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openapi: 3.2.0
info:
version: 1.0.0
title: Kantata OX API Documentation Expense Report Submissions API
description: Kantata OX's API provides access to the majority of Kantata OX's data model.
termsOfService: https://www.kantata.com/terms-of-use
contact:
name: Kantata OX Support
url: https://knowledge.kantata.com/hc/en-us
license:
name: COPYRIGHT © 2026 Kantata, Inc.
url: https://www.kantata.com/terms-of-use
x-logo:
url: https://theme.zdassets.com/theme_assets/56104/04e93064d309f75d054b8cee885d1ea51e9be8f7.png
backgroundColor: '#FFFFFF'
altText: Kantata OX API Documentation
href: https://developer.kantata.com
servers:
- url: https://api.mavenlink.com/api/v1
tags:
- name: Expense Report Submissions
description: 'Expense report submissions contain a set of expense line items. These expenses must be approved through
an expense report submission before they can be added to an invoice. All submission expenses must be in the
same workspace (project).'
paths:
/expense_report_submissions:
get:
summary: Fetching a list of Expense Report Submissions
description: 'Returns expense report submissions for the logged in user by default. When `all_on_account` filter is set
to true, the endpoint returns all expense report submissions on the account visible to the user.
This endpoint returns structured Expense Report Submission objects.
As with all Kantata OX API endpoints, the returned data will be referenced in sorted order in the `results` array
and will be indexed by ID in the `expense_report_submissions` top-level JSON key.
Please see our Response Format section for more information.'
operationId: Get Expense Report Submissions
tags:
- Expense Report Submissions
parameters:
- in: query
name: active
description: Returns only active submissions.
schema:
type: boolean
- in: query
name: all_on_account
required: false
description: Return expense report submissions on the account.
schema:
type: boolean
default: false
- in: query
name: created_after
description: Filter for records created after a specified datetime. The datetime must be in [ISO 8601](https://www.w3.org/TR/NOTE-datetime) format.
schema:
type: string
format: date-time
- in: query
name: created_before
description: Filter for records created before a specified datetime. The datetime must be in [ISO 8601](https://www.w3.org/TR/NOTE-datetime) format.
schema:
type: string
format: date-time
- in: query
name: external_reference_external_message
description: Filter the objects based on the external message of their associated external references. This is an exact match.
schema:
type: string
- in: query
name: external_reference_external_status
description: Filter by the status of the external object in the external system.
schema:
type: string
- in: query
name: external_reference_service_model
description: Filter by the type of the external object this external reference belongs to.
schema:
type: string
- in: query
name: external_reference_service_model_ref
description: Filter by the id of the external object this external reference belongs to.
schema:
type: integer
format: int32
- in: query
name: external_reference_service_model_refs
description: Filter for objects that correlate to the specified external object IDs. Provide a comma-separated list of up to 200 external IDs.
schema:
type: string
- in: query
name: external_reference_service_name
description: Filter by the name of the provider for integration.
schema:
type: string
- in: query
name: external_reference_status
description: Filter by the status of the integration, this can be successful or fail.
schema:
type: string
- in: query
name: has_external_references
description: Filter by whether or not the object has external references.
schema:
type: boolean
- in: query
name: include
description: 'Any of the below associations can be included in your request by providing the `include` param, e.g. `include=association1,association2`.
- `expenses` (Expense) - Include expense line items with the expense report submission.
- `external_references` (ExternalReference) - Includes references to external integrations for this object.
- `resolutions` (Resolution) - Include the resolutions (approvals, rejections, or cancelations).
- `user` (User) - Includes user who owns the line items on the submission.
- `workspace` (Workspace) - Includes workspace to which the submission belongs.'
schema:
type: string
- in: query
name: not_cancelled
description: Returns only submissions that are not cancelled.
schema:
type: boolean
- in: query
name: only
description: 'Allows you to request one or more resources directly by ID. Multiple IDs can be supplied
in a comma separated list, like `GET /api/v1/workspaces.json?only=5,6,7`.'
schema:
type: string
- in: query
name: order
description: 'Supply `order` with the name of a valid sort field for the endpoint and a direction.
Valid values: `amount:asc`, `amount:desc`, `created_at:asc`, `created_at:desc`, `date:asc`, `date:desc`, `status:asc`, `status:desc`, `title:asc`, `title:desc`, `workspace_title:asc`, and `workspace_title:desc`.'
schema:
type: string
default: created_at:desc
- in: query
name: page
schema:
type: integer
format: int32
default: 1
- in: query
name: per_page
schema:
type: integer
format: int32
default: 20
maximum: 200
- in: query
name: statuses
description: 'Returns submissions with the statuses specified. Multiple statuses can be supplied in a comma separated list.
Valid values: ‘new’, ‘cancelled’, ‘rejected’, and ‘approved’.'
schema:
type: string
- in: query
name: updated_after
description: Filter for records updated after a specified datetime. The datetime must be in [ISO 8601](https://www.w3.org/TR/NOTE-datetime) format.
schema:
type: string
format: date-time
- in: query
name: updated_before
description: Filter for records updated before a specified datetime. The datetime must be in [ISO 8601](https://www.w3.org/TR/NOTE-datetime) format.
schema:
type: string
format: date-time
- in: query
name: user_ids
description: Only includes submissions associated with the specified user ids.
schema:
type: string
- in: query
name: without_external_reference_service_name
description: Exclude by the existence of an external reference with the specified service name.
schema:
type: string
- in: query
name: workspace_id
description: Ordered by the submission's workspace id.
schema:
type: integer
format: int32
- in: query
name: workspace_ids
description: Only includes submissions associated with the specified workspace ids.
schema:
type: string
responses:
'200':
description: A list of Expense Report Submissions have been retrieved.
content:
application/json:
schema:
type: object
properties:
count:
type: integer
format: int32
meta:
type: object
properties:
count:
type: integer
format: int32
page_count:
type: integer
format: int32
page_number:
type: integer
format: int32
page_size:
type: integer
format: int32
results:
type: array
items:
type: object
properties:
key:
type: string
id:
type: string
expense_report_submissions:
type: object
additionalProperties:
$ref: '#/components/schemas/ExpenseReportSubmission'
external_references:
type: object
additionalProperties:
$ref: '#/components/schemas/ExternalReference'
users:
type: object
additionalProperties:
$ref: '#/components/schemas/User'
workspaces:
type: object
additionalProperties:
$ref: '#/components/schemas/Workspace'
expenses:
type: object
additionalProperties:
$ref: '#/components/schemas/Expense'
resolutions:
type: object
additionalProperties:
$ref: '#/components/schemas/Resolution'
'400':
description: Bad Request
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'401':
description: Unauthorized request
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'403':
description: Forbidden request
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'404':
description: Page Not Found
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'422':
description: Unprocessable Entity
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'503':
description: Service is unavailable
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
post:
summary: Creating a new Expense Report Submission
description: 'This endpoint returns structured Expense Report Submission objects.
As with all Kantata OX API endpoints, the returned data will be referenced in sorted order in the `results` array
and will be indexed by ID in the `expense_report_submissions` top-level JSON key.
Please see our Response Format section for more information.'
operationId: Create Expense Report Submission
tags:
- Expense Report Submissions
parameters:
- in: query
name: include
description: 'Any of the below associations can be included in your request by providing the `include` param, e.g. `include=association1,association2`.
- `expenses` (Expense) - Include expense line items with the expense report submission.
- `external_references` (ExternalReference) - Includes references to external integrations for this object.
- `resolutions` (Resolution) - Include the resolutions (approvals, rejections, or cancelations).
- `user` (User) - Includes user who owns the line items on the submission.
- `workspace` (Workspace) - Includes workspace to which the submission belongs.'
schema:
type: string
responses:
'200':
description: Expense Report Submission has been created.
content:
application/json:
schema:
type: object
properties:
count:
type: integer
format: int32
meta:
type: object
properties:
count:
type: integer
format: int32
page_count:
type: integer
format: int32
page_number:
type: integer
format: int32
page_size:
type: integer
format: int32
results:
type: array
items:
type: object
properties:
key:
type: string
id:
type: string
expense_report_submissions:
type: object
additionalProperties:
$ref: '#/components/schemas/ExpenseReportSubmission'
external_references:
type: object
additionalProperties:
$ref: '#/components/schemas/ExternalReference'
users:
type: object
additionalProperties:
$ref: '#/components/schemas/User'
workspaces:
type: object
additionalProperties:
$ref: '#/components/schemas/Workspace'
expenses:
type: object
additionalProperties:
$ref: '#/components/schemas/Expense'
resolutions:
type: object
additionalProperties:
$ref: '#/components/schemas/Resolution'
'400':
description: Bad Request
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'401':
description: Unauthorized request
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'403':
description: Forbidden request
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'404':
description: Page Not Found
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'422':
description: Unprocessable Entity
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'503':
description: Service is unavailable
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
requestBody:
content:
application/json:
schema:
type: object
properties:
expense_report_submission:
type: object
properties:
line_item_ids:
type: array
items:
type: integer
format: int32
description: An array of expense ids of the expenses that will be included in the Expense Report Submission.
user_id:
type: integer
format: int32
description: This can be included when the Expense Report Submission is being submitted on behalf of another user.
title:
type: string
description: The title of the Expense Report Submission.
workspace_id:
type: integer
format: int32
description: The id of the workspace that will own the Expense Report Submission and its expenses.
comment:
type: string
description: Additional notes on the Expense Report Submission.
external_reference:
type: object
description: 'Typically populated programmatically by a third party system via an integration, this is an optional
object that holds data from an external system. It connects objects in an external system with objects in
Kantata OX (for example, to connect a Jira issue to a Kantata OX Project).'
properties:
service_name:
type: string
description: The provider name of the integration. If you are adding multiple external references to the same object, the `service_name` must be unique.
service_model:
type: string
description: The object type of the external object this external reference belongs to.
service_model_ref:
type: string
description: The object ID of the external object this external reference belongs to.
status:
type: string
description: The status of the integration. Options are `successful`, `pending`, or `failed`.
external_message:
type: string
description: The message on the external object.
external_link:
type: string
description: The link to the external object.
external_status:
type: string
description: The status of the external object in the external system.
locked:
type: boolean
description: Whether the subject is locked.
required:
- service_name
- service_model
- service_model_ref
required:
- line_item_ids
- title
- workspace_id
required: true
/expense_report_submissions/{id}:
get:
summary: Fetching a single Expense Report Submission
description: 'This endpoint returns structured Expense Report Submission objects.
As with all Kantata OX API endpoints, the returned data will be referenced in sorted order in the `results` array
and will be indexed by ID in the `expense_report_submissions` top-level JSON key.
Please see our Response Format section for more information.'
operationId: Get Expense Report Submission
tags:
- Expense Report Submissions
parameters:
- in: path
name: id
required: true
description: The ID of the Model.
schema:
type: integer
- in: query
name: include
description: 'Any of the below associations can be included in your request by providing the `include` param, e.g. `include=association1,association2`.
- `expenses` (Expense) - Include expense line items with the expense report submission.
- `external_references` (ExternalReference) - Includes references to external integrations for this object.
- `resolutions` (Resolution) - Include the resolutions (approvals, rejections, or cancelations).
- `user` (User) - Includes user who owns the line items on the submission.
- `workspace` (Workspace) - Includes workspace to which the submission belongs.'
schema:
type: string
responses:
'200':
description: The Expense Report Submission has been retrieved.
content:
application/json:
schema:
type: object
properties:
count:
type: integer
format: int32
meta:
type: object
properties:
count:
type: integer
format: int32
page_count:
type: integer
format: int32
page_number:
type: integer
format: int32
page_size:
type: integer
format: int32
results:
type: array
items:
type: object
properties:
key:
type: string
id:
type: string
expense_report_submissions:
type: object
additionalProperties:
$ref: '#/components/schemas/ExpenseReportSubmission'
external_references:
type: object
additionalProperties:
$ref: '#/components/schemas/ExternalReference'
users:
type: object
additionalProperties:
$ref: '#/components/schemas/User'
workspaces:
type: object
additionalProperties:
$ref: '#/components/schemas/Workspace'
expenses:
type: object
additionalProperties:
$ref: '#/components/schemas/Expense'
resolutions:
type: object
additionalProperties:
$ref: '#/components/schemas/Resolution'
'400':
description: Bad Request
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'401':
description: Unauthorized request
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'403':
description: Forbidden request
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'404':
description: Page Not Found
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'422':
description: Unprocessable Entity
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'503':
description: Service is unavailable
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
/expense_report_submissions/{id}/approve:
put:
summary: Approve an Expense Report Submission
description: 'You can approve an Expense Report Submission by accessing the approve endpoint
This endpoint returns structured Expense Report Submission objects.
As with all Kantata OX API endpoints, the returned data will be referenced in sorted order in the `results` array
and will be indexed by ID in the `expense_report_submissions` top-level JSON key.
Please see our Response Format section for more information.'
operationId: Approve Expense Report Submission
tags:
- Expense Report Submissions
parameters:
- in: path
name: id
required: true
description: The ID of the Model.
schema:
type: integer
- in: query
name: include
description: 'Any of the below associations can be included in your request by providing the `include` param, e.g. `include=association1,association2`.
- `expenses` (Expense) - Include expense line items with the expense report submission.
- `external_references` (ExternalReference) - Includes references to external integrations for this object.
- `resolutions` (Resolution) - Include the resolutions (approvals, rejections, or cancelations).
- `user` (User) - Includes user who owns the line items on the submission.
- `workspace` (Workspace) - Includes workspace to which the submission belongs.'
schema:
type: string
responses:
'200':
description: Expense Report Submission has been updated.
content:
application/json:
schema:
type: object
properties:
count:
type: integer
format: int32
meta:
type: object
properties:
count:
type: integer
format: int32
page_count:
type: integer
format: int32
page_number:
type: integer
format: int32
page_size:
type: integer
format: int32
results:
type: array
items:
type: object
properties:
key:
type: string
id:
type: string
expense_report_submissions:
type: object
additionalProperties:
$ref: '#/components/schemas/ExpenseReportSubmission'
external_references:
type: object
additionalProperties:
$ref: '#/components/schemas/ExternalReference'
users:
type: object
additionalProperties:
$ref: '#/components/schemas/User'
workspaces:
type: object
additionalProperties:
$ref: '#/components/schemas/Workspace'
expenses:
type: object
additionalProperties:
$ref: '#/components/schemas/Expense'
resolutions:
type: object
additionalProperties:
$ref: '#/components/schemas/Resolution'
'400':
description: Bad Request
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'401':
description: Unauthorized request
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'403':
description: Forbidden request
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'404':
description: Page Not Found
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'422':
description: Unprocessable Entity
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
'503':
description: Service is unavailable
content:
application/json:
schema:
$ref: '#/components/schemas/Errors'
requestBody:
content:
application/json:
schema:
type: object
properties:
resolution:
type: object
properties:
description:
type: string
description: Any additional details about the resolution can be added in the description.
required: true
/expense_report_submissions/{id}/cancel:
put:
summary: Cancel an Expense Report Submission
description: 'You can cancel an Expense Report Submission by accessing the cancel endpoint
This endpoint returns structured Expense Report Submission objects.
As with all Kantata OX API endpoints, the returned data will be referenced in sorted order in the `results` array
and will be indexed by ID in the `expense_report_submissions` top-level JSON key.
Please see our Response Format section for more information.'
operationId: Cancel Expense Report Submission
tags:
- Expense Report Submissions
parameters:
- in: path
name: id
required: true
description: The ID of the Model.
schema:
type: integer
- in: query
name: include
description: 'Any of the below associations can be included in your request by providing the `include` param, e.g. `include=association1,association2`.
- `expenses` (Expense) - Include expense line items with the expense report submission.
- `external_references` (ExternalReference) - Includes references to external integrations for this object.
- `resolutions` (Resolution) - Include the resolutions (approvals, rejections, or cancelations).
- `user` (User) - Includes user who owns the line items on the submission.
- `workspace` (Workspace) - Includes workspace to which the submission belongs.'
schema:
type: string
responses:
'200':
description: Expense Report Submission has been updated.
content:
application/json:
schema:
type: object
properties:
count:
type: integer
format: int32
meta:
type: object
properties:
count:
type: integer
format: int32
page_count:
type: integer
format: int32
page_number:
type: integer
format: int32
page_size:
type: integer
format: int32
results:
type: array
items:
type: object
properties:
key:
type: string
id:
type: string
expense_report_submissions:
type: object
additionalProperties:
$ref: '#/components/schemas/ExpenseReportSubmission'
external_references:
type: object
additionalProperties:
$ref: '#/components/schemas/ExternalReference'
users:
type: object
additionalProperties:
$ref: '#/components/schemas/User'
workspaces:
type: object
additionalProperties:
$ref: '#/components/schemas/Workspace'
expenses:
type: object
additionalProperties:
$ref: '#/components/schemas/Expense'
resolutions:
type: object
# --- truncated at 32 KB (85 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/mavenlink/refs/heads/main/openapi/mavenlink-expense-report-submissions-api-openapi.yml