diff --git a/crates/connector_configs/toml/development.toml b/crates/connector_configs/toml/development.toml
index ee5f3ba749..849da0d923 100644
--- a/crates/connector_configs/toml/development.toml
+++ b/crates/connector_configs/toml/development.toml
@@ -1325,6 +1325,10 @@ key1="Public Key"
 [nmi.connector_webhook_details]
 merchant_secret="Source verification key"
 
+[nmi.metadata]
+acquirer_bin = "Acquirer Bin"
+acquirer_merchant_id = "Acquirer Merchant ID"
+
 [nmi.metadata.google_pay]
 merchant_name="Google Pay Merchant Name"
 gateway_merchant_id="Google Pay Merchant Key"
diff --git a/crates/connector_configs/toml/sandbox.toml b/crates/connector_configs/toml/sandbox.toml
index b643f5a2fd..912949a315 100644
--- a/crates/connector_configs/toml/sandbox.toml
+++ b/crates/connector_configs/toml/sandbox.toml
@@ -1325,6 +1325,10 @@ key1="Public Key"
 [nmi.connector_webhook_details]
 merchant_secret="Source verification key"
 
+[nmi.metadata]
+acquirer_bin = "Acquirer Bin"
+acquirer_merchant_id = "Acquirer Merchant ID"
+
 [nmi.metadata.google_pay]
 merchant_name="Google Pay Merchant Name"
 gateway_merchant_id="Google Pay Merchant Key"