# Querying

The Querying API is responsible for fetching multiple pages of results sequentially. <br></br> The Querying API supports the following operators:
  - `Equals`
  - `NotEquals`
  - `Gt`
  - `Lt`
  - `Gte`
  - `Lte`
  - `Contains`
  - `StartsWith`
  - `EndsWith`

## Retrieve entities using a query string

 - [POST /api/entities/query](https://api-docs.sitecore.com/ch/querying-api/querying/entitiesbyqueryv3.md): Lists entities that match the query in a request body. The query filter supports multiple types, each with specific properties:
#### Composite filter
Combines multiple filters using a logical operator (, ).
- Required - , , 
- Example - 
#### Not filter
Negates a child filter.
- Required - , 
- Example - 
#### Property filter
Filters entities by a property value.
- Required - , , , , 
- Optional -  (for localized properties)
- Example - 
#### Relation filter
Filters entities by a relation.
- Required - , 
- Optional -  or 
- Example - 
#### CreatedBy filter
Filters entities by the user who created them.
- Required - , 
- Example - 

#### ModifiedBy filter
Filters entities by the user who last modified them.
- Required - , 
- Example - 

#### SecuredAncestors filter
Filters entities by their secured ancestor.
- Required - , 
- Example - 
#### ID filter
Filters entities by their ID.
- Required - , , 
- Example - 

#### Identifier filter
Filters entities by their identifier.
- Required - , , 
- Example - 
#### Definition filter
Filters entities by their entity definition.
- Required - , , 
- Example - 

#### Modules filter
Filters entities by the modules they belong to.
- Required - , 
- Example - 

#### CreatedOn filter
Filters entities by their creation date.
- Required - , ,  (ISO 8601 format)
- Example - 

#### ModifiedOn filter
Filters entities by their last modification date.
- Required - , ,  (ISO 8601 format)
- Example - 

## Retrieve entities using a scroll-based query

 - [POST /api/entities/scroll](https://api-docs.sitecore.com/ch/querying-api/querying/entitiesbyscrollv3.md): Lists all entities using a scroll-based query for efficient large result set traversal.

## Retrieve entities using a search query

 - [POST /api/entities/searchAfter](https://api-docs.sitecore.com/ch/querying-api/querying/entitiesbysearchafterv3.md): Lists all entities that match the criteria. This endpoint supports sorted pagination using the  property. {% admonition type="info" name="Note" %}For more information, see query operators, filters, and examples.{% /admonition %}