diff --git a/src/core/core.js b/src/core/core.js
index ba7b22b35a8a79b527fd4c128611188ac9d83842..df59a2927f23cd2609dac50256fdae8a7c9accf9 100644
--- a/src/core/core.js
+++ b/src/core/core.js
@@ -6,6 +6,7 @@ const { deleteBoConsent, createBoConsent } = require('../requests/bo')
 const moment = require('moment')
 const { isLocal } = require('../helpers/env')
 const { createGRDFConsent } = require('../requests/grdf')
+const Sentry = require('@sentry/node')
 require('moment-timezone')
 moment.locale('fr') // set the language
 moment.tz.setDefault('Europe/Paris') // set the timezone
@@ -86,6 +87,11 @@ async function createConsent({
   boToken,
   boUrlGRDF
 }) {
+  const transaction = Sentry.startTransaction({
+    op: 'konnector',
+    name: 'createConsent',
+    tags: { pce }
+  })
   const startDateString = moment(startDate).format('YYYY-MM-DD')
   const endDateConsent = moment(endDate).add(1, 'year')
   const endDateString = endDateConsent.format('YYYY-MM-DD')
@@ -126,6 +132,7 @@ async function createConsent({
     })
     throw err
   })
+  transaction.finish()
   throw errors.CHALLENGE_ASKED
 }
 
diff --git a/src/index.js b/src/index.js
index b4c147e97f3be94ce09e128e50b386b1cf0a993c..f30f2db2d87fd9cb53513551fc722836a4428264 100755
--- a/src/index.js
+++ b/src/index.js
@@ -69,6 +69,11 @@ async function start(fields, cozyParameters) {
 
   const { pce, email, firstname, lastname, postalCode } = fields
 
+  const transaction = Sentry.startTransaction({
+    op: 'konnector',
+    name: 'start',
+    tags: { pce }
+  })
   let boToken = ''
   let boBaseUrl = ''
   let grdfId = ''
@@ -129,9 +134,11 @@ async function start(fields, cozyParameters) {
     log('error', 'Start failed', error)
     Sentry.captureException(error, {
       tags: {
-        section: 'start'
+        section: 'start',
+        pce
       }
     })
+    transaction.finish()
     await Sentry.flush()
     throw error
   }
@@ -156,6 +163,11 @@ function buildGetDataUrl(idPCE, startDate, endDate) {
  * @param {string} endDate 'YYYY-MM-DD'
  */
 async function getData(token, idPCE, startDate, endDate) {
+  const transaction = Sentry.startTransaction({
+    op: 'konnector',
+    name: 'getData',
+    tags: { pce: idPCE }
+  })
   log('debug', `getData from ${startDate} to ${endDate}`)
   const url = buildGetDataUrl(idPCE, startDate, endDate)
   log('debug', url)
@@ -222,6 +234,7 @@ async function getData(token, idPCE, startDate, endDate) {
   const filteredRep = response.filter(function(el) {
     return el.energie != null || el.volume_brut != null
   })
+  transaction.finish()
   return filteredRep
 }