---
title: "Upsert (add or replace) a Lexeme"
method: PUT
path: "/lexemes"
tags: ["Lexeme"]
---

# Upsert (add or replace) a Lexeme

`PUT /lexemes`

Upsert (add or replace) a Lexeme. A `languageID` must be provided either as a query parameter, or as an attribute on the Lexeme body.

## Query parameters

- `languageID` string

## Headers

- `ifMatch` string

## Response `201`

201: Upsert successful.

## Changes

- **2017-09-15** `08873dab36b5` — 1 info
  - endpoint added
- **2017-04-17** `59ad0cf79327` — 1 breaking
  - api path removed without deprecation
- **2016-12-01** `13f179dcd92d` — 3 warning
  - the optional response header `Last-Modified` removed for the status `201`
  - deleted the `header` request parameter `ifMatch`
  - deleted the `query` request parameter `languageID`

[Change history](https://skmtc.dev/digitallinguistics/apis/dlx/changes/lexemes/put.md)

---

[API](https://skmtc.dev/digitallinguistics/apis/dlx.md) · [All operations](https://skmtc.dev/digitallinguistics/apis/dlx/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/digitallinguistics/dlx/revisions/16a3d9472e1b/schema)