Miscellaneous
Checksum APIs
CRC
Structured Data APIs
JSON
JWT
JSON Web Tokens (JWT) are an open, industry standard [RFC 7519](https://tools.ietf.org/html/rfc7519) method for representing claims securely between two parties. Although JWT is fairly flexible, this API is limited to creating the simplistic tokens needed to authenticate with the Google Core IoT infrastructure.
Identifier APIs
UUID
Universally Unique Identifiers (UUID), also known as Globally Unique IDentifiers (GUIDs) are an open, industry standard [RFC 9562](https://tools.ietf.org/html/rfc9562) 128 bits long identifiers intended to guarantee uniqueness across space and time.