diff --git a/CHANGELOG.md b/CHANGELOG.md
index 53f831b..73a6577 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Add optional `origin` field to `SentinelMeta` type for transaction origin tracking
+
 ## [22.3.0]
 
 ### Changed
diff --git a/src/types.ts b/src/types.ts
index 20378f2..43081b5 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -10,6 +10,7 @@ export type SentinelMeta = {
   kind?: Kind;
   client?: string;
   wallet?: string;
+  origin?: string;
 };
 
 // This list does not belong here, but as these are reported to tx-sentinel, it is ok to have it here for now.