Document APIs
This section starts with a short introduction to Elasticsearch’s data replication model, followed by a detailed description of the following CRUD APIs:
Single document APIs
Index API
Get API
Delete API
Update API
Multi-document APIs
Multi Get API
Bulk API
Delete By Query API
Update By Query API
Reindex API
All CRUD APIs are single-index APIs. The index parameter accepts a single index name, or an alias which points to a single index.