First of all, to have access to the APIs in the sandbox version, the user must register in our API Market. For that, by means of a valid email, you must enter your data and confirm the registration with a confirmation link. Once registered, you can start creating your own Applications, with the sandbox version API Products exposed in the portal. Finally, to obtain access to API Products in productive version, the user must make a request to Bci which will be duly analyzed and communicated.