diff --git a/CHANGES_NEXT_RELEASE b/CHANGES_NEXT_RELEASE
index 0d4ce7bcd..1e8ae7492 100644
--- a/CHANGES_NEXT_RELEASE
+++ b/CHANGES_NEXT_RELEASE
@@ -1 +1,2 @@
 - Fix: allow send multiple measures to CB in a batch (v2/op/update) instead of using multiples single request (iotagent-json#825)
+- Fix: default express limit to 1Mb instead default 100Kb and allow change it throught a conf env var 'IOTA_EXPRESS_LIMIT' (#827)
\ No newline at end of file
diff --git a/lib/bindings/HTTPBinding.js b/lib/bindings/HTTPBinding.js
index 321ae7fe5..071c0c1af 100644
--- a/lib/bindings/HTTPBinding.js
+++ b/lib/bindings/HTTPBinding.js
@@ -52,9 +52,9 @@ let httpBindingServer;
 const transport = 'HTTP';
 
 const { promisify } = require('util');
-const json = promisify(bodyParser.json({ strict: false })); // accept anything JSON.parse accepts.
-const text = promisify(bodyParser.text());
-const raw = promisify(bodyParser.raw());
+const json = promisify(bodyParser.json({ strict: false, limit: config.getConfig().iota.expressLimit })); // accept anything JSON.parse accepts.
+const text = promisify(bodyParser.text({ limit: config.getConfig().iota.expressLimit }));
+const raw = promisify(bodyParser.raw({ limit: config.getConfig().iota.expressLimit }));
 const xml2js = require('xml2js');
 const xmlStripPrefix = xml2js.processors.stripPrefix;
 const xml = promisify(
@@ -674,7 +674,7 @@ function start(callback) {
 
     httpBindingServer.router.post(
         config.getConfig().iota.defaultResource || constants.HTTP_MEASURE_PATH,
-        bodyParser.json({ strict: false }), // accept anything JSON.parse accepts
+        bodyParser.json({ strict: false, limit: config.getConfig().iota.expressLimit }), // accept anything JSON.parse accepts
         checkMandatoryParams(false),
         parseDataMultipleMeasure,
         addTimestamp,
@@ -697,7 +697,7 @@ function start(callback) {
 
     httpBindingServer.router.post(
         (config.getConfig().iota.defaultResource || constants.HTTP_MEASURE_PATH) + constants.HTTP_COMMANDS_PATH,
-        bodyParser.json({ strict: false }), // accept anything JSON.parse accepts.
+        bodyParser.json({ strict: false, limit: config.getConfig().iota.expressLimit }), // accept anything JSON.parse accepts.
         checkMandatoryParams(false),
         parseData,
         addTimestamp,
@@ -708,7 +708,7 @@ function start(callback) {
 
     httpBindingServer.router.post(
         (config.getConfig().iota.defaultResource || constants.HTTP_MEASURE_PATH) + constants.HTTP_CONFIGURATION_PATH,
-        bodyParser.json({ strict: false }), // accept anything JSON.parse accepts.
+        bodyParser.json({ strict: false, limit: config.getConfig().iota.expressLimit }), // accept anything JSON.parse accepts.
         checkMandatoryParams(false),
         parseData,
         handleConfigurationRequest