Merge Link Localization

Last updated: April 9, 2026

Our new Localization feature allows you to specify a language for the Merge Link user interface. This means that your end users can now view Merge Link in their native language instead of English.

Setting the Merge Link display language

Simply request a link token as documented in our POST link-token endpoint, and add language as an additional body parameter with a value of either de (for German) or en (for English) in your API request depending on which language you are looking to add. For example:

POST https://api.merge.dev/api/integrations/create-link-token

{
"end_user_email_address": "[email protected]",
"end_user_organization_name": "Merge",
"end_user_origin_id": "merge_12345",
"categories": [
"hris"
],
"language": "de"
}

No further code changes are required, Merge Link will now be shown in the selected language:

FAQ

Who can use Localization?

Localization can be used by customers on our Enterprise plan.

Which languages are supported?

Supported for HRIS only:

  • zh_cn – Chinese (Simplified/China)

  • zh_tw – Chinese (Traditional/Taiwan)

  • da – Danish

  • nl – Dutch

  • en – English

  • en_gb – English (United Kingdom)

  • fi – Finnish

  • fr – French

  • de – German

  • id – Indonesian

  • it – Italian

  • jp – Japanese

  • ko – Korean

  • ms – Malay

  • pt_br – Portuguese (Brazil)

  • pt_pt – Portugues (Portugal)

  • ru – Russian

  • es_latam – Spanish (Latin America)

  • es_es – Spanish (Spain)

  • sv – Swedish

  • th – Thai

Which terms are not localized?

We do not localize model and field names.