diff --git a/go.mod b/go.mod
index 2cc57b4..320aae8 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,7 @@ require (
 	forge.chapril.org/mls-361/application v0.0.0-20210505210056-fb6d8a49172f
 	forge.chapril.org/mls-361/crypto v0.0.0-20210505210121-8b90bff2c6d0
 	forge.chapril.org/mls-361/errors v0.0.0-20210505205959-6bf0da3026e8
-	forge.chapril.org/mls-361/jsonapi v0.0.0-20210506164608-b4dc891f8da5
+	forge.chapril.org/mls-361/jsonapi v0.0.0-20210507160901-9f2b144536a3
 	forge.chapril.org/mls-361/logger v0.0.0-20210505210208-50f76d793833
 	forge.chapril.org/mls-361/uuid v0.0.0-20210411123640-49d47af267ff
 	github.com/julienschmidt/httprouter v1.3.0
diff --git a/go.sum b/go.sum
index 2315c38..146de16 100644
--- a/go.sum
+++ b/go.sum
@@ -20,8 +20,8 @@ forge.chapril.org/mls-361/errors v0.0.0-20210505205959-6bf0da3026e8 h1:AUS2mIV1t
 forge.chapril.org/mls-361/errors v0.0.0-20210505205959-6bf0da3026e8/go.mod h1:lp680bNqiwsJyXCCeOoW2jyoq/x7jv4HAgurHqNiVhw=
 forge.chapril.org/mls-361/fqdn v0.0.0-20210505210026-544124883654 h1:VZpYvM5/PdtNQgmguSxtoD9sMlRI+/ndvyPNCSScTsA=
 forge.chapril.org/mls-361/fqdn v0.0.0-20210505210026-544124883654/go.mod h1:WwEQJZi7shs5QbHJU/qcOWtv8xmkuEoIgX5nKypwXSg=
-forge.chapril.org/mls-361/jsonapi v0.0.0-20210506164608-b4dc891f8da5 h1:twdFRv8G7lxT4WCqprfHtnDGpBuccIi5jKikQbjQEzY=
-forge.chapril.org/mls-361/jsonapi v0.0.0-20210506164608-b4dc891f8da5/go.mod h1:Gehbj8OeDiaN+zoNoWyfLneb8zxKhBH6dAz41q43Qaw=
+forge.chapril.org/mls-361/jsonapi v0.0.0-20210507160901-9f2b144536a3 h1:HS8Cy+0w+eqqIl6dNIpGF8N6pquhbVbPx+5IuGxwQ7Y=
+forge.chapril.org/mls-361/jsonapi v0.0.0-20210507160901-9f2b144536a3/go.mod h1:Gehbj8OeDiaN+zoNoWyfLneb8zxKhBH6dAz41q43Qaw=
 forge.chapril.org/mls-361/kvfmt v0.0.0-20210505202529-c3d4b541e862 h1:QnY1J/F2CZpk0sOzjxx0ZA1dXoFyTpW4fNuiGQoyZ5s=
 forge.chapril.org/mls-361/kvfmt v0.0.0-20210505202529-c3d4b541e862/go.mod h1:bv44R0CAd8lQV4ub1hjLE3kWYwpfsW4Ro9zRnD4YOMU=
 forge.chapril.org/mls-361/logger v0.0.0-20210505210208-50f76d793833 h1:DQot7mdUNb43d7yXxEUp8R+rDXLPFb3Wf1O00L7Er3s=
diff --git a/internal/api/api.go b/internal/api/api.go
index f0a09e0..91efa69 100644
--- a/internal/api/api.go
+++ b/internal/api/api.go
@@ -8,14 +8,15 @@ package api
 
 import (
 	"errors"
-	"expvar"
 	"net/http"
 
 	"forge.chapril.org/armen/jw"
 	"forge.chapril.org/armen/model"
 	"forge.chapril.org/mls-361/jsonapi"
+	"forge.chapril.org/mls-361/uuid"
 
 	"forge.chapril.org/armen/armen/internal/components"
+	"forge.chapril.org/armen/armen/internal/middleware"
 )
 
 const (
@@ -29,47 +30,51 @@ type api struct {
 
 func newAPI(ccs *components.Components) *api {
 	return &api{
-		logger: ccs.Logger,
+		logger: ccs.Logger.NewLogger(uuid.New(), "api"),
 		model:  ccs.Model,
 	}
 }
 
-func (api *api) createJob(rw http.ResponseWriter, r *http.Request) {
+func (api *api) createJob(r *jsonapi.Request) {
 	job := new(jw.Job)
 
-	if jsonapi.Decode(rw, r, _maxBodySize, job) != nil {
+	if r.Decode(_maxBodySize, job) != nil {
 		return
 	}
 
 	job, err := api.model.CreateJob(job)
 	if err != nil {
 		if errors.Is(err, model.ErrValidation) {
-			jsonapi.BadRequest(rw, err)
+			r.BadRequest(err)
 		} else {
-			jsonapi.InternalServerError(rw, err)
+			r.InternalServerError(err)
 		}
 
 		return
 	}
 
 	if job == nil {
-		rw.WriteHeader(http.StatusOK)
+		r.RenderOK()
 		return
 	}
 
-	jsonapi.Render(rw, r, http.StatusCreated, job, api.logger)
+	r.RenderJSON(http.StatusCreated, job, api.logger)
+}
+
+func (api *api) middleware(hf jsonapi.HandlerFunc) jsonapi.Handler {
+	return middleware.Trace(hf, api.logger)
 }
 
 func Build(ccs *components.Components) {
 	api := newAPI(ccs)
 	router := ccs.Router
 
-	router.Get("/debug", expvar.Handler())
-	router.Get("/status", http.HandlerFunc(func(rw http.ResponseWriter, _ *http.Request) {
-		rw.WriteHeader(http.StatusOK)
+	//router.Get("/debug", expvar.Handler()) //AFINIR
+	router.Get("/status", api.middleware(func(r *jsonapi.Request) {
+		r.RenderOK()
 	}))
 
-	router.Post("/job/create", http.HandlerFunc(api.createJob))
+	router.Post("/job/create", api.middleware(api.createJob))
 }
 
 /*
diff --git a/internal/components/components.go b/internal/components/components.go
index bb95043..909005c 100644
--- a/internal/components/components.go
+++ b/internal/components/components.go
@@ -10,6 +10,7 @@ import (
 	"net/http"
 
 	"forge.chapril.org/armen/jw"
+	"forge.chapril.org/mls-361/jsonapi"
 	"forge.chapril.org/mls-361/logger"
 	"forge.chapril.org/mls-361/uuid"
 
@@ -49,8 +50,8 @@ type Model interface {
 // Router AFAIRE.
 type Router interface {
 	Handler() http.Handler
-	Get(path string, handler http.Handler)
-	Post(path string, handler http.Handler)
+	Get(path string, handler jsonapi.Handler)
+	Post(path string, handler jsonapi.Handler)
 }
 
 // Server AFAIRE.
diff --git a/internal/middleware/trace.go b/internal/middleware/trace.go
index bd3c97e..dddf435 100644
--- a/internal/middleware/trace.go
+++ b/internal/middleware/trace.go
@@ -7,51 +7,28 @@
 package middleware
 
 import (
-	"net/http"
-
 	"forge.chapril.org/mls-361/jsonapi"
-	"forge.chapril.org/mls-361/uuid"
 
 	"forge.chapril.org/armen/armen/internal/components"
 )
 
-type responseWriter struct {
-	http.ResponseWriter
-	status int
-}
-
-func newResponseWriter(w http.ResponseWriter) *responseWriter {
-	return &responseWriter{
-		ResponseWriter: w,
-		status:         200,
-	}
-}
-
-func (rw *responseWriter) WriteHeader(status int) {
-	rw.status = status
-	rw.ResponseWriter.WriteHeader(status)
-}
-
 // Trace AFAIRE.
-func Trace(next http.Handler, logger components.Logger) http.Handler {
-	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		id := uuid.New()
-		rw := newResponseWriter(w)
-
+func Trace(next jsonapi.Handler, logger components.Logger) jsonapi.Handler {
+	return jsonapi.HandlerFunc(func(r *jsonapi.Request) {
 		logger.Trace( //::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
 			"Request",
-			"id", id,
+			"id", r.ID(),
 			"from", r.RemoteAddr,
 			"method", r.Method,
 			"uri", r.URL.RequestURI(),
 		)
 
-		next.ServeHTTP(rw, jsonapi.NewRequestWithID(r, id))
+		next.Serve(r)
 
 		logger.Trace( //::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
 			"Response",
-			"id", id,
-			"status", rw.status,
+			"id", r.ID(),
+			"status", r.Status(),
 		)
 	})
 }
diff --git a/internal/router/router.go b/internal/router/router.go
index 985d271..46f8bf0 100644
--- a/internal/router/router.go
+++ b/internal/router/router.go
@@ -9,6 +9,7 @@ package router
 import (
 	"net/http"
 
+	"forge.chapril.org/mls-361/jsonapi"
 	"github.com/julienschmidt/httprouter"
 
 	"forge.chapril.org/armen/armen/internal/components"
@@ -41,14 +42,24 @@ func (cr *router) Handler() http.Handler {
 	return cr.mux
 }
 
+func (cr *router) handle(method string, path string, handler jsonapi.Handler) {
+	cr.mux.Handle(
+		method,
+		path,
+		func(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
+			handler.Serve(jsonapi.NewRequest(r, w))
+		},
+	)
+}
+
 // Get AFAIRE.
-func (cr *router) Get(path string, handler http.Handler) {
-	cr.mux.Handler(http.MethodGet, path, handler)
+func (cr *router) Get(path string, handler jsonapi.Handler) {
+	cr.handle(http.MethodGet, path, handler)
 }
 
 // Post AFAIRE.
-func (cr *router) Post(path string, handler http.Handler) {
-	cr.mux.Handler(http.MethodPost, path, handler)
+func (cr *router) Post(path string, handler jsonapi.Handler) {
+	cr.handle(http.MethodPost, path, handler)
 }
 
 /*
diff --git a/internal/server/server.go b/internal/server/server.go
index 5fc35b6..c7a64da 100644
--- a/internal/server/server.go
+++ b/internal/server/server.go
@@ -16,7 +16,6 @@ import (
 	"forge.chapril.org/mls-361/uuid"
 
 	"forge.chapril.org/armen/armen/internal/components"
-	"forge.chapril.org/armen/armen/internal/middleware"
 )
 
 type server struct {
@@ -34,11 +33,9 @@ func Build(ccs *components.Components) (components.Server, error) {
 	cs := newServer(ccs.Logger.NewLogger(uuid.New(), "server"))
 	cfg := ccs.Config.Server()
 
-	handler := middleware.Trace(ccs.Router.Handler(), ccs.Logger)
-
 	cs.server = &http.Server{
 		Addr:         fmt.Sprintf(":%d", cfg.Port),
-		Handler:      handler,
+		Handler:      ccs.Router.Handler(),
 		ErrorLog:     cs.logger.NewStdLogger("error", "", log.Llongfile),
 		IdleTimeout:  1 * time.Minute,
 		ReadTimeout:  5 * time.Second,