# Apache Pulsar

**Canonical:** https://apis.io/apis/events/apache-pulsar/  
**Provider:** Events — https://apis.io/providers/events/  
**Documentation:** https://pulsar.apache.org

Apache Pulsar is one of 18 APIs that [Events](https://apis.io/providers/events/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Brokers, Streaming, Open-Source, and Apache. The published artifact set on APIs.io includes API documentation and a GitHub repository.

Open-source distributed messaging and streaming platform built for the cloud. Top-10 Apache Software Foundation project (740+ contributors, current version 4.2). Multi-tenant by design (tenants, namespaces, topics, subscriptions), supports both queue and pub/sub messaging models, layered architecture separates stateless brokers from BookKeeper storage. Includes Pulsar Functions (serverless processing) and Pulsar IO (connectors).

## Machine-readable artifacts (3)

- **Portal** — https://pulsar.apache.org
- **Documentation** — https://pulsar.apache.org/docs
- **GitHubRepository** — https://github.com/apache/pulsar

## Other Events APIs (12)

- [CloudEvents](https://apis.io/apis/events/cloudevents/)
- [AsyncAPI](https://apis.io/apis/events/asyncapi/)
- [Apache Kafka](https://apis.io/apis/events/apache-kafka/)
- [NATS](https://apis.io/apis/events/nats/)
- [Redpanda](https://apis.io/apis/events/redpanda/)
- [IBM MQ](https://apis.io/apis/events/ibm-mq/)
- [AWS EventBridge](https://apis.io/apis/events/aws-eventbridge/)
- [Azure Event Grid](https://apis.io/apis/events/azure-event-grid/)
- [Google Cloud Pub/Sub](https://apis.io/apis/events/google-cloud-pubsub/)
- [Confluent Cloud](https://apis.io/apis/events/confluent-cloud/)
- [Confluent Schema Registry](https://apis.io/apis/events/confluent-schema-registry/)
- [Apicurio Registry](https://apis.io/apis/events/apicurio-registry/)

## Tags

Brokers, Streaming, Open-Source, Apache

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/events/apache-pulsar/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/events/.