Yes, we do. We provide full REST API that allows you to control virtually any step in Rapidus delivery process. It's not open to public, yet, but we offer early access to qualified developers. Drop us a line if you are interested.
We are also testing Web widget that can be integrated with majority of ecommerce platforms and offer same day delivery to your customers. If you are interested in trying it out, also, please contact us. You will get a unique opportunity to shape this offering to match your individual needs.