diff --git a/base-line/examples.http b/base-line/examples.http
index 5f72c35..1b4985f 100644
--- a/base-line/examples.http
+++ b/base-line/examples.http
@@ -8,6 +8,10 @@
 	{ "id":"12345","value": "A" },
 	{ "id":"6789","value": "B" },
 ]
+###
+
+
+
 
 # Parse un flux CSV, et le retourne sans modification
 POST https://base-line.services.inist.fr/v1/echo/csv HTTP/1.1
@@ -16,6 +20,10 @@
 id,value
 12345,A
 6789,B
+###
+
+
+
 
 
 # Reçoit un flux, et le retourne sans modification et sans analsye
@@ -23,6 +31,10 @@
 Content-Type: text/plain
 
 OK
+###
+
+
+
 
 # Parse un flux JSON, et donne la valeur true au champ value
 POST https://base-line.services.inist.fr/v1/true/json?indent=true HTTP/1.1
@@ -32,6 +44,10 @@
 	{ "id":"12345","value": "A" },
 	{ "id":"6789","value": "B" },
 ]
+###
+
+
+
 
 # Parse un flux CSV, et donne la valeur true au champ value
 POST https://base-line.services.inist.fr/v1/true/csv HTTP/1.1
@@ -40,6 +56,10 @@
 id,value
 12345,A
 6789,B
+###
+
+
+
 
 
 
diff --git a/base-line/v1/echo/csv.ini b/base-line/v1/echo/csv.ini
index c54d19f..1247346 100644
--- a/base-line/v1/echo/csv.ini
+++ b/base-line/v1/echo/csv.ini
@@ -1,3 +1,5 @@
+mimeType = text/csv
+
 [use]
 plugin = basics
 
diff --git a/base-line/v1/echo/json.ini b/base-line/v1/echo/json.ini
index 5e90687..e81a375 100644
--- a/base-line/v1/echo/json.ini
+++ b/base-line/v1/echo/json.ini
@@ -1,3 +1,5 @@
+mimeType= application/json
+
 [use]
 plugin = basics
 
diff --git a/base-line/v1/echo/raw.ini b/base-line/v1/echo/raw.ini
index 137f233..6c54af4 100644
--- a/base-line/v1/echo/raw.ini
+++ b/base-line/v1/echo/raw.ini
@@ -1 +1,2 @@
+mimeType = application/octet-stream
 [transit]
diff --git a/base-line/v1/true/csv.ini b/base-line/v1/true/csv.ini
index fa6e450..13a3b12 100644
--- a/base-line/v1/true/csv.ini
+++ b/base-line/v1/true/csv.ini
@@ -1,3 +1,5 @@
+mimeType = text/csv
+
 [use]
 plugin = basics
 
diff --git a/base-line/v1/true/json.ini b/base-line/v1/true/json.ini
index d79dfb3..ab4b943 100644
--- a/base-line/v1/true/json.ini
+++ b/base-line/v1/true/json.ini
@@ -1,3 +1,5 @@
+mimeType = application/json
+
 [use]
 plugin = basics