Protocol	Description	Documentation
HTTP	HTTP client/server functionalities to produce and consume HTTP APIs	HTTP client HTTP listener
gRPC	gRPC client/server functionalities to produce and consume gRPC APIs	gRPC client gRPC listener
WebSocket	WebSocket client/server functionalities to produce and consume WebSocket APIs	WebSocket client WebSocket listener
WebSub	APIs for the functionalities of the WebSub subscriber	WebSub listener
WebSubHub	APIs for the functionalities of the WebSubHub and WebSub publisher	WebSubHub listener WebSubHub publsiher client
GraphQL	GraphQL client/server functionalities to produce and consume GraphQL APIs	GraphQL client GraphQL listener
TCP	Send and receive messages to/from another application process (local or remote) over the connection-oriented TCP protocol	TCP client TCP listener
FTP/SFTP	FTP/SFTP client/server functionalities to facilitate file handling in a remote file system	FTP client FTP listener
SMTP	Send emails via the SMTP protocol using the SMTP client	SMTP client
POP3	Receive emails via the POP3 protocol using both clients and services	POP3 client POP3 listener
IMAP4	Receive emails via the IMAP4 protocol using both clients and services	IMAP4 client IMAP4 listener
JMS	Send and receive messages by connecting to a JMS provider	Message producer Message consumer Message listener
AMQP	Send and receive messages by connecting to the RabbitMQ server	RabbitMQ client RabbitMQ listener
AWS SQS	Perform operations related to queues and messages by connecting to AWS SQS	AWS SQS client
MQTT	Publish and subscribe messages by connecting to an MQTT server	MQTT client MQTT listener
SOAP	Send and receive messages by connecting to a SOAP service	SOAP client

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In the creation of Ballerina, we were inspired by many technologies. Thank you to all that have come before us (and forgive us if we missed one): Java, Go, C, C++, D, Rust, Haskell, Kotlin, Dart, TypeScript, JavaScript, Python, Perl, Flow, Swift, Elm, RelaxNG, NPM, Crates, Maven, Gradle, Kubernetes, Docker, Envoy, Markdown, GitHub, and WSO2.

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Supported network integration protocols