          type: integer
          default: 20
          minimum: 1
          maximum: 100
      - name: date
        in: query
        description: Expense date in `YYYY-MM-DD` format for exact matching. Supports date ranges via by using operators like `date[gt]` (greater than), `date[gte]` (greater than or equal to), `date[lt]` (less than), and `date[lte]` (less than or equal to).
        schema:
          type: string
      - name: company_uuids[]
        in: query
        description: Company UUID assigned to Expenses. Pass repeated values like `company_uuids[]=uuid-a&company_uuids[]=uuid-b`.
        schema:
          type: array
          items:
            type: string
      - name: expense_account_uuids[]
        in: query
        description: Expense Account UUID assigned to Expenses. Pass repeated values like `expense_account_uuids[]=uuid-a&expense_account_uuids[]=uuid-b`.
        schema:
          type: array
          items:
            type: string
      - name: expense_category_uuids[]
        in: query
        description: Expense Category UUID assigned to Expenses. Pass repeated values like `expense_category_uuids[]=uuid-a&expense_category_uuids[]=uuid-b`.
        schema:
          type: array
          items:
            type: string
      - name: classes[]
        in: query
        description: 'Expense Class. Allowed values: `labor`, `material`, `labor-and-material`, `other`.'
        schema:
          type: array
          items:
            type: string
      - name: has_company
        in: query
        description: Whether to return only Expenses with or without an assigned Company.
        schema:
          type: boolean
      - name: has_expense_account
        in: query
        description: Whether to return only Expenses with or without an assigned Expense Account.
        schema:
          type: boolean
      - name: has_expense_category
        in: query
        description: Whether to return only Expenses with or without an assigned Expense Category.
        schema:
          type: boolean
      - name: has_class
        in: query
        description: Whether to return only Expenses with or without an assigned Class.
        schema:
          type: boolean
      - name: cursor
        in: query
        schema:
          type: string
      - name: projectV1
        in: path
        required: true
        description: Project UUID
        schema:
          type: string
          format: uuid
      - name: date[gt]
        in: query
        description: 'Return Expense Line Items after this date, excluding the given date. Format: `YYYY-MM-DD`.'
        schema:
          type: string
          format: YYYY-MM-DD
      - name: date[gte]
        in: query
        description: 'Return Expense Line Items on or after this date. Format: `YYYY-MM-DD`.'
        schema:
          type: string
          format: YYYY-MM-DD
      - name: date[lt]
        in: query
        description: 'Return Expense Line Items before this date, excluding the given date. Format: `YYYY-MM-DD`.'
        schema:
          type: string
          format: YYYY-MM-DD
      - name: date[lte]
        in: query
        description: 'Return Expense Line Items on or before this date. Format: `YYYY-MM-DD`.'
        schema:
          type: string
          format: YYYY-MM-DD
      responses:
        '200':
          description: Paginated set of `Expense Line Item`
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/Expense_Line_Item_List'
                  links:
                    type: object
                    properties:
                      first:
                        type:
                        - string
                        - 'null'
                      last:
                        type:
                        - string
                        - 'null'
                      prev:
                        type:
                        - string
                        - 'null'
                      next:
                        type:
                        - string
                        - 'null'
                    required:
                    - first
                    - last
                    - prev
                    - next
                  meta:
                    type: object
                    properties:
                      path:
                        type:
                        - string
                        - 'null'
                        description: Base path for paginator generated URLs.
                      per_page:
                        type: integer
                        description: Number of items shown per page.
                        minimum: 0
                      next_cursor:
                        type:
                        - string
                        - 'null'
                        description: The "cursor" that points to the next set of items.
                      prev_cursor:
                        type:
                        - string
                        - 'null'
                        description: The "cursor" that points to the previous set of items.
                      total_count:
                        type: integer
                        description: Number of records matching the request filters before pagination.
                    required:
                    - path
                    - per_page
                    - next_cursor
                    - prev_cursor
                    - total_count
                required:
                - data
                - links
                - meta
        '401':
          $ref: '#/components/responses/AuthenticationException'
        '422':
          $ref: '#/components/responses/ValidationException'
        '403':
          description: When the authenticated User Account is forbidden from accessing the content or software features
          content:
            application/json:
              schema:
                type: object
                properties:
                  message:
                    type: string
                    description: Human-readable description of why access was not allowed
                  reason:
                    type:
                    - string
                    - 'null'
                    description: 'Machine-readable code for why access was not allowed. Possible values:

                      * `UNKNOWN` - Access Forbidden

                      * `UNSUPPORTED_CLIENT` - Unsupported client.

                      * `SUBSCRIPTION_MISSING` - A Subscription is required. Visit the application website to manage the Subscription.

                      * `SUBSCRIPTION_PAYMENT_DUE` - A paid Subscription is required. Visit the application website to manage the Subscription.

                      * `SUBSCRIPTION_PLAN_UNSUPPORTED_FEATURE` - The Subscription Plan does not support using this Software Feature.

                      * `FEATURE_ACCESS_DENIED` - Your account within this Workspace is not allowed to use this Software Feature. Contact the Workspace Owner to request access.

                      * `PROJECT_ACCESS_DENIED` - Your account is not allowed to access this Project. Contact the Workspace Owner to request access.

                      * `PROJECT_ARCHIVED` - This Project is Archived and cannot be accessed. You must restore this Project to Active Status to use it.

                      * `WORKSPACE_ACCESS_DENIED` - You do not have an account within this Workspace.

                      * `WORKSPACE_SELECTION_MISSING` - You must select a Workspace before making this request.

                      '
                    enum:
                    - UNKNOWN
                    - UNSUPPORTED_CLIENT
                    - SUBSCRIPTION_MISSING
                    - SUBSCRIPTION_PAYMENT_DUE
                    - SUBSCRIPTION_PLAN_UNSUPPORTED_FEATURE
                    - FEATURE_ACCESS_DENIED
                    - PROJECT_ACCESS_DENIED
                    - PROJECT_ARCHIVED
                    - WORKSPACE_ACCESS_DENIED
                    - WORKSPACE_SELECTION_MISSING
                    - null
  /project/{projectV1}/expense-line-items/{expenseUuid}:
    get:
      operationId: v1.project.expense-line-items.show
      description: Retrieve a single Expense line item.
      summary: Show
      tags:
      - 'Project Expenses: Line Items'
      parameters:
      - name: projectV1
        in: path
        required: true
        description: Project UUID
        schema:
          type: string
          format: uuid
      - name: expenseUuid
        in: path
        required: true
        description: Expense UUID
        schema:
          type: string
          format: uuid
      responses:
        '200':
          description: '`Expense Line Item`'
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/Expense_Line_Item'
                required:
                - data
        '401':
          $ref: '#/components/responses/AuthenticationException'
        '403':
          description: When the authenticated User Account is forbidden from accessing the content or software features
          content:
            application/json:
              schema:
                type: object
                properties:
                  message:
                    type: string
                    description: Human-readable description of why access was not allowed
                  reason:
                    type:
                    - string
                    - 'null'
                    description: 'Machine-readable code for why access was not allowed. Possible values:

                      * `UNKNOWN` - Access Forbidden

                      * `UNSUPPORTED_CLIENT` - Unsupported client.

                      * `SUBSCRIPTION_MISSING` - A Subscription is required. Visit the application website to manage the Subscription.

                      * `SUBSCRIPTION_PAYMENT_DUE` - A paid Subscription is required. Visit the application website to manage the Subscription.

                      * `SUBSCRIPTION_PLAN_UNSUPPORTED_FEATURE` - The Subscription Plan does not support using this Software Feature.

                      * `FEATURE_ACCESS_DENIED` - Your account within this Workspace is not allowed to use this Software Feature. Contact the Workspace Owner to request access.

                      * `PROJECT_ACCESS_DENIED` - Your account is not allowed to access this Project. Contact the Workspace Owner to request access.

                      * `PROJECT_ARCHIVED` - This Project is Archived and cannot be accessed. You must restore this Project to Active Status to use it.

                      * `WORKSPACE_ACCESS_DENIED` - You do not have an account within this Workspace.

                      * `WORKSPACE_SELECTION_MISSING` - You must select a Workspace before making this request.

                      '
                    enum:
                    - UNKNOWN
                    - UNSUPPORTED_CLIENT
                    - SUBSCRIPTION_MISSING
                    - SUBSCRIPTION_PAYMENT_DUE
                    - SUBSCRIPTION_PLAN_UNSUPPORTED_FEATURE
                    - FEATURE_ACCESS_DENIED
                    - PROJECT_ACCESS_DENIED
                    - PROJECT_ARCHIVED
                    - WORKSPACE_ACCESS_DENIED
                    - WORKSPACE_SELECTION_MISSING
                    - null
    patch:
      operationId: v1.project.expense-line-items.update
      description: Update a single Expense line item and return the parent Expense Transaction.
      summary: Update
      tags:
      - 'Project Expenses: Line Items'
      parameters:
      - name: projectV1
        in: path
        required: true
        description: Project UUID
        schema:
          type: string
          format: uuid
      - name: expenseUuid
        in: path
        required: true
        description: Expense UUID
        schema:
          type: string
          format: uuid
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Update_Expense_Line_Item_Request'
      responses:
        '200':
          description: '`Expense Transaction`'
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/Expense_Transaction'
                required:
                - data
        '401':
          $ref: '#/components/responses/AuthenticationException'
        '422':
          $ref: '#/components/responses/ValidationException'
        '403':
          description: When the authenticated User Account is forbidden from accessing the content or software features
          content:
            application/json:
              schema:
                type: object
                properties:
                  message:
                    type: string
                    description: Human-readable description of why access was not allowed
                  reason:
                    type:
                    - string
                    - 'null'
                    description: 'Machine-readable code for why access was not allowed. Possible values:

                      * `UNKNOWN` - Access Forbidden

                      * `UNSUPPORTED_CLIENT` - Unsupported client.

                      * `SUBSCRIPTION_MISSING` - A Subscription is required. Visit the application website to manage the Subscription.

                      * `SUBSCRIPTION_PAYMENT_DUE` - A paid Subscription is required. Visit the application website to manage the Subscription.

                      * `SUBSCRIPTION_PLAN_UNSUPPORTED_FEATURE` - The Subscription Plan does not support using this Software Feature.

                      * `FEATURE_ACCESS_DENIED` - Your account within this Workspace is not allowed to use this Software Feature. Contact the Workspace Owner to request access.

                      * `PROJECT_ACCESS_DENIED` - Your account is not allowed to access this Project. Contact the Workspace Owner to request access.

                      * `PROJECT_ARCHIVED` - This Project is Archived and cannot be accessed. You must restore this Project to Active Status to use it.

                      * `WORKSPACE_ACCESS_DENIED` - You do not have an account within this Workspace.

                      * `WORKSPACE_SELECTION_MISSING` - You must select a Workspace before making this request.

                      '
                    enum:
                    - UNKNOWN
                    - UNSUPPORTED_CLIENT
                    - SUBSCRIPTION_MISSING
                    - SUBSCRIPTION_PAYMENT_DUE
                    - SUBSCRIPTION_PLAN_UNSUPPORTED_FEATURE
                    - FEATURE_ACCESS_DENIED
                    - PROJECT_ACCESS_DENIED
                    - PROJECT_ARCHIVED
                    - WORKSPACE_ACCESS_DENIED
                    - WORKSPACE_SELECTION_MISSING
                    - null
    delete:
      operationId: v1.project.expense-line-items.delete
      description: 'Delete a single Expense line item and return the parent Expense Transaction.

        If the deleted Expense was the Expense Transaction''s final line item and the

        Expense Transaction has no Receipt, the Expense Transaction is also deleted and a

        tombstone response is returned.'
      summary: Delete
      tags:
      - 'Project Expenses: Line Items'
      parameters:
      - name: projectV1
        in: path
        required: true
        description: Project UUID
        schema:
          type: string
          format: uuid
      - name: expenseUuid
        in: path
        required: true
        description: Expense UUID
        schema:
          type: string
          format: uuid
      responses:
        '200':
          description: '`Expense Transaction`


            `Expense Line Item Delete Tombstone`'
          content:
            application/json:
              schema:
                anyOf:
                - type: object
                  properties:
                    data:
                      $ref: '#/components/schemas/Expense_Transaction'
                  required:
                  - data
                - type: object
                  properties:
                    data:
                      $ref: '#/components/schemas/Expense_Line_Item_Delete_Tombstone'
                  required:
                  - data
        '401':
          $ref: '#/components/responses/AuthenticationException'
        '403':
          description: When the authenticated User Account is forbidden from accessing the content or software features
          content:
            application/json:
              schema:
                type: object
                properties:
                  message:
                    type: string
                    description: Human-readable description of why access was not allowed
                  reason:
                    type:
                    - string
                    - 'null'
                    description: 'Machine-readable code for why access was not allowed. Possible values:

                      * `UNKNOWN` - Access Forbidden

                      * `UNSUPPORTED_CLIENT` - Unsupported client.

                      * `SUBSCRIPTION_MISSING` - A Subscription is required. Visit the application website to manage the Subscription.

                      * `SUBSCRIPTION_PAYMENT_DUE` - A paid Subscription is required. Visit the application website to manage the Subscription.

                      * `SUBSCRIPTION_PLAN_UNSUPPORTED_FEATURE` - The Subscription Plan does not support using this Software Feature.

                      * `FEATURE_ACCESS_DENIED` - Your account within this Workspace is not allowed to use this Software Feature. Contact the Workspace Owner to request access.

                      * `PROJECT_ACCESS_DENIED` - Your account is not allowed to access this Project. Contact the Workspace Owner to request access.

                      * `PROJECT_ARCHIVED` - This Project is Archived and cannot be accessed. You must restore this Project to Active Status to use it.

                      * `WORKSPACE_ACCESS_DENIED` - You do not have an account within this Workspace.

                      * `WORKSPACE_SELECTION_MISSING` - You must select a Workspace before making this request.

                      '
                    enum:
                    - UNKNOWN
                    - UNSUPPORTED_CLIENT
                    - SUBSCRIPTION_MISSING
                    - SUBSCRIPTION_PAYMENT_DUE
                    - SUBSCRIPTION_PLAN_UNSUPPORTED_FEATURE
                    - FEATURE_ACCESS_DENIED
                    - PROJECT_ACCESS_DENIED
                    - PROJECT_ARCHIVED
                    - WORKSPACE_ACCESS_DENIED
                    - WORKSPACE_SELECTION_MISSING
                    - null
components:
  responses:
    ValidationException:
      description: Validation error
      content:
        application/json:
          schema:
            type: object
            properties:
              message:
                type: string
                description: Errors overview.
              errors:
                type: object
                description: A detailed description of each field that failed validation.
                additionalProperties:
                  type: array
                  items:
                    type: string
            required:
            - message
            - errors
    AuthenticationException:
      description: Unauthenticated
      content:
        application/json:
          schema:
            type: object
            properties:
              message:
                type: string
                description: Error overview.
            required:
            - message
  schemas:
    Expense_Line_Item_Delete_Tombstone:
      type: object
      properties:
        deleted_transaction_uuid:
          type: string
          description: UUID of the Expense Transaction deleted because its final Expense was deleted.
        deleted_expense_uuid:
          type: string
          description: UUID of the final Expense deleted from the Transaction.
        message:
          type: string
          description: Human-readable explanation for why the parent Expense Transaction was deleted.
      required:
      - deleted_transaction_uuid
      - deleted_expense_uuid
      - message
      title: Expense Line Item Delete Tombstone
    Update_Expense_Line_Item_Request:
      type: object
      properties:
        total_tax:
          type:
          - number
          - 'null'
          description: Total tax for the parent Transaction. When omitted, current Transaction tax is preserved and redistributed.
        date:
          type:
          - string
          - 'null'
          description: Date this Expense was incurred in `YYYY-MM-DD` format.
        invoice_numb

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# Full source: https://raw.githubusercontent.com/api-evangelist/fund-that-flip/refs/heads/main/openapi/fund-that-flip-project-expenses-line-items-api-openapi.yml