Pulsar Client Feature Matrix
To get more information on clients, see Pulsar Client Libraries.
Client
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Java
C++
Go
Python
Node.js
C#/DotPulsar
.NET (C#/F#/VB)
Websocket
REST
TLS encryption
Authentication
JWT
mTLS
Kerberos
OAuth2
Athenz
HTTP Basic
Transaction
Cluster-level failover
Multi-host service
Statistics
Proxy
Reconnection
Feature
Producer
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Java
C++
Go
Python
Node.js
C#/DotPulsar
.NET (C#/F#/VB)
Websocket
REST
Batching
Chunking
Delayed message delivery
Compression
LZ4
ZLIB
ZSTD
SNAPPY
Schema
Primitive
Avro
JSON
Protobuf
Protobuf-native
Native avro
KeyValue
Autoschema
Transaction
End-to-end encryption
Sync | Async Send
Feature
Consumer
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Java
C++
Go
Python
Node.js
C#/DotPulsar
.NET (C#/F#/VB)
Websocket
REST
ACK
Batch-Index ACK
ACK Timeout
NACK
NACK Backoff
Batching
Chunking
Seek
by timestamp
by messageID
Inclusive/Non-inclusive
Subscription type
Subscription mode
Retry letter topic
Dead letter topic
Compression
LZ4
ZLIB
ZSTD
SNAPPY
Compaction
Schema
Primitive
Avro
Feature
Reader
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🚫
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Java
C++
Go
Python
Node.js
C#/DotPulsar
.NET (C#/F#/VB)
Websocket
REST
Batching
Chunking
Seek
by timestamp
by messageID
Inclusive/Non-inclusive
Compression
LZ4
ZLIB
ZSTD
Feature
TableView
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✅
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Java
C++
Go
Python
Node.js
C#/DotPulsar
.NET (C#/F#/VB)
Websocket
REST
Compaction
Schema
Primitive
Avro
JSON
Protobuf
Feature
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