diff --git a/README.md b/README.md
index eaa7240..4d1eb69 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,25 @@ This action evaluate Tryber projects with [Cypress](https://www.npmjs.com/packag
 
   Pull Request author username.
 
+- `json-server`
+
+  **Default: false**
+
+    Initiate json-server start script before testing.
+
+- `json-server-port`
+
+  **Default: 3050**
+
+    Define json-server port.
+
+- `json-server-db`
+
+  **Default: db.json**
+
+    Define json-server db file.
+
+
 ## Outputs
 
 - `result`
diff --git a/action.yml b/action.yml
index 9784e63..2a84fa3 100644
--- a/action.yml
+++ b/action.yml
@@ -13,13 +13,26 @@ inputs:
   pr_author_username:
     description: "Pull Request author username"
     required: true
+  json-server:
+    description: "Initiate json-server start script before testing"
+    default: false
+  json-server-port:
+    description: "Define json-server port"
+    default: "3050"
+  json-server-db:
+    description: "Define json-server db file"
+    default: "db.json"
+
 outputs:
   result:
     description: "Cypress unit tests JSON results in base64 format."
 runs:
   using: "docker"
-  image: "docker://betrybe/cypress-evaluator-action:v8.2"
+  image: "docker://betrybe/cypress-evaluator-action:v9.0"
   args:
     - ${{ inputs.npm-start }}
     - ${{ inputs.headless }}
     - ${{ inputs.browser }}
+    - ${{ inputs.json-server }}
+    - ${{ inputs.json-server-port }}
+    - ${{ inputs.json-server-db }}
diff --git a/entrypoint.sh b/entrypoint.sh
index c254a59..df496fb 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -4,6 +4,9 @@ set -x
 RUN_NPM_START=$1
 CYPRESS_HEADLESS=$2
 CYPRESS_BROWSER=$3
+RUN_JSON_SERVER=$4
+JSON_SERVER_PORT=$5
+JSON_SERVER_DB=$6
 
 export CY_CLI=true
 
@@ -14,6 +17,11 @@ if $RUN_NPM_START ; then
   npx wait-on -t 300000 $wait_for_url # wait for server until timeout
 fi
 
+if $RUN_JSON_SERVER ; then
+  npx json-server --watch $JSON_SERVER_DB --port $JSON_SERVER_PORT &
+  npx wait-on -t 300000 http://localhost:$JSON_SERVER_PORT
+fi
+
 headless_flag=''
 if $CYPRESS_HEADLESS ; then
   headless_flag="--headless"