diff --git a/lib/metrics/services.js b/lib/metrics/services.js
index 0aa9be9..345a552 100644
--- a/lib/metrics/services.js
+++ b/lib/metrics/services.js
@@ -163,6 +163,7 @@ module.exports = {
 	'insights-api-gateway': /^https:\/\/api.ft.com\/snr\/v1\/insights\/aggregations\/[\w\-]+/,
 	'insights-api-recommended-newsletters': /^https:\/\/api.ft.com\/snr\/v1\/insights\/recommended-newsletters\/[\w\-]+/,
 	'insights-api-recommended-articles': /^https:\/\/api.ft.com\/snr\/v1\/insights\/recommended-articles\/[\w\-]+/,
+	'insights-api-similarity-articles': /^https:\/\/api.ft.com\/snr\/v1\/insights\/recommendations\/articles\/methods\/similarity\/[\w\-]+/,
 	'ip-voltdb-api': /^https?:\/\/voltdb-api-(us|eu|eu-test|global).in.ft.com\//,
 	'kat': /^https?:\/\/kat\.ft\.com\/api\//,
 	'keen': /^https?:\/\/api\.keen\.io/,