diff --git a/package.json b/package.json
index 4eaadfa..4724a79 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
 		"outputPath": "./"
 	},
 	"dependencies": {
-		"@dyne/slangroom-chain": "^1.5.0",
+		"@dyne/slangroom-chain": "^1.6.0",
 		"@slangroom/core": "^1.33.1",
 		"@slangroom/db": "^1.33.1",
 		"@slangroom/ethereum": "^1.33.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f9edef5..e5da636 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -9,7 +9,7 @@ importers:
   .:
     dependencies:
       '@dyne/slangroom-chain':
-        specifier: ^1.5.0
+        specifier: ^1.6.0
         version: 1.6.0(@capacitor/core@6.0.0)(zenroom@4.32.2)
       '@slangroom/core':
         specifier: ^1.33.1
diff --git a/src/index.ts b/src/index.ts
index 2c55ace..99ef2f0 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -324,7 +324,7 @@ const generateRoutes = (app: TemplatedApp) => {
 				let jsonResult: Record <string, unknown>;
 				try {
 					if (chain) {
-						jsonResult = JSON.parse(await slangroomChainExecute(chain));
+						jsonResult = JSON.parse(await slangroomChainExecute(chain, data? JSON.stringify(data) : undefined));
 					} else {
 						({ result: jsonResult } = await s.execute(contract, { keys, data, conf }));
 					}
diff --git a/tests/fixtures/chain/hello_with_input.chain.js b/tests/fixtures/chain/hello_with_input.chain.js
new file mode 100644
index 0000000..411897e
--- /dev/null
+++ b/tests/fixtures/chain/hello_with_input.chain.js
@@ -0,0 +1,10 @@
+() => {
+    return {
+        "steps": [
+            {
+                "id": "first",
+                "zencode": "Given I have a 'string' named 'say_hi'\nThen print 'say_hi'"
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/tests/workflow.stepci.yml b/tests/workflow.stepci.yml
index 8d71501..60809e7 100644
--- a/tests/workflow.stepci.yml
+++ b/tests/workflow.stepci.yml
@@ -383,6 +383,26 @@ tests:
             json:
               say_hi: hello from dataTransform
 
+      - name: hello chain with input GET
+        http:
+          url: http://${{env.host}}/chain/hello_with_input?say_hi=bonjour
+          method: GET
+          check:
+            status: 200
+            json:
+              say_hi: bonjour
+
+      - name: hello chain with input POST
+        http:
+          url: http://${{env.host}}/chain/hello_with_input
+          method: POST
+          json:
+            say_hi: Buen día
+          check:
+            status: 200
+            json:
+              say_hi: Buen día
+
   public_dir:
     steps:
       - name: public with wrong precondition