diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6f41b7c4..5fe2c3a1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ All notable changes to this project will be documented in this file.
 - In the cron expression dialog, show a human-friendly version of the expression
 - Indicate a started check with a progress spinner under status icon (#338)
 - Added "Docs > Reliability Tips" page
+- Spike.sh integration (#402)
 
 ### Bug Fixes
 - Removing Pager Team integration, project appears to be discontinued
diff --git a/hc/api/transports.py b/hc/api/transports.py
index 5044f4c4..1333a350 100644
--- a/hc/api/transports.py
+++ b/hc/api/transports.py
@@ -584,6 +584,7 @@ class Spike(HttpTransport):
         url = self.channel.value
         headers = {"Conent-Type": "application/json"}
         payload = {
+            "check_id": str(check.code),
             "title": tmpl("spike_title.html", check=check),
             "message": tmpl("spike_description.html", check=check),
             "status": check.status,