MassTransit

aid: masstransit
name: MassTransit
description: MassTransit is a free, open source distributed application framework for .NET that makes it easy to create applications
  and services that leverage message-based, loosely-coupled asynchronous communication for higher availability, reliability,
  and scalability.
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- .NET
- Event-Driven
- Message Bus
- Messaging
- Open Source
- Sagas
url: https://raw.githubusercontent.com/api-evangelist/masstransit/refs/heads/main/apis.yml
created: '2026-03-26'
modified: '2026-04-28'
specificationVersion: '0.19'
apis:
- aid: masstransit:masstransit-messaging
  name: MassTransit Messaging Framework
  description: MassTransit provides a consistent abstraction on top of message transports like RabbitMQ, Azure Service Bus,
    and Amazon SQS, with support for sagas, state machines, routing slip activities, and a standardized message envelope format.
  humanURL: https://masstransit.io/
  tags:
  - .NET
  - Event-Driven
  - Message Bus
  - Messaging
  - Sagas
  properties:
  - type: Documentation
    url: https://masstransit.io/documentation/concepts
  - type: JSONSchema
    url: json-schema/masstransit-message-envelope.json
  - type: JSONSchema
    url: json-schema/masstransit-saga-state.json
common:
- type: Website
  url: https://masstransit.io/
- type: Documentation
  url: https://masstransit.io/documentation/concepts
- type: GettingStarted
  url: https://masstransit.io/quick-starts
- type: GitHub
  url: https://github.com/MassTransit/MassTransit
- type: Discord
  url: https://discord.gg/rNpQgYn
- type: NuGet
  url: https://www.nuget.org/packages/MassTransit
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com