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Middleware

What Middleware is
Middleware is a full-stack observability platform for monitoring infrastructure, applications, and real-user activity, with an AI SRE Agent to help detect and resolve issues. Its listed products include infrastructure monitoring, logs, APM, metrics, distributed tracing, database monitoring, RUM, synthetic monitoring, browser testing, and LLM observability. OpsAI capabilities include root cause analysis, automatic issue detection, faster issue solving, and automatic PR generation. The Free Forever plan includes up to 100GB of data, 1k RUM sessions, 20k synthetic checks, 10 browser test runs, and 2 million OpsAI tokens, with 14-day retention and community support. Pay As You Go is listed at $0.30 a month, billed based on use, with default 30-day retention; the pricing notes list charges for RUM sessions, synthetic checks, and browser test runs. Middleware advertises 450+ integrations, provides a Public API, and supports hybrid deployment. It says customer data is encrypted at rest and in transit using TLS 1.2+ and AES-256. The service is listed for Android, iOS, Linux, macOS, Windows, web, and API.
Who it suits
It suits organizations seeking observability across infrastructure, applications, and real-user activity. The plan options include a free tier with community support and BYOC with 24x7 support and a dedicated account team.
What it does well
- Free Forever includes up to 100GB of data.
- Lists 450+ built-in integrations.
- Includes distributed tracing and real-user monitoring.
- States encryption at rest and in transit.
What to know first
- Free tier data retention is 14 days.
- Free Forever support is community based.
- Pay As You Go is billed based on usage.
Limits
Free Forever includes up to 100GB of data, 1k RUM sessions, 20k synthetic checks, 10 browser test runs, and 2 million OpsAI tokens, with 14-day data retention. Pay As You Go has default 30-day retention and usage-based charges listed for RUM sessions, synthetic checks, and browser test runs.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Free Forever | monthly included usage · 100 GB data · 1,000 RUM sessions · 20,000 synthetic checks · 10 browser test runs · 2 million OpsAI tokens · unlimited users · 14-day retention | Free |
| Pay As You Go | usage-based; $0.3 per GB of metrics, logs and traces · $1 per 1,000 RUM sessions · $1 per 5,000 synthetic checks · $10 per 1,000 browser-test runs · 30-day retention · SSO and security features | $0.30 a month |
| BYOC | custom contract · volume discounts · dedicated account team · custom retention · bring your own cloud · 24x7 support | On request |
As middleware.io lists them, read 14 Oct 2026. The maker's own page has the final word.
Getting started
- Open middleware.io.
- Choose the Free Forever plan or review the Pay As You Go and BYOC options.
- Use an available platform: Android, iOS, Linux, macOS, Windows, web, or API.
- Connect through one of the advertised integrations or consult the Public API documentation.
Overview
Middleware is an observability platform for teams that want infrastructure, application, and user-experience monitoring in one product range. Its breadth is the main draw; teams with narrow monitoring needs may find more coverage than they need.
It combines monitoring signals with OpsAI tools for issue detection and investigation. The trade-off is that free usage is capped and data retention is short, so teams should assess expected volume and retention needs before settling on a plan.
Key features
Broad observability coverage
Middleware spans infrastructure monitoring, logs, APM, metrics, distributed tracing, database monitoring, RUM, synthetic monitoring, browser testing, and LLM observability. Transaction tracing, dependency mapping, and log correlation add ways to connect activity across components. That breadth suits teams trying to bring several observability needs together; a team seeking only one monitoring function may have little reason to choose a platform with this range.
Issue investigation and integrations
OpsAI includes root cause analysis, automatic issue detection, faster issue solving, and automatic PR generation. These capabilities target investigation and follow-up as well as monitoring, which may be useful to teams looking to streamline incident work. Middleware also advertises more than 450 built-in integrations across areas including cloud, containers, databases, infrastructure, networking, and telemetry. A Public API is documented for teams that need API access.
Security and deployment
Middleware describes its deployment model as hybrid. It says customer data is encrypted in transit with TLS 1.2+ and at rest with AES-256, and that it conducts regular penetration testing and vulnerability assessments. Its stated safeguards also include network firewalls, intrusion detection and prevention, and traffic filtering.
Pricing
Middleware has a free plan, usage-based paid pricing, and a custom-priced BYOC option. A 14-day trial is offered. The free tier gives unlimited users, community-based support, and up to 100GB of data, 1k RUM sessions, 20k synthetic checks, 10 browser test runs, and 2 million OpsAI tokens. Its 14-day retention is the key constraint for teams that need to investigate older events.
Pay As You Go costs $0.30 a month and charges only for usage. RUM sessions cost $1 per 1K, synthetic checks $1 per 5K, and browser test runs $10 per 1K. The plan has default 30-day retention, SSO and security features, and a dedicated Slack or MS Teams channel. Compared with Free Forever, it offers longer retention and paid usage rather than the stated free-tier caps; variable charges mean teams should account for their usage. Accounts can be cancelled anytime, and data is retained for 30 days after cancellation for download.
BYOC has custom pricing, with volume and multi-year contract discounts, custom data retention, bring-your-own-cloud deployment, 24x7 support, and a dedicated account team. It is aimed at organizations needing those deployment and support arrangements, rather than teams seeking a fixed public price.
Platforms
Middleware supports Android, iOS, Linux, macOS, Windows, and web, and also lists API support. Its hybrid deployment model offers another option for organizations balancing cloud and other infrastructure needs.
Who it's for
Middleware is best suited to organizations that want a wide monitoring scope, from infrastructure and databases through application performance and real-user activity, with investigation capabilities alongside it. The free tier can suit an early evaluation or modest usage, while its per-use billing and BYOC option address different scaling and deployment needs. Teams with strict long-term retention requirements should weigh the free tier's 14-day window, and buyers seeking a single-purpose tool may prefer a narrower fit.
Pros and cons
- Broad coverage: Infrastructure, APM, logs, tracing, RUM, synthetic monitoring, browser testing, and LLM observability sit within one product range.
- Generous free-tier user access: Unlimited users avoid a seat cap, though data, session, check, test-run, token, and retention limits still apply.
- Substantial integration breadth: More than 450 built-in integrations can help teams connect varied monitoring environments.
- Free-tier retention is brief: Fourteen days may not suit investigations that need a longer history.
- Usage charges can vary: RUM, synthetic checks, and browser testing have separate rates, so costs depend on activity.
- BYOC price is custom: Teams must seek a tailored arrangement rather than compare it against a published fixed price.
Alternatives
Consider Elastic Observability if you want an alternative with a free plan and usage-based serverless pricing for logs and traces, starting at $0.09/.
Grafana Cloud Application Observability may suit teams comparing a free allowance of 2,232 host hours with a Pro plan priced at $0.025 per host hour and a $19 monthly platform fee.
New Relic Kubernetes Monitoring is worth considering for a Kubernetes-focused option with a free data-ingest allowance and a Pro annual commitment at $349 a year.
Uptrace offers a free cloud allowance of 50 GB per month, then $0.075 per GB, which may appeal to teams comparing volume-based cloud pricing.
groundcover is another freemium option, with a free plan that includes 12-hour retention and BYOC.
Honeycomb may fit teams evaluating event and metrics allowances, with its free plan covering up to 20M events per month and 100M metrics data points per month.
KloudMate offers a free plan with stated monthly log and trace quotas and seven-day retention, useful for comparing a more limited free-tier window.
SigNoz is an alternative to consider if you are comparing a self-hosted community option.
For broader category comparisons, browse Observability Platforms, Application Performance Monitoring, DevOps analytics software, Kubernetes Monitoring, Real User Monitoring, and Continuous Profiling Tools.
Verdict
Choose Middleware if your organization wants broad observability coverage, extensive integrations, and issue-investigation capabilities under one umbrella. Its free plan lowers the barrier to trying that range, but the retention window and usage quotas are real constraints. Look elsewhere if you need longer history on a free tier, a narrowly focused monitoring tool, or a fixed price that is easier to forecast.
Verdict
Middleware covers a broad set of monitoring and observability products, with a free plan and a usage-billed option. Check the plan limits and retention period against your needs.
Questions
Does Middleware have a free plan?
Yes. Free Forever is listed as free and includes unlimited users with community based support.
What are the Free Forever usage limits?
The plan includes up to 100GB of data, 1k RUM sessions, 20k synthetic checks, 10 browser test runs, and 2 million OpsAI tokens.
How much does Pay As You Go cost?
It is listed at $0.30 a month and bills based on usage. Listed charges include $1 per 1K RUM sessions, $1 per 5K synthetic checks, and $10 per 1K browser test runs.
Which platforms and deployment model does Middleware support?
It is listed for Android, iOS, Linux, macOS, Windows, web, and API, with hybrid deployment.
How long is data retained?
The free tier retains data for 14 days, and Pay As You Go has default 30-day retention. BYOC has custom data retention.
What integrations and API access are available?
Middleware advertises more than 450 built-in integrations and lists a Public API in its documentation.
Facts from Middleware's own pages
- API
- Middleware's documentation lists a Public API and links to API documentation. · docs.middleware.io, 30 Sept 2026
- APM and tracing
- Application monitoring provides distributed traces, dependency views and frontend-to-backend correlation. · middleware.io, 14 Oct 2026
- Audience
- Middleware says its mission is to empower organizations of all sizes to modernize their infrastructure stack with observability tools. · middleware.io, 30 Sept 2026
- Cancellation
- Middleware says pay-as-you-go accounts can be cancelled anytime and data is retained for 30 days after cancellation for download. · middleware.io, 30 Sept 2026
- Company founded
- Middleware was founded in 2022 and went through Y Combinator’s Winter 2023 batch. · middleware.io, 14 Oct 2026
- Company size
- LinkedIn lists Middleware as privately held, headquartered in San Francisco, founded in 2022 and employing 51–200 people. · linkedin.com, 14 Oct 2026
- Database monitoring
- Supported databases include MySQL, SQL Server, PostgreSQL, MongoDB, Oracle, ClickHouse, Redis, Elasticsearch and Cassandra. · middleware.io, 14 Oct 2026
- Data limits
- The Free Forever plan includes up to 100GB of data, 1k RUM sessions, 20k synthetic checks, 10 browser test runs, and 2 million OpsAI tokens. · middleware.io, 30 Sept 2026
- Data retention
- Free usage retains data for 14 days, pay-as-you-go for 30 days, and custom contracts can specify retention periods. · middleware.io, 14 Oct 2026
- Deployment model
- The product is delivered as a hosted service; custom contracts can provide bring-your-own-cloud deployment for data-residency control. · middleware.io, 14 Oct 2026
- Documentation depth
- Getting-started documentation covers host agents, SDKs, integrations, API keys, target URLs, operating systems and languages. · docs.middleware.io, 14 Oct 2026
- Founded
- 2022 · middleware.io, 23 Sept 2026
- Headquarters
- San Francisco, California · middleware.io, 23 Sept 2026
- Infrastructure monitoring
- The platform monitors infrastructure, Kubernetes, containers, virtual machines and serverless services. · middleware.io, 14 Oct 2026
- Integrations
- Documented integrations include AWS, Azure, Google Cloud, Vercel, databases, Datadog, Grafana, Prometheus, Logstash, Fluentd and the OpenTelemetry Collector. · docs.middleware.io, 14 Oct 2026
- Legal entity and funding
- Crunchbase identifies the legal entity as Middleware Lab Inc, a private seed-stage company with two funding rounds and 11 listed investors. · crunchbase.com, 14 Oct 2026
- Licence
- The hosted Middleware platform is proprietary, while its public React Native SDK repository is licensed Apache 2.0. · github.com, 14 Oct 2026
- Limit: customization
- A Capterra reviewer found the custom-dashboard options insufficient for their needs. · capterra.com, 14 Oct 2026
- Limit: integrations
- Reviewers report that the range of third-party integrations and cloud services is limited. · g2.com, 14 Oct 2026
- Limit: price
- A Capterra reviewer said the price felt high when comparing Middleware with alternatives. · capterra.com, 14 Oct 2026
- LLM observability
- LLM monitoring traces model calls and agent steps and measures latency, token usage, cost and response-quality evaluations. · docs.middleware.io, 14 Oct 2026
- Log management
- Logs support live viewing, searching, anomaly detection, patterns, custom attributes and ingestion filtering. · middleware.io, 14 Oct 2026
- Mobile SDK requirements
- The React Native SDK requires React Native 0.68+, Android minSdk 21 with compileSdk 35+, and iOS deployment target 13.0+. · github.com, 14 Oct 2026
- Notable news: September 2026 release
- The September 30, 2026 update added a Free Forever plan, alert-based SLOs, expanded OpsAI issue detection, Slack root-cause analysis and richer log-anomaly views. · middleware.io, 14 Oct 2026
Where Middleware stands on Freedom251
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