There are 2 repositories under w3c-api topic.
The W3C API
A JavaScript client for the W3C API
Payment Method Identifiers specification
Simple JS library to use the W3C API in a declarative way
A jQuery compatible API based on built-in ECMA / W3C polyfill
Driver for the uPort DID method
DID resolver for uPort identities DEPRECATED
Prototypes for “dynamic pages” :warning: Discontinued, not being maintained