The Project Expenses: Line Items API from Fund That Flip — 2 operation(s) for project expenses: line items.
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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?'
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.
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:
schemas:
Expense_Transaction:
type: object
properties:
uuid:
type: string
description: Public identifier.
created_at:
type:
- string
- 'null'
description: 'Timestamp when Expense Transaction was created in ISO 8601 Zulu format with microseconds.
Example: `2026-06-07T16:20:00.123456Z`'
updated_at:
type:
- string
- 'null'
description: 'Timestamp when Expense Transaction was last changed in ISO 8601 Zulu format with microseconds.
Example: `2026-06-07T16:20:00.123456Z`'
sequence_number:
type:
- integer
- 'null'
description: Project-scoped sequence number shown in the web app as `T#`.
receipt_uuid:
type:
- string
- 'null'
description: Receipt UUID associated with this Expense Transaction.
subtotal:
type: number
description: Sum of Expense amounts before tax, in dollars. Such as `1234.56`
total_tax:
type: number
description: Sum of tax values from all Expenses, in dollars. Such as `1234.56`
grand_total:
type: number
description: Sum of Expense totals including tax, in dollars. Such as `1234.56`
expenses:
type: array
description: Expense line items belonging to this Expense Transaction.
items:
$ref: '#/components/schemas/Expense_Line_Item'
required:
- uuid
- created_at
- updated_at
- sequence_number
- receipt_uuid
- subtotal
- total_tax
- grand_total
- expenses
title: Expense Transaction
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
Expense_Line_Item:
type: object
properties:
uuid:
type: string
description: Public identifier.
created_at:
type:
- string
- 'null'
description: 'Timestamp when Expense was created in ISO 8601 Zulu format with microseconds.
Example: `2026-06-07T16:20:00.123456Z`'
updated_at:
type:
- string
- 'null'
description: 'Timestamp when Expense was last changed in ISO 8601 Zulu format with microseconds.
Example: `2026-06-07T16:20:00.123456Z`'
transaction_uuid:
type:
- string
- 'null'
description: Parent Expense Transaction public identifier.
date:
type:
- string
- 'null'
description: Date this Expense was incurred in `YYYY-MM-DD` format.
invoice_number:
type:
- string
- 'null'
description: Invoice number entered for this Expense.
name:
type: string
description: Description of the purchased item or service.
class:
type:
- string
- 'null'
description: 'Expense classification. One of: `labor`, `material`, `labor-and-material`, `other`.'
amount:
type:
- number
- 'null'
description: Expense amount BEFORE tax, in dollars. Such as `1234.56`
tax:
type:
- number
- 'null'
description: Tax allocated to this Expense, in dollars. Such as `1234.56`. This field is read-only and can only be written via the parent Transaction's `tax_total` field.
total:
type:
- number
- 'null'
description: Calculated automatically as amount plus tax, in dollars. Such as `1234.56`. This field is read-only and automatically calculated.
expense_account:
type:
- object
- 'null'
description: Expense Account assigned to this Expense.
properties:
uuid:
type: string
name:
type: string
required:
- uuid
- name
company:
type:
- object
- 'null'
description: Company/vendor assigned to this Expense.
properties:
uuid:
type: string
name:
type: string
required:
- uuid
- name
expense_category:
type:
- object
- 'null'
description: Expense Category assigned to this Expense.
properties:
uuid:
type: string
name:
type: string
required:
- uuid
- name
required:
- uuid
- created_at
- updated_at
- transaction_uuid
- date
- invoice_number
- name
- class
- amount
- tax
- total
- expense_account
- company
- expense_category
title: Expense Line Item
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_number:
type:
- string
- 'null'
description: Invoice number entered for this Expense.
expense_account_uuid:
type:
- string
- 'null'
description: Expense Account UUID assigned to this Expense.
company_uuid:
type:
- string
- 'null'
description: Company/vendor UUID assigned to this Expense.
expense_category_uuid:
type:
- string
- 'null'
description: Expense Category UUID assigned to this Expense.
name:
type: string
description: Description of the purchased item or service. Omit the field to leave the name unchanged, but when present must contain a name.
class:
type:
- string
- 'null'
description: Expense classification.
amount:
type:
- number
- 'null'
description: Expense amount BEFORE tax, in dollars. Such as `1234.56`
title: Update Expense Line Item Request
Expense_Line_Item_List:
type: object
properties:
totals:
type: object
description: Sums across all Expense Line Items matching the request filters, before pagination.
properties:
amount:
type: number
tax:
type: number
total:
type: number
required:
- amount
- tax
- total
expenses:
type: array
description: Current page of Expense Line Items.
items:
$ref: '#/components/schemas/Expense_Line_Item'
required:
- totals
- expenses
title: Expense Line Item List
responses:
AuthenticationException:
description: Unauthenticated
content:
application/json:
schema:
type: object
properties:
message:
type: string
description: Error overview.
required:
- message
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
securitySchemes:
PublicApiBearerAuth:
type: http
description: 'Use the Public API key provided by FlipperForce as a Bearer token. Send the key exactly as provided in the Authorization header: `Authorization: Bearer <api-key>`.'
scheme: bearer
bearerFormat: FlipperForce Public API key