exists
Checks if the specified keys exist in the database.
Query Syntax
HTTP
URL: http://kuzzle:7512/ms/_exists?keys=key1,key2,...
Method: GET
Other protocols
{
"controller": "ms",
"action": "exists",
"keys": ["key1", "key2", "..."]
}
Arguments
keys
: list of keys to verify
Response
Returns the number of existing keys.
{
"requestId": "<unique request identifier>",
"status": 200,
"error": null,
"controller": "ms",
"action": "exists",
"collection": null,
"index": null,
"result": 1
}