apoc.schema.node.indexExists
Function

This function is not considered safe to run from multiple threads. It is therefore not supported by the parallel runtime. For more information, see the Cypher Manual → Parallel runtime.
Prior to the release of APOC 2025.07, this function was restricted on on-premise instances. To use it on an older version, it must be unrestricted. For more details, see Installation → Load and unrestrict.

Details
Syntax	`apoc.schema.node.indexExists(labelName, propertyName)`
Description	Returns a `BOOLEAN` depending on whether or not an index exists for the given `NODE` label with the given property names.
Arguments	Name	Type	Description
	`labelName`	`STRING`	The node label to check for an index on.
	`propertyName`	`LIST<STRING>`	The property names to check for an index on.
Returns	`BOOLEAN`

Usage Examples

The examples in this section are based on a database that has applied the following constraints:

CREATE CONSTRAINT personName FOR (person:Person)
REQUIRE person.name IS UNIQUE;

CREATE CONSTRAINT userId FOR (user:User)
REQUIRE user.id IS UNIQUE;

CREATE INDEX personCity FOR (person:Person)
ON (person.city);

RETURN apoc.schema.node.indexExists("Person", ["name"]) AS output;

Results
output
TRUE

RETURN apoc.schema.node.indexExists("Person", ["city"]) AS output;

Results
output
TRUE

More documentation of apoc.schema.node.indexExists