Summary information about a server as reported by about()

Unqualified function name resolved to multiple specs

Standard error envelope for the Xeto HTTP API

Xeto HTTP API version token as passed in the Xeto-Version header

Caller could not be authenticated

Summary of one filetype for content negotiation as reported by filetypes()

Function raised an unanticipated server side error

Request could not be parsed or arguments failed validation

URI path could not be parsed to valid endpoint

Summary of one library in the namespace as reported by libs()

HTTP method is not supported for the requested function

Request Accept header is missing is not supported by server

Requested capability is recognized but not implemented by server

Summary of one operation as reported by ops()

Caller is authenticated but lacks permission to call the function

Caller exceeded a rate limit or quota

Function exceeded the server's evaluation time limit and was cancelled

Operation is known but cannot service the request right now, such as a network route that is down

Entity id could not be resolved in the data store

URI function name could not be resolved in the namespace

URI project name could not be resolved to a runtime

Request Content-Type is missing or cannot be decoded

Xeto-Version header value was malformed or not supported

Return summary information about the server

Close the client's current session and release any server side resources held by it

List the filetypes available for content negotiation, one row per format sorted by name

List the libraries composing the server's namespace, one row per lib sorted by name

List the operations this server supports, one row per op

Read the first entity which matches filter

Read all entities which match the filter

Read an entity by id

Read a list of entities by their ids into a grid