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  • REST Documentation
  • Introduction
  • Quickstart
  • Authentication
  • Pagination
  • Filtering the results
  • OpenAPI specification
  • Changelog
  • Projects & Time Tracking
  • Projects
    • GET List projects
    • GET Get a project
    • POST Create a project
    • PATCH Update a project
    • DELETE Delete a project
    • GET List activities assigned to a project
    • GET List employees assigned to a project
    • GET List a project's invoice positions across all of its invoices
    • GET List locations assigned to a project
    • GET List price tables of a project
    • GET Get a price table of a project
    • GET List tasks of a project
    • POST Create a task within a project
    • GET Get a task of a project
    • PATCH Update a task of a project
    • DELETE Delete a task of a project
    • GET List employees assigned to a task
    • GET Get an employee assignment of a task
  • Attendances
    • GET List time-tracking bookings
    • GET Get a single time-tracking booking
    • POST Create a time-tracking booking
    • PATCH Update a time-tracking booking
    • DELETE Delete a time-tracking booking
  • Planning
    • GET List planning entries
    • GET List planning entries (deprecated alias)
  • Tickets
    • GET List tickets
    • GET Get a ticket
    • POST Create a ticket
    • PATCH Update a ticket
    • DELETE Delete a ticket
    • POST Upload a ticket attachment
    • GET List a ticket's subtasks
    • POST Create a ticket subtask
    • GET Get a ticket subtask
    • PATCH Update a ticket subtask
    • DELETE Delete a ticket subtask
  • People
  • Employees
    • GET List employees
    • GET Get a single employee
    • POST Create an employee
    • PATCH Update an employee
    • GET List an employee's absences
    • GET List an employee's employment periods
    • POST Create an employment period
    • GET Get a single employment period
    • PATCH Update an employment period
    • GET List an employee's internal rates
    • GET Get a single internal rate
    • GET List an employee's meals
    • GET Get a single meal
    • GET List the projects an employee is assigned to
    • GET List an employee's regular working times
    • POST Create a regular working time
    • GET Get a single regular working time
    • PATCH Update a regular working time
    • GET List an employee's transponders
  • Departments
    • GET List departments
    • GET Get a single department
    • GET List a department's child departments
    • GET List a department's employees
  • Absences
    • GET List absences
    • GET Get a single absence
    • POST Create an absence
  • Absence Reasons
    • GET List the configured absence reasons
    • GET Retrieve a single absence reason
  • Workhour Balances and Vacation Entitlements
    • GET List work-hour balances
    • GET Get a single work-hour balance
  • Finance
  • Customers
    • GET List customers
    • GET Get a customer
    • POST Create a customer
    • PATCH Update a customer
    • DELETE Delete a customer
    • GET List a customer's contacts
    • POST Create a customer contact
    • GET Get a customer contact
    • PATCH Update a customer contact
    • DELETE Delete a customer contact
    • GET List price tables of a customer
    • GET Get a price table of a customer
  • Offers
    • GET List offers
    • GET Get an offer
    • GET List an offer's items
    • GET Get an offer item
  • Invoices
    • GET List invoices, optionally filtered and paginated
    • GET Get a single invoice by its invoice number
    • GET List the files attached to an invoice
    • GET List invoice positions
  • Invoice Items
    • GET List invoice positions
    • GET Get a single invoice position by its id
  • Articles
    • GET List articles from the article catalogue, optionally filtered and paginated
    • GET Get a single article by its id
  • Receipts
    • GET List receipts, optionally filtered and paginated
    • GET Get a single receipt by its id
    • POST Book a new receipt
    • PATCH Update an existing receipt
    • DELETE Delete a receipt
    • GET List receipt amount lines across all receipts, optionally filtered and paginated
    • GET List the amount lines of a single receipt
    • GET Get a single amount line of a receipt
    • GET Get the file attached to a receipt, if one has been uploaded
    • PUT Upload or replace the file attached to a receipt
    • DELETE Remove the file attached to a receipt
  • Master Data & Configuration
  • Activities
    • GET List activities
    • GET Get an activity
  • Categories
    • GET List the categories available for tagging records
    • GET Retrieve a single category
  • Price Groups
    • GET List price groups, optionally filtered and paginated
    • GET Get a single price group by its id
  • Locations
    • GET List locations
    • GET Get a location
  • Location Lists
    • GET List location lists
    • GET Get a location list
    • GET List locations of a location list
  • Dynamic Attributes
    • GET List the dynamic attribute definitions
    • GET Retrieve a single dynamic attribute definition
  • Folders
    • GET List document folders
    • GET Retrieve a single document folder
    • GET List the documents stored in a folder
    • GET Retrieve a single document, including its file contents
  • Devices
    • GET List time-recording devices
    • GET Get a single time-recording device
  • More links
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On This Page

  • Endpoints
REST DocumentationInvoice Items

Invoice Items

You can use this endpoint get a paginated list of all invoices.

Endpoints

GET List invoice positionsGET Get a single invoice position by its id
GET List invoice positionsGET List invoice positions

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