---
title: "Changes to Create a new Line Item"
method: POST
path: "/invoices/{invoice}/line-items"
---

# Changes to Create a new Line Item

`POST /invoices/{invoice}/line-items`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 939 revisions.

- **2026-06-17** `d01512162768`: 2 breaking, 1 warning, 3 info
- **2026-06-16** `12ab2101be2a`: 2 breaking, 1 warning, 1 info
- **2026-06-16** `c5cfe471a2b3`: 2 breaking, 1 warning, 3 info

## Changes

- **2026-06-17** `d01512162768`: 2 breaking, 1 warning, 3 info
  - the `servicePeriod/endDate` response's property format changed from `date` to no format for status `201`
  - the `servicePeriod/startDate` response's property format changed from `date` to no format for status `201`
  - deleted the `header` request parameter `Sequence-Version`
  - added the new optional `header` request parameter `sequence-version`
  - the `servicePeriod/endDate` request property format was generalized from `date` to no format
  - the `servicePeriod/startDate` request property format was generalized from `date` to no format
- **2026-06-16** `12ab2101be2a`: 2 breaking, 1 warning, 1 info
  - the `servicePeriod/endDate` request property format changed from no format to `date`
  - the `servicePeriod/startDate` request property format changed from no format to `date`
  - deleted the `header` request parameter `sequence-version`
  - added the new optional `header` request parameter `Sequence-Version`
- **2026-06-16** `c5cfe471a2b3`: 2 breaking, 1 warning, 3 info
  - the `servicePeriod/endDate` response's property format changed from `date` to no format for status `201`
  - the `servicePeriod/startDate` response's property format changed from `date` to no format for status `201`
  - deleted the `header` request parameter `Sequence-Version`
  - added the new optional `header` request parameter `sequence-version`
  - the `servicePeriod/endDate` request property format was generalized from `date` to no format
  - the `servicePeriod/startDate` request property format was generalized from `date` to no format

---

[Operation](https://skmtc.dev/sequencehq/apis/sequence/docs/invoices/:invoice/line-items/post.md) - [API](https://skmtc.dev/sequencehq/apis/sequence.md) - [Page](https://skmtc.dev/sequencehq/apis/sequence/changes/invoices/:invoice/line-items/post)