yLnk Validator

Public information for destination URL validation requests initiated by yLnk users.

Purpose

yLnk performs destination URL preflight checks to verify that a submitted URL is reachable before creating short links, QR links, or campaign links. These checks improve reliability and reduce invalid link submissions.

Request Behavior

  • Method: HEAD first, then GET fallback when needed.
  • Redirect handling: multi-hop redirect checks with loop protection.
  • Timeout: short timeout window for quick validation.
  • Scope: URL reachability and response integrity checks only.

If Your Site Blocks Validation

If your infrastructure blocks validation traffic, users may see destination unreachable errors during link creation.

For enterprise allowlisting support, contact [email protected].

Last updated: April 27, 2026