Features of the Presto REST or Presto Connect APIs

Features	REST API	PC4JS
Use the language and library or your choice	yes
REST or JUMP protocol. The JUMP protocol from previous releases is supported in 3.0 and above, although REST is recommended as the preferred protocol for working with Presto. For more information on JUMP, see the About JUMP topic.	REST	REST
Asynchronous or synchronous connections	language / library specific	asynch
Number of users/requests per connection	language / library specific	1 user / + requests
Supports named parameters and ordered parameters	named only	named only
HTTP and HTTPS	language / library specific	yes
Can set HTTP headers in requests	language / library specific
Can access local and remote Presto Servers	yes	yes
Handles cross-domain requests (specific to remote servers and JavaScript)	requires additional code	yes
Handles authentication and session management	requires additional code	yes
Supports guest users (anonymous connections)	requires additional code	yes
Response formats	Native, JSON or XML, requires additional code	JSON or XML