No. 9 of 39 ·Message Broker Software

IronMQ

Web · Linux · Self-hosted · API · paid plans from $399/mo

Freedom report

Two barsScore 6.5

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely2 of 6 device platforms
DocumentedPlans, terms and facts published

IronMQ is ranked #9 of 39 in message broker software on Freedom251. It runs on API, Linux, Self-hosted, Web. There is a free plan. A free trial is offered. Paid plans start at $399/mo.

IronMQ plans and pricing

All plans

Basic Free Public cluster · 100K API requests/mo · reduced redundancy · limited rate and queues · 64k message size · basic support try.iron.io · 7 Oct 2026

Entry $399/mo $399/mo Dedicated 1 node · 100M API requests/mo · reduced redundancy · 3,000/s · limited queues · 128k message size · standard support try.iron.io · 7 Oct 2026

Standard $799/mo $799/mo Dedicated cluster · 200M API requests/mo · highly redundant · 10,000/s · unlimited queues · 256k message size · standard support try.iron.io · 7 Oct 2026

Premium $1,249/mo $1,249/mo Dedicated cluster · 500M API requests/mo · highly redundant · configurable rate/s · unlimited queues · 512k message size · premium support try.iron.io · 7 Oct 2026

Enterprise Not published Contact for Quote Dedicated or on-premise · unlimited requests · highly redundant · configurable rate/s · unlimited queues · custom message size · enterprise support try.iron.io · 7 Oct 2026

Compared on message broker software

Free plan: Yes
Paid from: $399/mo
Deployment model: hybrid
Dead-letter queues: Yes
Ordering guarantees: per_queue
Supported protocols: HTTP/REST, Amazon SQS, OpenStack Marconi

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The record

Purpose: IronMQ is a persistent message queue for communication between services and components in distributed applications.
Delivery: The maker describes delivery as best-effort one-time delivery.
Queue modes: IronMQ supports push queues, pull queues, long polling, error queues, alerts, and triggers.
Failover: Queues can automatically point to alternative availability zones during an outage without code changes.
API: IronMQ uses HTTPS and REST-based APIs.
Deployments: The maker offers shared, dedicated, and on-premise deployment options.
Integrations: The developer documentation lists Amazon SQS Protocol integration and client libraries for Go, Ruby, .NET, Java, PHP, Python, Node, and Rust.
Community libraries: The client libraries page also lists community-supported Apache Camel and Clojure libraries.
Security: The FAQ says Iron.io uses OAuth authentication and SSL to protect data in transit, and recommends client-side encryption for especially sensitive payloads at rest.
Trial: The pricing page advertises a free full-feature 14-day trial and says it is available only for non-dedicated clusters.
Plan limits: The Basic plan includes 100K API requests per month, limited queues, and a 64k message size limit; overage charges apply above plan request amounts.
Support: The pricing page lists basic, standard, premium, and enterprise support by plan, and the product page cites 24/7 customer service for enterprise customers.
Intended users: The maker positions Enterprise for mission-critical applications requiring custom configurations and compliance requirements.
Founded: 2010
Price from: $399/mo

Where it ranks on Freedom251

Best Message Broker Software in 2026#9 of 39

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Sources

iron.io/mq· checked 7 Oct 2026
dev.iron.io/mq/3/· checked 7 Oct 2026
dev.iron.io/mq/3/libraries/· checked 7 Oct 2026
dev.iron.io/faq/· checked 7 Oct 2026
try.iron.io/pricing-mq-monthly/· checked 7 Oct 2026