diff --git a/api/package.json b/api/package.json
index 5375f3b4f..a0fc3a4b2 100644
--- a/api/package.json
+++ b/api/package.json
@@ -32,6 +32,8 @@
 		"@koa/cors": "^3.3.0",
 		"@koa/router": "^10.1.1",
 		"@publicodes/api": "^1.0.0-beta.42",
+		"@sentry/node": "^7.1.1",
+		"@sentry/tracing": "^7.1.1",
 		"koa": "^2.13.4",
 		"koa-body": "^5.0.0",
 		"koa-static": "^5.0.0",
diff --git a/api/source/index.ts b/api/source/index.ts
index 662c80f4e..61a5a3311 100644
--- a/api/source/index.ts
+++ b/api/source/index.ts
@@ -1,5 +1,5 @@
 import cors from '@koa/cors'
-import Router from '@koa/router'
+import Router, { RouterContext } from '@koa/router'
 import { koaMiddleware as publicodesAPI } from '@publicodes/api'
 import Koa from 'koa'
 import rules from 'modele-social'
@@ -7,6 +7,7 @@ import Engine from 'publicodes'
 import openapi from './openapi.json' assert { type: 'json' }
 import { docRoutes } from './route/doc.js'
 import { openapiRoutes } from './route/openapi.js'
+import Sentry, { requestHandler, tracingMiddleWare } from './sentry.js'
 
 type State = Koa.DefaultState
 type Context = Koa.DefaultContext
@@ -14,6 +15,18 @@ type Context = Koa.DefaultContext
 const app = new Koa<State, Context>()
 const router = new Router<State, Context>()
 
+app.use(requestHandler)
+app.use(tracingMiddleWare)
+
+app.on('error', (err, ctx: RouterContext) => {
+	Sentry.withScope((scope) => {
+		scope.addEventProcessor((event) => {
+			return Sentry.Handlers.parseRequest(event, ctx.request)
+		})
+		Sentry.captureException(err)
+	})
+})
+
 app.use(cors())
 
 const apiRoutes = publicodesAPI(new Engine(rules))
diff --git a/api/source/sentry.ts b/api/source/sentry.ts
new file mode 100644
index 000000000..285edee20
--- /dev/null
+++ b/api/source/sentry.ts
@@ -0,0 +1,85 @@
+import { RouterContext } from '@koa/router'
+import * as Sentry from '@sentry/node'
+import * as Tracing from '@sentry/tracing'
+// eslint-disable-next-line n/no-deprecated-api
+import Domains from 'domain'
+import { Context, Next } from 'koa'
+
+Sentry.init({
+	dsn: 'https://21ddaba2424b46b4b14185dba51b1288@sentry.incubateur.net/42',
+
+	// Set tracesSampleRate to 1.0 to capture 100%
+	// of transactions for performance monitoring.
+	// We recommend adjusting this value in production
+	tracesSampleRate: 0.5,
+})
+
+export default Sentry
+
+// not mandatory, but adding domains does help a lot with breadcrumbs
+export const requestHandler = (ctx: Context, next: Next) => {
+	return new Promise<void>((resolve, reject) => {
+		const local = Domains.create()
+		local.add(ctx as never)
+		local.on('error', (err) => {
+			// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
+			ctx.status = (err.status as number) || 500
+			// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
+			ctx.body = err.message
+			ctx.app.emit('error', err, ctx)
+		})
+		void local.run(async () => {
+			Sentry.getCurrentHub().configureScope((scope) =>
+				scope.addEventProcessor((event) =>
+					Sentry.Handlers.parseRequest(event, ctx.request, { user: false })
+				)
+			)
+			await next()
+			resolve()
+		})
+	})
+}
+
+// this tracing middleware creates a transaction per request
+export const tracingMiddleWare = async (ctx: RouterContext, next: Next) => {
+	const reqMethod = (ctx.method || '').toUpperCase()
+	const reqUrl = ctx.url && Tracing.stripUrlQueryAndFragment(ctx.url)
+
+	// connect to trace of upstream app
+	let traceparentData
+	if (ctx.request.get('sentry-trace')) {
+		traceparentData = Tracing.extractTraceparentData(
+			ctx.request.get('sentry-trace')
+		)
+	}
+
+	const transaction = Sentry.startTransaction({
+		name: `${reqMethod} ${reqUrl}`,
+		op: 'http.server',
+		...traceparentData,
+	})
+
+	ctx.__sentry_transaction = transaction
+
+	// We put the transaction on the scope so users can attach children to it
+	Sentry.getCurrentHub().configureScope((scope) => {
+		scope.setSpan(transaction)
+	})
+
+	ctx.res.on('finish', () => {
+		// Push `transaction.finish` to the next event loop so open spans have a chance to finish before the transaction closes
+		setImmediate(() => {
+			// if using koa router, a nicer way to capture transaction using the matched route
+			if (ctx._matchedRoute) {
+				const mountPath = (ctx.mountPath as undefined | string) || ''
+				transaction.setName(
+					`${reqMethod} ${mountPath}${ctx._matchedRoute.toString()}`
+				)
+			}
+			transaction.setHttpStatus(ctx.status)
+			transaction.finish()
+		})
+	})
+
+	await next()
+}
diff --git a/yarn.lock b/yarn.lock
index b4e845b7a..cda0e5ee2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4369,6 +4369,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@sentry/core@npm:7.1.1":
+  version: 7.1.1
+  resolution: "@sentry/core@npm:7.1.1"
+  dependencies:
+    "@sentry/hub": 7.1.1
+    "@sentry/types": 7.1.1
+    "@sentry/utils": 7.1.1
+    tslib: ^1.9.3
+  checksum: 687d46e7a0960cf595ae7ce392aaad2157653513cd1f92bf2bbcbfe6663365fab874a53f63220fcf1ad1312abe27bc871bc1e84abe5b60cd661642e661be4b6c
+  languageName: node
+  linkType: hard
+
 "@sentry/hub@npm:6.19.6":
   version: 6.19.6
   resolution: "@sentry/hub@npm:6.19.6"
@@ -4380,6 +4392,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@sentry/hub@npm:7.1.1":
+  version: 7.1.1
+  resolution: "@sentry/hub@npm:7.1.1"
+  dependencies:
+    "@sentry/types": 7.1.1
+    "@sentry/utils": 7.1.1
+    tslib: ^1.9.3
+  checksum: ddc61b31aa0f45ee9ea3f32173d6e49fa93fa8b83eb7d5ab0c53758f31731e1ae70a0730212ed3a0889ea47372e5919f511ad7c056dae2c18d31049caeb0c38c
+  languageName: node
+  linkType: hard
+
 "@sentry/integrations@npm:^6.19.6":
   version: 6.19.6
   resolution: "@sentry/integrations@npm:6.19.6"
@@ -4403,6 +4426,22 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@sentry/node@npm:^7.1.1":
+  version: 7.1.1
+  resolution: "@sentry/node@npm:7.1.1"
+  dependencies:
+    "@sentry/core": 7.1.1
+    "@sentry/hub": 7.1.1
+    "@sentry/types": 7.1.1
+    "@sentry/utils": 7.1.1
+    cookie: ^0.4.1
+    https-proxy-agent: ^5.0.0
+    lru_map: ^0.3.3
+    tslib: ^1.9.3
+  checksum: ecda1b11356da01fbfbf0909fa7eead19c442ff6ef7bce9f7a5fadcdc220399014a42ac08614d6fa03e555084de00c0ef8904fb45e0682010ef5a8e2920692f9
+  languageName: node
+  linkType: hard
+
 "@sentry/react@npm:^6.19.6":
   version: 6.19.6
   resolution: "@sentry/react@npm:6.19.6"
@@ -4432,6 +4471,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@sentry/tracing@npm:^7.1.1":
+  version: 7.1.1
+  resolution: "@sentry/tracing@npm:7.1.1"
+  dependencies:
+    "@sentry/hub": 7.1.1
+    "@sentry/types": 7.1.1
+    "@sentry/utils": 7.1.1
+    tslib: ^1.9.3
+  checksum: 3b11cc36eaf99c716185ccd80a0ec2e5b042a38cf4419ce5a0eeda7f81c7d097134e94c4aa6dfa45b23c83d8563b20ac6ad9cd47bbd164f363039672b971b87d
+  languageName: node
+  linkType: hard
+
 "@sentry/types@npm:6.19.6":
   version: 6.19.6
   resolution: "@sentry/types@npm:6.19.6"
@@ -4439,6 +4490,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@sentry/types@npm:7.1.1":
+  version: 7.1.1
+  resolution: "@sentry/types@npm:7.1.1"
+  checksum: 3f1b43782ca93c6520589b3739d4833cd00afb0f3ff72f5afaa42d4224c63163b1ef6bd167143b7d72667d0711f09fc4a42d36418ee242898a9cbd979dbac65d
+  languageName: node
+  linkType: hard
+
 "@sentry/utils@npm:6.19.6":
   version: 6.19.6
   resolution: "@sentry/utils@npm:6.19.6"
@@ -4449,6 +4507,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@sentry/utils@npm:7.1.1":
+  version: 7.1.1
+  resolution: "@sentry/utils@npm:7.1.1"
+  dependencies:
+    "@sentry/types": 7.1.1
+    tslib: ^1.9.3
+  checksum: b36d0e03b007229cad81dc8db517c4bf58c8e7636aa80a575dc91fb605028c1a0b61e5f090704e04b5e9021fd8ec95b1a6f1465449f2a1a6c657b283295add71
+  languageName: node
+  linkType: hard
+
 "@sideway/address@npm:^4.1.3":
   version: 4.1.4
   resolution: "@sideway/address@npm:4.1.4"
@@ -7770,6 +7838,8 @@ __metadata:
     "@koa/cors": ^3.3.0
     "@koa/router": ^10.1.1
     "@publicodes/api": ^1.0.0-beta.42
+    "@sentry/node": ^7.1.1
+    "@sentry/tracing": ^7.1.1
     "@types/koa": ^2.13.4
     "@types/koa-static": ^4.0.2
     "@types/koa__cors": ^3.3.0
@@ -9882,7 +9952,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"cookie@npm:0.4.2":
+"cookie@npm:0.4.2, cookie@npm:^0.4.1":
   version: 0.4.2
   resolution: "cookie@npm:0.4.2"
   checksum: a00833c998bedf8e787b4c342defe5fa419abd96b32f4464f718b91022586b8f1bafbddd499288e75c037642493c83083da426c6a9080d309e3bd90fd11baa9b
@@ -15884,6 +15954,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"lru_map@npm:^0.3.3":
+  version: 0.3.3
+  resolution: "lru_map@npm:0.3.3"
+  checksum: ca9dd43c65ed7a4f117c548028101c5b6855e10923ea9d1f635af53ad20c5868ff428c364d454a7b57fe391b89c704982275410c3c5099cca5aeee00d76e169a
+  languageName: node
+  linkType: hard
+
 "lz-string@npm:^1.4.4":
   version: 1.4.4
   resolution: "lz-string@npm:1.4.4"