The apid Instance info has to be in the request header instead of body.

apigee_sync.go

diff --git a/apigee_sync.go b/apigee_sync.go
index 6c63a14..97cbe70 100644
--- a/apigee_sync.go
+++ b/apigee_sync.go
@@ -204,15 +204,16 @@
 	form := url.Values{}
 	form.Set("grant_type", "client_credentials")
 	form.Add("client_id", config.GetString(configConsumerKey))
-	form.Add("display_name", ginstName)
-	form.Add("apid_instance_id", guuid)
-	form.Add("apid_cluster_Id", gapidConfigId)
-	form.Add("status", "ONLINE")
-	form.Add("created_at", time.Now().Format(time.RFC3339))
-	form.Add("plugin_details", gpgInfo)
 	form.Add("client_secret", config.GetString(configConsumerSecret))
 	req, err := http.NewRequest("POST", uri.String(), bytes.NewBufferString(form.Encode()))
 	req.Header.Set("Content-Type", "application/x-www-form-urlencoded; param=value")
+	req.Header.Set("display_name", ginstName)
+	req.Header.Set("apid_instance_id", guuid)
+	req.Header.Set("apid_cluster_Id", gapidConfigId)
+	req.Header.Set("status", "ONLINE")
+	req.Header.Set("created_at", time.Now().Format(time.RFC3339))
+	req.Header.Set("plugin_details", gpgInfo)
+
 	client := &http.Client{}
 	resp, err := client.Do(req)
 	if err != nil {
@@ -479,7 +480,7 @@
 	}
 	prep, err := txn.Prepare("UPDATE APID_CONFIG SET lastSequence=$1;")
 	if err != nil {
-		log.Error("INSERT APID_CONFIG Failed: ", err)
+		log.Error("UPDATE APID_CONFIG Failed: ", err)
 		return false
 	}
 	defer prep.Close()

apigee_sync_test.go

diff --git a/apigee_sync_test.go b/apigee_sync_test.go
index 2fa9e9a..25e7782 100644
--- a/apigee_sync_test.go
+++ b/apigee_sync_test.go
@@ -46,10 +46,10 @@
 				err := req.ParseForm()
 				Expect(err).NotTo(HaveOccurred())
 				Expect(req.Form.Get("grant_type")).To(Equal("client_credentials"))
-				Expect(req.Form.Get("status")).To(Equal("ONLINE"))
-				Expect(req.Form.Get("apid_cluster_Id")).To(Equal("bootstrap"))
-				Expect(req.Form.Get("display_name")).To(Equal("testhost"))
-				plinfo := []byte(req.Form.Get("plugin_details"))
+				Expect(req.Header.Get("status")).To(Equal("ONLINE"))
+				Expect(req.Header.Get("apid_cluster_Id")).To(Equal("bootstrap"))
+				Expect(req.Header.Get("display_name")).To(Equal("testhost"))
+				plinfo := []byte(req.Header.Get("plugin_details"))
 				err = json.Unmarshal(plinfo, &plugInfo)
 				Expect(err).NotTo(HaveOccurred())
 				Expect(plugInfo[0].Name).To(Equal("apidApigeeSync"))