| N1QL | Execute N1QL queries and receive resultant rows |
| vBucket | |
| Views (Map-Reduce) | Higher level API which splits view results into rows |
| Initialization | |
| ▼Key/Value | Preview APIs for performing commands |
| Read | Retrieve a document from the cluster |
| Read (Replica) | Retrieve a document from a replica if it cannot be fetched from the primary |
| Create/Update | Set the value of a document |
| Delete | Remove documents from the cluster |
| MULTICMD API | |
| Durability | Ensure persistence and mutation of documents |
| Mutation Tokens | |
| Counters | Manipulate the numeric content of a document |
| Lock/Unlock | |
| Touch/Expiry | Modify or clear a document's expiration time |
| Miscellaneous Commands | Additional miscellaneous commands which can be executed on the server |
| Flush | Clear the contents of a bucket |
| HTTP Client | Access Couchbase HTTP APIs |
| User Cookies | Associate user-defined data with operations |
| Waiting | Functions for synchronous I/O execution |
| Advanced Scheduling | Additional functions for scheduling operations |
| Destroying | Library destruction routines |
| Cluster Information | These functions return status information about the handle, the current connection, and the number of nodes found within the cluster |
| ▼Settings | Get/Set Library Options |
| Setting List | Adjust tunables for the client |
| Timings | Determine how long operations are taking to be completed |
| Build Information | Get library version and supported features |
| Legacy Key-Value API | Operate on one or more key values |
| Error Codes | Status codes returned by the library |
| ▼Network I/O | |
| libevent | Libev integration |
| libev | Libev integration |
| libuv | Libuv integration |
| Raw packet forwarding and dispatch routines | These functions perform packet forwarding functions to send and receive raw packets |
| Sub-Document API | Experimental in-document API access |
1.8.10 
