Near-Field Communication (NFC) is a short-range radio technology. Mbed OS supports NFC card emulation through a controller or NFC EEPROM:
The common data format for an NFC message is an NDEF message. An NDEF message is a collection of separate NDEF records. Each of these records is defined by a type, such as URI, Mime and Text, that identifies a payload and what the record contains.
Mbed OS provides this API to construct and parse NDEF messages: