A Software Development Kit (SDK) is available from the Brother Developer Center (https://support.brother.com/g/s/es/dev/en/index.html).

(TD-4210D) The b-PAC SDK can also be downloaded. (The SDKs available are subject to change without notice.)

(TD-4420DN/TD-4520DN) The b-PAC SDK and the SDKs for mobile devices (Android™, iPhone, and iPad) can also be downloaded. (The SDKs available are subject to change without notice.)

(TD-4410D) The b-PAC SDK and the SDKs for mobile devices (Android™ only) can also be downloaded. (The SDKs available are subject to change without notice.)