diff --git a/c3l_membership/views.py b/c3l_membership/views.py
--- a/c3l_membership/views.py
+++ b/c3l_membership/views.py
@@ -2,6 +2,7 @@ import re
 import subprocess
 from datetime import date
 
+import requests
 from flask import Blueprint, current_app, g, render_template, request
 from flask_babel import gettext
 from flask_weasyprint import HTML, render_pdf
@@ -42,7 +43,7 @@ def index():
             choices.append(
                 (
                     cryptocurrency_label,
-                    " ".format((gettext("by"), options)),
+                    " ".join((gettext("by"), cryptocurrency_label.title())),
                 ),
             )
 
@@ -65,14 +66,15 @@ def index():
 
         if form.starving.data:
             price = 1
-            xml_data["status"] = "Starving"
+            status = "Starving"
         elif form.minor_member.data or form.student.data:
-            xml_data["status"] = "Student"
+            status = "Student"
         elif form.membership.data == "supporting":
-            xml_data["status"] = "Supporter"
+            status = "Supporter"
         else:
-            xml_data["status"] = "Regular"
+            status = "Regular"
 
+        xml_data["status"] = status
         xml_data["name"] = form.fullname.data
         xml_data["birthday"] = (
             form.birthday.data if form.birthday.data is not None else date(9999, 12, 12)
@@ -91,15 +93,20 @@ def index():
         xml_data["address"] = re.sub("\s+", " ", xml_data["address"])
 
         if form.payment.data in current_app.config["CRYPTOCURRENCIES"]:
-            price = subprocess.run(
-                [
-                    current_app.config["CRYPTOCURRENCIES_CONVERSION_SCRIPT"],
-                    str(price),
-                    form.payment.data,
-                ],
-                capture_output=True,
-                encoding="utf-8",
-            ).stdout
+
+            current_conversion_r = requests.get(
+                current_app.config["CONVERSION_URL"], timeout=30
+            )
+            try:
+                current_conversion_r.raise_for_status()
+            except:
+                return 500
+            else:
+                current_conversion = current_conversion_r.json()
+                commodity = current_app.config["CRYPTOCURRENCIES"][form.payment.data][
+                    "COMMODITY"
+                ]
+                price = current_conversion[commodity][status.upper()]
         elif form.payment.data == "digicash":
             price = price * 100