Im creating a Online booking management system where i want to select all the Stops in the “from” and “to” dropdown-list. Im wondering if manually inputting all the way in the dropdown or can I call any API that can fetch me the details I want. If So I want to know the all the options

I searched but nothing came up so im raising this question here.If u guys came up with anything drop ur answers here and please mention the documentation of the API(if possible) as im new to this web developing