Open Source SWIFT & ISO 20022 Libraries

Production-ready Apache 2.0 licensed Java libraries trusted by 100+ financial institutions worldwide.
Apache 2.0 GitHub Maven Central
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Prowide Core

Open source Java library for SWIFT FIN MT messages (ISO 15022)

Complete MT message model
FIN and RJE parsing
JSON and MT-XML conversion
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Prowide ISO 20022

Open source Java library for ISO 20022 MX messages

All MX message types (pain, pacs, camt)
Complete business model
JSON conversion
Learn more →
Trusted by thousands of developers worldwide
610+
GitHub Stars
330+
Forks
5M+
Annual Maven Downloads
1,000+
Companies

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Apache License 2.0 -- Business-Friendly & Free

Released under the Apache License 2.0, one of the most business-friendly open source licenses. Freely use, modify, and distribute. Hosted on GitHub. Zero lock-in, zero risk.

Trusted by 100+ financial institutions worldwide

Business-friendly license

Apache 2.0 licensed for commercial use with no restrictions

Production-ready since 2006

Used by 100+ banks in 30+ countries, not experimental

Actively maintained

Quarterly releases with SWIFT SRG updates

Battle-tested by major banks

Proven reliability in mission-critical systems

Full SWIFT standard compliance

Continuously updated for ISO 15022 and ISO 20022

Transparent source code

Full access for auditing, customization, and understanding

Community available

GitHub repository with issue tracking and discussions

Commercial support available

Professional support and enterprise extensions

No vendor lock-in

Maximum flexibility in licensing, usage, and support

Commercial Support & Early Release
Get professional backing for your open source deployment without switching to a commercial product.

Open source users can acquire commercial support directly from Prowide -- the team that builds and maintains the libraries. Our Basic and Silver support plans give you access to guaranteed response times, defect resolution, and expert guidance on SWIFT and ISO 20022 integration.

Whether you need help with a complex MT parsing edge case, guidance on ISO 20022 adoption, or simply the confidence that comes with professional SLA-backed support -- we have you covered.

View all support plans →

Commercial Support

Basic (business hours) or Silver (24x7) support plans available for open source users. Includes defect resolution, API & code review, and technical assistance from the Prowide engineering team.

Early Release SRG Subscription

Get the annual SWIFT Standards Release Guide update by May -- five months before the public open source release in October. Start development and testing early, well ahead of the November SWIFT go-live.

May
Early Release
Oct
Open Source
Nov
SWIFT Go-Live
Prowide Commercial Products

Prowide Integrator

SWIFT compliance validation, MT-MX translations, MyFormat conversions, and more. A single license covers all modules. Built on top of the open source libraries.

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Messaging Hub

Full on-premises or private cloud message management platform. Browse, search, validate, and route SWIFT messages through a web UI. Includes all Integrator capabilities.

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