diff --git a/eopayment/__init__.py b/eopayment/__init__.py
index d30d79d..8d9e020 100644
--- a/eopayment/__init__.py
+++ b/eopayment/__init__.py
@@ -247,3 +247,9 @@ class Payment(object):
     @property
     def has_payment_status(self):
         return hasattr(self.backend, 'payment_status')
+
+    def get_minimal_amount(self):
+        return getattr(self.backend, 'minimal_amount', None)
+
+    def get_maximal_amount(self):
+        return getattr(self.backend, 'maximal_amount', None)
diff --git a/eopayment/payfip_ws.py b/eopayment/payfip_ws.py
index 1503462..34ad98e 100644
--- a/eopayment/payfip_ws.py
+++ b/eopayment/payfip_ws.py
@@ -17,6 +17,7 @@
 from __future__ import print_function, unicode_literals
 
 import copy
+import decimal
 import datetime
 import functools
 import os
@@ -201,6 +202,9 @@ class Payment(PaymentCommon):
 
     min_time_between_transactions = 60 * 20  # 20 minutes
 
+    minimal_amount = decimal.Decimal('1.0')
+    maximal_amount = decimal.Decimal('100000.0')
+
     def __init__(self, *args, **kwargs):
         super(Payment, self).__init__(*args, **kwargs)
         self.payfip = PayFiP()
diff --git a/eopayment/tipi.py b/eopayment/tipi.py
index c734db2..d6a9e2a 100644
--- a/eopayment/tipi.py
+++ b/eopayment/tipi.py
@@ -15,6 +15,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import datetime
+import decimal
 import re
 import random
 
@@ -76,6 +77,9 @@ class Payment(PaymentCommon):
 
     REFDET_RE = re.compile('^[a-zA-Z0-9]{6,30}$')
 
+    minimal_amount = decimal.Decimal('1.0')
+    maximal_amount = decimal.Decimal('100000.0')
+
     def _generate_refdet(self):
         return '%s%010d' % (datetime.datetime.now(pytz.timezone('Europe/Paris')).strftime('%Y%m%d%H%M%S'),
                             random.randint(1, 1000000000))
diff --git a/tests/test_base_payment.py b/tests/test_base_payment.py
index 5909db5..b1f25fe 100644
--- a/tests/test_base_payment.py
+++ b/tests/test_base_payment.py
@@ -118,3 +118,13 @@ def test_payment_status(monkeypatch):
 def test_get_min_time_between_transaction(monkeypatch):
     _, payment = do_mock_backend(monkeypatch)
     assert payment.get_min_time_between_transactions() == 0
+
+
+def test_get_minimal_amount(monkeypatch):
+    _, payment = do_mock_backend(monkeypatch)
+    assert payment.get_minimal_amount() is None
+
+
+def test_get_maximal_amount(monkeypatch):
+    _, payment = do_mock_backend(monkeypatch)
+    assert payment.get_maximal_amount() is None
diff --git a/tests/test_payfip_ws.py b/tests/test_payfip_ws.py
index b1ce47f..9f391b1 100644
--- a/tests/test_payfip_ws.py
+++ b/tests/test_payfip_ws.py
@@ -484,3 +484,11 @@ def test_invalid_transaction_id_invalid_orderid(get_idop, backend):
 
 def test_get_min_time_between_transactions(backend):
     assert backend.get_min_time_between_transactions() == 20 * 60
+
+
+def test_get_minimal_amount(backend):
+    assert backend.get_minimal_amount() is not None
+
+
+def test_get_maximal_amount(backend):
+    assert backend.get_maximal_amount() is not None
diff --git a/tests/test_tipi.py b/tests/test_tipi.py
index d1b48a3..84cd906 100644
--- a/tests/test_tipi.py
+++ b/tests/test_tipi.py
@@ -115,3 +115,16 @@ def test_tipi_orderid_not_refdef_compatible():
     assert parsed_qs['refdet'][0].startswith(datetime.datetime.now().strftime('%Y%m%d'))
     assert 'coucou' in parsed_qs['objet'][0]
     assert 'F12-12-12' in parsed_qs['objet'][0]
+
+
+@pytest.fixture
+def payment():
+    return eopayment.Payment('tipi', {'numcli': '12345'})
+
+
+def test_get_minimal_amount(payment):
+    assert payment.get_minimal_amount() is not None
+
+
+def test_get_maximal_amount(payment):
+    assert payment.get_maximal_amount() is not None