fuel-pump-inventories Async POST APIs

• /fuel-pump-inventories-expense-categories-post-one
• /fuel-pump-inventories-gas-stations-post-one
• /fuel-pump-inventories-payment-methods-post-one
• /fuel-pump-inventories-pumps-post-one
• /fuel-pump-inventories-purchase-orders-post-one
• /fuel-pump-inventories-sales-invoices-post-one