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NATS Messaging API

Asynchronous messaging API supporting core pub-sub, request-reply, queue groups, and JetStream persistent messaging with streams, consumers, key-value stores, and object stores.

NATS Messaging API is one of 15 APIs that NATS publishes on the APIs.io network, described by an AsyncAPI event-driven specification.

This API exposes 1 JSON Schema definition.

Tagged areas include JetStream, Messaging, Pub Sub, and Streaming. The published artifact set on APIs.io includes API documentation, an AsyncAPI specification, and 1 JSON Schema.

This event API exposes 0 operations across 7 channels, and defines 7 schemas. It is described by AsyncAPI 3.0.0, at version 2.10.0.

The API connects through 3 servers: localhost:4222 (nats), localhost:6222 (nats), localhost:443 (ws).

0 operations 7 channels 7 schemas

Metadata

The identity and technical contract details declared by the specification.

Specification
AsyncAPI 3.0.0
API Version
2.10.0
Servers
localhost:4222 (nats)
localhost:6222 (nats)
localhost:443 (ws)
Contact
License

Messages & Schemas 7

The contract defines 7 schemas that model the data carried by its messages. Each schema is shown below with its type and property counts.

CoreNATSMessage
message
A basic NATS message with subject, payload, and optional headers
RequestMessage
message
A request message with an auto-generated reply subject
ReplyMessage
message
A reply message sent in response to a request
JetStreamMessage
message
A persistent message stored in a JetStream stream with delivery tracking and acknowledgment support
JetStreamPublishAck
message
Acknowledgment returned after a successful JetStream publish
KeyValueEntry
message
A key-value entry with revision tracking
ObjectStoreMeta
message
Metadata for an object stored in the Object Store

Specification

The full machine-readable AsyncAPI contract behind this narrative.

Source

nats-messaging-asyncapi.yml Raw ↑

Other APIs NATS publishes across the network.

NATS Monitoring API
NATS JetStream Management API
NATS Key-Value Store API
NATS Object Store API
NATS Accounts API
NATS Clustering API
NATS Connections API
NATS Gateways API
NATS Health API
NATS JetStream API
NATS Leaf Nodes API
NATS Routes API