diff --git a/website/source/api/index.html.md b/website/source/api/index.html.md
index 8149870bc..0740fe336 100644
--- a/website/source/api/index.html.md
+++ b/website/source/api/index.html.md
@@ -269,3 +269,12 @@ to allow clients to know if address translation is in effect, the
 `X-Consul-Translate-Addresses` header will be added if translation is enabled,
 and will have a value of `true`. If translation is not enabled then this header
 will not be present.
+
+## UUID Format
+
+UUID-format identifiers generated by the Consul API use the
+[hashicorp/go-uuid](https://github.com/hashicorp/go-uuid) library.
+
+These UUID-format strings are generated using high quality, purely random bytes.
+It is not intended to be RFC compliant, merely to use a well-understood string
+representation of a 128-bit value.