diff --git a/addons/payment_asiapay/const.py b/addons/payment_asiapay/const.py
index eb2948846cb..b04c955b6e1 100644
--- a/addons/payment_asiapay/const.py
+++ b/addons/payment_asiapay/const.py
@@ -23,7 +23,7 @@ CURRENCY_MAPPING = {
     'SGD': '702',
     'THB': '764',
     'TWD': '901',
-    'USD': '702',
+    'USD': '840',
     'VND': '704',
 }
 
diff --git a/addons/payment_flutterwave/const.py b/addons/payment_flutterwave/const.py
index 4c57e2c01ea..c38618a1d55 100644
--- a/addons/payment_flutterwave/const.py
+++ b/addons/payment_flutterwave/const.py
@@ -1,29 +1,22 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 # The currencies supported by Flutterwave, in ISO 4217 format.
-# See https://support.flutterwave.com/en/articles/3632719-accepted-currencies.
+# See https://flutterwave.com/us/support/general/what-are-the-currencies-accepted-on-flutterwave.
+# Last website update: June 2022.
+# Last seen online: 24 November 2022.
 SUPPORTED_CURRENCIES = [
-    'ARS',
-    'BRL',
     'GBP',
     'CAD',
-    'CVE',
     'CLP',
     'COP',
-    'CDF',
     'EGP',
     'EUR',
-    'GMD',
     'GHS',
     'GNF',
     'KES',
-    'LRD',
     'MWK',
-    'MXN',
     'MAD',
-    'MZN',
     'NGN',
-    'SOL',
     'RWF',
     'SLL',
     'STD',
@@ -33,7 +26,6 @@ SUPPORTED_CURRENCIES = [
     'USD',
     'XAF',
     'XOF',
-    'ZMK',
     'ZMW',
 ]
 
diff --git a/addons/payment_mercado_pago/const.py b/addons/payment_mercado_pago/const.py
index c56a238d50d..c1db069839c 100644
--- a/addons/payment_mercado_pago/const.py
+++ b/addons/payment_mercado_pago/const.py
@@ -1,20 +1,22 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 # Currency codes of the currencies supported by Mercado Pago in ISO 4217 format.
-# See https://api.mercadopago.com/currencies.
+# See https://api.mercadopago.com/currencies. Last seen online: 24 November 2022.
 SUPPORTED_CURRENCIES = [
     'ARS',  # Argentinian Peso
+    'BOB',  # Boliviano
     'BRL',  # Real
-    'CLP',  # Chilean Peso
     'CLF',  # Fomento Unity
-    'MXN',  # Mexican Peso
+    'CLP',  # Chilean Peso
     'COP',  # Colombian Peso
     'CRC',  # Colon
     'CUC',  # Cuban Convertible Peso
     'CUP',  # Cuban Peso
     'DOP',  # Dominican Peso
+    'EUR',  # Euro
     'GTQ',  # Guatemalan Quetzal
     'HNL',  # Lempira
+    'MXN',  # Mexican Peso
     'NIO',  # Cordoba
     'PAB',  # Balboa
     'PEN',  # Sol