diff --git a/cmp/ketch.js b/cmp/ketch.js
new file mode 100644
index 0000000..c3471f3
--- /dev/null
+++ b/cmp/ketch.js
@@ -0,0 +1,12 @@
+// MIT License
+// Copyright (c) 2026 Open2b
+// See the LICENSE file for full text.
+
+function setupKetch(onConsent) {
+	const k = window.ketch
+	const cb = (config) => onConsent(config.purposes)
+	k('on', 'consent', cb)
+	k('on', 'userConsentUpdated',  cb)
+}
+
+export default setupKetch;
diff --git a/krenalis.js b/krenalis.js
index cc9d25c..a09331f 100644
--- a/krenalis.js
+++ b/krenalis.js
@@ -11,6 +11,7 @@ import Sender from './sender.js'
 import Session from './session.js'
 import Storage from './storage.js'
 import User from './user.js'
+import setupKetch from './cmp/ketch.js'
 
 const version = '0.0.0'
 const none = () => {}
@@ -50,6 +51,7 @@ class Krenalis {
 	#isLeader = false
 	#onFollowerQueue = null // is null when it is not the leader
 	#debug
+	#consent
 
 	// constructor returns a new Krenalis instance. writeKey is the write key,
 	// endpoint denotes the endpoint URL, and options is an object containing
@@ -85,6 +87,8 @@ class Krenalis {
 		this.#user = new User(this.#storage)
 		this.#group = new Group(this.#storage)
 
+		this.#setupConsentManagement()
+
 		// Participate in leader elections.
 		const electionsState = new ElectionsState(this.#keysPrefix)
 		this.#elections = new Elections(this.#id, electionsState, this.#onElection.bind(this))
@@ -537,8 +541,12 @@ class Krenalis {
 			}
 		}
 
+		if (this.#consent != null) {
+			event.context.consent = this.#consent;
+		}
+
 		// Apply user-provided context last so it can override automatic
-		// enrichments (campaign, timezone, session, etc).
+		// enrichments (campaign, timezone, session, consent, etc).
 		if ('context' in options) {
 			this.#mergeContext(event.context, options.context)
 		}
@@ -781,6 +789,15 @@ class Krenalis {
 		return options
 	}
 
+	#setupConsentManagement() {
+		const onConsent = (consent) => {
+			this.#consent = consent
+		}
+		if (window.ketch != null) {
+			setupKetch(onConsent)
+		}
+	}
+
 	// mergeTraits merges traits into the current user's or group's traits,
 	// stores them, and returns them. If traits is undefined, it only returns
 	// the current traits. k must be either '#user' or '#group'.