Legacy Modernization Solutions
Build the foundation for AI agents, today.
Simplify your system upgrades with MuleSoft’s flexible platform and move your business forward faster with expert service and support.
Speed up migration, cut costs, and get modern solutions faster.
50
%
Faster systems migration.
Switch from legacy systems and integrations in half the time with minimal business disruption.
35
%
Faster to get up and running.
MuleSoft's services and partners helped 93% of customers achieve project outcomes faster.
5
x
Faster access to legacy systems.
Finish IT projects faster, reduce maintenance costs, and connect old systems using APIs.
Replace old middleware to cut costs by up to 50%.
Modernize your systems with MuleSoft’s UNIFY approach and partner network. Get everything you need with all-in-one services, software, and support. Speed up your design phase from months to weeks with expert support.
UNIFY includes quarterly business check-ins, executive-level support, and training to help your team learn the platform.
Spend less on legacy system maintenance.
MuleSoft's platform helps you use APIs to separate your old systems from the services and data they contain. This cuts maintenance costs by reducing your need for specialists who understand complex legacy systems, while keeping your data secure and accessible.
See how the FCC saved millions on IT maintenance costs by using APIs to modernize their legacy systems.
Keep old systems safe from heavy-use surges.
Built-in traffic control tools help manage how many requests hit your older systems at once, so you can safely share legacy data and services with new applications without crashing them.
This protection means you can confidently deploy new high-performance applications that access legacy resources while keeping your existing systems stable and running smoothly.
Move your organization forward with modern integrations.
Leave your legacy tools behind.
Modernize with MuleSoft and hear from Novelis on how they were able to successfully migrated off of legacy middleware.
Break up with your legacy systems.
Learn about how General Motors transformed their integrations by moving away from legacy systems.
Go from old to bold with your legacy migration.
Learn why and how to migrate from legacy systems. Get specific steps and options to replace your legacy middleware.
Start your modernization journey.
Start your trial.
See how you can integrate faster with ready-to-use tools that don’t require a ton of setup.
Talk to an expert.
Ask our expers about switching to MuleSoft.
Attend a meetup.
Learn about Anypoint Platform, talk about topics on emerging tech, and grow your network.
Legacy System Modernization Frequently Asked Questions
Legacy system modernization is the process of upgrading outdated systems and infrastructure to make them more agile, efficient, and compatible with modern technologies. Instead of replacing entire systems, it involves accessing data and functionality from legacy applications (like mainframes, COBOL systems, or old databases) through APIs, enabling them to work seamlessly with cloud apps, mobile, and modern interfaces.
The modern approach uses APIs to expose legacy system data and services without disrupting the underlying systems. MuleSoft’s API-led connectivity creates reusable building blocks that connect legacy systems to new applications through three layers: System APIs (connect directly to legacy systems), Process APIs (orchestrate business logic), and Experience APIs (deliver data to apps). This avoids costly rip-and-replace while enabling gradual modernization.
Legacy systems hold organizations back from digital transformation — they're slow, expensive to maintain, require scarce specialized expertise, and can't easily connect to modern cloud apps, mobile, or IoT. Modernization reduces maintenance costs by up to 50%, enables faster project delivery (50% faster with MuleSoft), eliminates dependence on hard-to-find legacy experts, and allows businesses to adopt new technologies like AI, cloud, and mobile without starting from scratch.
There are three common approaches: Rip and replace (costly, disruptive, time-intensive), Point-to-point custom code (creates brittle connections, hard to maintain), and API-led connectivity (MuleSoft's approach—exposes legacy through APIs, creates reusable building blocks, enables gradual modernization). The API-led strategy lets you keep legacy systems running while building new capabilities around them, delivering 5x faster connectivity than traditional methods.
Look for platforms that support API-led connectivity, offer 200+ prebuilt connectors for legacy systems (SAP, Oracle, IBM, mainframes), enable hybrid deployment (cloud and on-prem), provide governance and security, and have proven enterprise success. MuleSoft's UNIFY program bundles services, software, and support with quarterly reviews and training. Choose partners with deep integration expertise who understand both legacy and modern technologies—not just implementation, but strategic modernization planning.