diff --git a/.gitignore b/.gitignore
index 3102d0c..ad869d5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,7 @@
+# Sensitive files
 config.py
+*.JSON
+*.json
 
 # ---> Python
 # Byte-compiled / optimized / DLL files
diff --git a/config-sample.py b/config-sample.py
index e69de29..f14a8e2 100644
--- a/config-sample.py
+++ b/config-sample.py
@@ -0,0 +1,6 @@
+# Openbravo API parameters
+
+ob_api_url = "http://[your-openbravo-domain]/openbravo/org.openbravo.service.json.jsonrest/"
+#client_id = "7B75C13C21B945AB9DA2B32DD993FE70"
+#client_identifier = "Grupo Acme Companies"
+userpass_b64 = "cm9ib3RhcGk6S2kxMzAxa28j"
diff --git a/extract-invoice.py b/extract-invoice.py
new file mode 100644
index 0000000..6f6e6ad
--- /dev/null
+++ b/extract-invoice.py
@@ -0,0 +1,14 @@
+import requests
+from config import *
+
+url = ob_api_url+"Invoice?_where=documentNo='1001649'&_noActiveFilter=false"
+
+payload = {}
+headers = {
+  'Authorization': 'Basic '+userpass_b64
+}
+
+response = requests.request("GET", url, headers=headers, data=payload)
+
+print(response.text)
+