Apache Pulsar

Apache Pulsar Messaging API

Pulsar messaging protocol for producing and consuming messages on topics, with support for multiple subscription types (Exclusive, Shared, Failover, Key_Shared), schema enforcement, and both persistent and non-persistent topics.

GitHub

Documentation

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Documentation
https://pulsar.apache.org/docs/next/client-libraries/

Specifications

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AsyncAPI
https://raw.githubusercontent.com/api-evangelist/apache-pulsar/refs/heads/main/asyncapi/pulsar-messaging.yml

Schemas & Data

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JSONSchema
https://raw.githubusercontent.com/api-evangelist/apache-pulsar/refs/heads/main/json-schema/pulsar-message.json