List dated API versions
Public discovery of supported X-API-Version release dates (no authentication required). Send the X-API-Version request header (YYYY-MM-DD) to pin a release, or omit it for the latest. Unknown versions return 400 unsupported_api_version.
GET
List dated API versions
Headers
Pin a dated API release (YYYY-MM-DD). Omit for the latest (2026-06-09). Unknown values return 400 unsupported_api_version; the resolved version is echoed back in the X-API-Version response header.
Pattern:
^\d{4}-\d{2}-\d{2}$Example:
"2026-06-09"
List dated API versions