diff --git a/api/orders/submitCash.cfm b/api/orders/submitCash.cfm
new file mode 100644
index 0000000..b03bdc6
--- /dev/null
+++ b/api/orders/submitCash.cfm
@@ -0,0 +1,110 @@
+<cfsetting showdebugoutput="false">
+<cfsetting enablecfoutputonly="true">
+
+<cffunction name="readJsonBody" access="public" returntype="struct" output="false">
+  <cfset var raw = getHttpRequestData().content>
+  <cfif isNull(raw) OR len(trim(raw)) EQ 0>
+    <cfreturn {}>
+  </cfif>
+  <cftry>
+    <cfset var data = deserializeJSON(raw)>
+    <cfif isStruct(data)>
+      <cfreturn data>
+    <cfelse>
+      <cfreturn {}>
+    </cfif>
+    <cfcatch>
+      <cfreturn {}>
+    </cfcatch>
+  </cftry>
+</cffunction>
+
+<cffunction name="apiAbort" access="public" returntype="void" output="true">
+  <cfargument name="payload" type="struct" required="true">
+  <cfcontent type="application/json; charset=utf-8">
+  <cfoutput>#serializeJSON(arguments.payload)#</cfoutput>
+  <cfabort>
+</cffunction>
+
+<cfset data = readJsonBody()>
+<cfset OrderID = val( structKeyExists(data,"OrderID") ? data.OrderID : 0 )>
+<cfset CashAmount = val( structKeyExists(data,"CashAmount") ? data.CashAmount : 0 )>
+<cfset Tip = val( structKeyExists(data,"Tip") ? data.Tip : 0 )>
+
+<cfif OrderID LTE 0>
+  <cfset apiAbort({ "OK": false, "ERROR": "missing_orderid", "MESSAGE": "OrderID is required." })>
+</cfif>
+
+<cfif CashAmount LTE 0>
+  <cfset apiAbort({ "OK": false, "ERROR": "missing_amount", "MESSAGE": "CashAmount is required." })>
+</cfif>
+
+<cftry>
+  <!--- Get order details --->
+  <cfset qOrder = queryExecute(
+    "SELECT ID, StatusID, UserID, BusinessID, ServicePointID, PaymentID
+     FROM Orders WHERE ID = ? LIMIT 1",
+    [ { value = OrderID, cfsqltype = "cf_sql_integer" } ],
+    { datasource = "payfrit" }
+  )>
+
+  <cfif qOrder.recordCount EQ 0>
+    <cfset apiAbort({ "OK": false, "ERROR": "not_found", "MESSAGE": "Order not found." })>
+  </cfif>
+
+  <cfif qOrder.StatusID NEQ 0>
+    <cfset apiAbort({ "OK": false, "ERROR": "bad_state", "MESSAGE": "Order is not in cart state." })>
+  </cfif>
+
+  <!--- Create Payment record with cash amount --->
+  <cfset PaymentUUID = createUUID()>
+  <cfset qInsertPayment = queryExecute(
+    "INSERT INTO Payments (
+       UUID,
+       PaymentPaidInCash,
+       PaymentSentByUserID,
+       PaymentOrderID,
+       PaymentTip,
+       CreatedOn
+     ) VALUES (?, ?, ?, ?, ?, NOW())",
+    [
+      { value = PaymentUUID, cfsqltype = "cf_sql_varchar" },
+      { value = CashAmount, cfsqltype = "cf_sql_decimal" },
+      { value = qOrder.UserID, cfsqltype = "cf_sql_integer" },
+      { value = OrderID, cfsqltype = "cf_sql_integer" },
+      { value = Tip, cfsqltype = "cf_sql_decimal" }
+    ],
+    { datasource = "payfrit", result = "insertResult" }
+  )>
+
+  <cfset PaymentID = insertResult.generatedKey>
+
+  <!--- Update order: link payment, set status to submitted, payment pending --->
+  <cfset queryExecute(
+    "UPDATE Orders
+     SET StatusID = 1,
+         PaymentID = ?,
+         PaymentStatus = 'pending',
+         Tip = ?,
+         SubmittedOn = NOW(),
+         LastEditedOn = NOW()
+     WHERE ID = ?",
+    [
+      { value = PaymentID, cfsqltype = "cf_sql_integer" },
+      { value = Tip, cfsqltype = "cf_sql_decimal" },
+      { value = OrderID, cfsqltype = "cf_sql_integer" }
+    ],
+    { datasource = "payfrit" }
+  )>
+
+  <cfset apiAbort({ "OK": true, "OrderID": OrderID, "PaymentID": PaymentID, "MESSAGE": "Order submitted with cash payment." })>
+
+  <cfcatch>
+    <cfset apiAbort({
+      "OK": false,
+      "ERROR": "server_error",
+      "MESSAGE": "Failed to submit cash order",
+      "DETAIL": cfcatch.message
+    })>
+  </cfcatch>
+</cftry>