---
schema_version: "1"
id: 996e6400d3a280b5d14322bef0d2e26442286594f68b3958530186d670c962af
title: Replace Instanced URLs in API Traffic
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/release-notes/260-0-0/rn_security_domains_instanced_api.md
canonical_url: https://help.salesforce.com/s/articleView?id=release-notes.rn_security_domains_instanced_api.htm&release=260&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: feb15a1fb0008857c6268ca0cb48e7d6c014ea47780cac435655fc1923615e8d
description: To prevent disruption after infrastructure updates that change your instance name, replace instanced URLs in API traffic with your org’s My Domain login URL. Support for instanced URLs in API traffic ends in Winter ’27.
products:
  - Cross Cloud Packages Solutions
release: "260"
---
# Replace Instanced URLs in API Traffic

To prevent disruption after infrastructure updates that change your instance name, replace instanced URLs in API traffic with your org’s My Domain login URL. Support for instanced URLs in API traffic ends in Winter ’27.

**Where:** This change applies to Lightning Experience and Salesforce Classic in all editions except Database.com.

#### See Also

- [Update Instanced URLs in API Traffic (Release Update)](https://help.salesforce.com/s/articleView?id=release-notes.rn_update_instanced_urls_in_api_traffic.htm&release=260&type=5 "To prevent disruption when Salesforce ends support for API traffic that uses an incorrect instanced URL, make sure that API traffic to your org uses the org’s My Domain login URL. First available in Summer ’25, this release update was scheduled to be enforced in Spring ’26, but we postponed the enforcement to Winter ’27.")