To get a list of devices that are registered with a given channel, you must use the REST API (there are no SDKs that implement this API) and you must sign the request using your PubNub secret key.
the subscriber key from your PubNub key set
indicates the mobile push vendor to use;
a unique alphanumeric ID for identifying the client to the PubNub Network
string (required) Example: 'v2rgQQ1eFzk8omugFV9V1_eKRUvvMv9jyC9ZL1ogdw%3D'
a signed request as explained below.
Signing a Request
Let’s imagine the demo account’s secret key is:
The signature generated for this request is Base64 encoded using the "URL safe" characters
This signature is then percent-encoded according to standard query parameter percent-encoding practices. E.g. the
= character is transformed into