diff --git a/abonapp/pay_systems.py b/abonapp/pay_systems.py
new file mode 100644
index 0000000..f4b7863
--- /dev/null
+++ b/abonapp/pay_systems.py
@@ -0,0 +1,108 @@
+from hashlib import md5
+from django.utils import timezone
+from mydefs import safe_int, safe_float
+from .models import Abon, AllTimePayLog
+from django.db import DatabaseError
+
+
+SERV_ID = 'y832r92y8f9e'
+SECRET = '302u8u3280'
+
+
+
+#payin.php?ACT=1&PAY_AMOUNT=2&PAY_ACCOUNT=13&PAY_ID=2&RECEIPT_NUM=24&TRADE_POINT=tr2&SIGN=c069de1e5469ff7078f00d1acd4c413d
+#?ACT=1&PAY_ACCOUNT=7120&SERVICE_ID=y832r92y8f9e&PAY_ID=3561234&TRADE_POINT=377&SIGN=C90A5138C3B54010FE711BBFC947327C
+
+def allpay(request):
+
+    def bad_ret(err_id):
+        current_date = timezone.now()
+        return "<?xml version='1.0' encoding='UTF-8'?>\n" \
+               "<pay-response>\n" \
+               "  <status_code>%d</status_code>\n" % safe_int(err_id) +\
+               "  <time_stamp>%s</time_stamp>\n" % current_date.strftime("%d.%m.%Y %H:%M:%S") +\
+               "</pay-response>"
+
+    try:
+        serv_id = request.GET.get('SERVICE_ID')
+        act = safe_int(request.GET.get('ACT'))
+        pay_account = safe_int(request.GET.get('PAY_ACCOUNT'))
+        pay_id = request.GET.get('PAY_ID')
+        pay_amount = safe_float(request.GET.get('PAY_AMOUNT'))
+        sign = request.GET.get('SIGN').lower()
+
+        # check sign
+        md = md5()
+        s = '_'.join((str(act), str(pay_account), serv_id or '', pay_id, SECRET))
+        md.update(bytes(s, 'utf-8'))
+        our_sign = md.hexdigest()
+        print('Signs:', our_sign, sign, s)
+        if our_sign != sign:
+            return bad_ret(-101)
+
+        if act <= 0: return bad_ret(-101)
+        if pay_account == 0: return bad_ret(-40)
+
+        if act == 1:
+            abon = Abon.objects.get(username=pay_account)
+            fio = abon.fio
+            ballance = float(abon.ballance)
+            current_date = timezone.now().strftime("%d.%m.%Y %H:%M:%S")
+            return "<?xml version='1.0' encoding='UTF-8'?>\n" \
+                    "<pay-response>\n" \
+                    "  <balance>%.2f</balance>\n" % ballance +\
+                    "  <name>%s</name>\n" % fio +\
+                    "  <account>%d</account>\n" % pay_account +\
+                    "  <service_id>%s</service_id>\n" % SERV_ID +\
+                    "  <min_amount>10.0</min_amount>\n" \
+                    "  <max_amount>50000</max_amount>\n" \
+                    "  <status_code>21</status_code>\n" \
+                    "  <time_stamp>%s</time_stamp>\n" % current_date +\
+                    "</pay-response>"
+        elif act == 4:
+            abon = Abon.objects.get(username=pay_account)
+            pays = AllTimePayLog.objects.filter(pay_id=pay_id)
+            if pays.count() > 0:
+                return bad_ret(-100)
+            AllTimePayLog.objects.create(
+                pay_id=pay_id,
+                summ=pay_amount
+            )
+            #TODO: тут в author надо передавать учётку автора платежа
+            abon.add_ballance(abon, pay_amount)
+            abon.save(update_fields=['ballance'])
+            current_date = timezone.now().strftime("%d.%m.%Y %H:%M:%S")
+            return "<?xml version='1.0' encoding='UTF-8'?>" \
+                   "<pay-response>\n" +\
+                   "  <pay_id>%s</pay_id>\n" % pay_id +\
+                   "  <service_id>%s</service_id>\n" % serv_id +\
+                   "  <amount>%.2f</amount>\n" % pay_amount +\
+                   "  <status_code>22</status_code>\n" +\
+                   "  <time_stamp>%s</time_stamp>\n" % current_date +\
+                   "</pay-response>"
+        elif act == 7:
+            pay = AllTimePayLog.objects.get(pay_id=pay_id)
+            current_date = timezone.now().strftime("%d.%m.%Y %H:%M:%S")
+            return "<?xml version='1.0' encoding='UTF-8'?>\n" \
+                   "<pay-response>\n" \
+                   "  <status_code>11</status_code>\n" \
+                   "  <time_stamp>%s</time_stamp>\n" % current_date +\
+                   "  <transaction>\n" \
+                   "    <pay_id>%s</pay_id>\n" % pay_id +\
+                   "    <service_id>%s</service_id>\n" % serv_id +\
+                   "    <amount>%.2f</amount>\n" % float(pay.summ) +\
+                   "    <status>111</status>\n" +\
+                   "    <time_stamp>%s</time_stamp>\n" % current_date +\
+                   "  </transaction>\n" \
+                   "</pay-response>"
+        else:
+            return bad_ret(-101)
+
+    except Abon.DoesNotExist:
+        return bad_ret(-40)
+    except DatabaseError:
+        return bad_ret(-90)
+    except AllTimePayLog.DoesNotExist:
+        return bad_ret(-10)
+    except AttributeError:
+        return bad_ret(-101)