What Ostia does

Ostia Software Solutions Limited is an Ireland-based enterprise software company that builds the Portus Platform, a service creation, integration, and management system that exposes legacy enterprise data and applications as modern APIs. The platform supports Windows, Linux/Unix, and mainframe (z/OS and z/VSE) environments and integrates with a wide range of databases and data sources including Adabas, Natural, VSAM, SQL databases, COBOL programs, and BLOBs, as well as communication protocols such as REST, SOAP, MQ, and JMS. Its Intelligent Virtual Services (IVS) module provides service virtualization that replicates HTTP, MQ, and JMS message behavior, enabling testing teams to work in stable isolated environments without live system dependencies. The product line also includes a no-code extension (N-CAPIE) positioned for the financial services sector and a dedicated PSD2 Open Banking Ecosystem.

The company serves primarily two verticals: financial services (banks, fintechs, and financial institutions requiring PSD2 compliance and secure API development) and enterprise IT (large organizations with legacy mainframe estates requiring modern API access). Ostia has historically operated with a direct enterprise sales motion supplemented by self-service downloads from its customer portal, with a 22-module training curriculum and a community forum supporting existing customers. In November 2025, the company announced a channel partnership with Bateleur Software to distribute N-CAPIE in South Africa, marking its first documented expansion outside its Irish home market.

Ostia monetizes through one-time/perpetual software licenses for Portus server deployments, professional services and training engagements, and partner-driven distribution revenue. Pricing is quote-based and not publicly disclosed. The company is privately held with no disclosed institutional investors, funding rounds, or named enterprise customers, and operates with a headcount in the 11-50 range, indicating a small, niche vendor serving a specialized segment of the enterprise integration market.

Name

Ostia

Legal name

Ostia Software Solutions Limited

Website

https://ostiasolutions.com

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

11–50 employees

Short description

Ostia provides enterprise API integration and service virtualization software through its Portus Platform, enabling banks and large organizations to modernize legacy mainframe and database systems. Its no-code N-CAPIE ecosystem targets the financial services sector.

Ownership category

akta.pro rank

Product category

Enterprise API Integration Software

NAICS

Computer Systems Design Services (541512), Computer Systems Design and Related Services (54151)

SIC

Services-Computer Integrated Systems Design (7373), Services-Computer Programming Services (7371)

akta.pro primary industry

Developer Experience Platforms for Enterprise (IDEs, CI/CD, Dev Portals) (HDAEAKAI)

Keywords

• API integration platform
• Service virtualization software
• Mainframe API modernization
• Open banking APIs
• No-code API development

Headquarters

HQ city

Bray

HQ country

Ireland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure

Revenue model

1. Software Licenses: Portus platform software licenses for server installation on Windows, Linux/Unix, and Mainframe platforms. The company provides downloadable Eclipse-based installations (v421 Panama and v431 Brazil versions) with update sites.
2. Professional Services and Training: In-depth and tailored training programs for Portus Platform, covering standard and advanced modules as well as Intelligent Virtual Services (IVS). Training includes presentations, case studies, user documentation, exercises, and hands-on workshops.
3. Partnership/Distribution Revenue: Revenue generated through distribution partnerships such as the Bateleur Software partnership in South Africa for the No-Code API Ecosystem.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Ostia develops and sells the Portus Platform, an enterprise API integration and development platform that enables service creation, connectivity, and management across Windows, Linux/Unix, and mainframe (z/OS, z/VSE) systems. The platform includes the Portus-Connect server, an Eclipse-based Control Centre administration workbench, and the Intelligent Virtual Services (IVS) module for service virtualization and isolated testing. Ostia also offers the No-Code API Ecosystem (N-CAPIE) for simplified API development in the financial sector, alongside professional training services.

Product overview

Ostia offers a comprehensive API integration ecosystem centered on the Portus Platform, which consists of the Portus-Connect server for API service creation and management, the Control Centre Eclipse-based administration workbench, and Intelligent Virtual Services (IVS) for service virtualization and testing. The platform supports multiple database systems (Adabas, VSAM, SQL databases, COBOL) and communication protocols (SOAP, REST, MQ, JMS, HTTP). The No-Code API Ecosystem (N-CAPIE) provides simplified API development capabilities targeting the financial sector. The product portfolio also includes customer and developer support portals (OTRS), training resources, video demonstrations, and a dedicated PSD2 Open Banking Ecosystem solution area.

Differentiator

Problem solved

Functional benefit

Products and services

• Portus Platform Enterprise API integration and development platform that provides service creation, connectivity, and management capabilities across Windows, Linux/Unix, and mainframe (z/OS, z/VSE) systems, with support for Adabas, Natural, SQL, VSAM, COBOL, MQ, JMS, and HTTP. Sold as one-time/perpetual enterprise licenses.
• No-Code API Ecosystem (N-CAPIE) No-code platform that simplifies API development, particularly for the financial sector, enabling users to create and manage APIs without extensive coding. Distributed via channel partners such as Bateleur Software.
• Intelligent Virtual Services (IVS) Service virtualization module for the Portus Platform that creates a virtual layer replicating HTTP, MQ, and JMS message system behavior, enabling testing teams to work in stable isolated environments without live services, with Service Capture and Playback and Data Masking capabilities.
• PSD2 Open Banking Ecosystem Dedicated solution area and forum for PSD2 (Payment Services Directive 2) compliance and open banking API integrations, including data masking and standardized service creation for financial institutions.

Quantifiable outcome

• AI-related API usage in financial sector grew 800% in 2024 compared to 2023, driving demand for simplified API development solutions

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration10 records

AI capability2 records

Feature7 records

Partnerships

One partnership is on record.

• Bateleur SoftwarecoreChannel Partner/ Reseller/ Distributor · 1 November 2025South African distributor Bateleur Software partnered with Ostia to introduce Ostia's No-Code API Ecosystem (N-CAPIE) to South Africa. The partnership targets the financial sector, addressing rapidly increasing AI-related API usage in the region. This represents Ostia's channel partner strategy for geographic expansion into the African market.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Software AG (webMethods): Software AG's webMethods platform provides enterprise API/integration services and is the vendor behind Adabas and Natural — the exact mainframe databases that Portus integrates with. It is the closest direct competitor on legacy mainframe-to-modern API integration, while overlapping on financial-services API management.
• Dell Boomi: Boomi is a leading low-code iPaaS focused on application and data integration across SaaS, on-prem, and legacy systems. It is comparable to Ostia as an enterprise integration platform with no-code tooling and broad protocol/database connectivity, including legacy enterprise endpoints.
• Axway: Axway provides API management, MFT, and B2B integration with strong roots in regulated industries (banking, healthcare). Comparable to Ostia on enterprise API gateway and financial-services digital transformation use cases, including open banking initiatives.
• IBM API Connect: IBM's enterprise API lifecycle platform sits alongside z/OS and mainframe modernization offerings, making it directly comparable to Ostia Portus on mainframe-rooted API integration, lifecycle management, and enterprise service creation for regulated industries like financial services.

Emerging players

• Workato: Workato is a no-code/low-code iPaaS for business and IT teams. It is comparable to Ostia's N-CAPIE no-code positioning and enterprise integration focus, particularly for financial services, though Workato focuses on SaaS app integration while Ostia emphasizes mainframe/legacy connectivity.
• Kong Inc. Kong is an API gateway and service connectivity platform (open-source Kong Gateway plus Kong Konnect). It addresses enterprise API management with support for legacy and modern protocols, partially overlapping Ostia's API proxy and virtualization capabilities but without Ostia's deep mainframe specialization.
• Tray.io: Tray.io is a no-code API integration and workflow automation platform with a strong iPaaS focus. Comparable to N-CAPIE in democratizing API and integration development for less technical users, competing in adjacent enterprise integration use cases.
• WSO2: WSO2 offers an open-source API management and integration platform (WSO2 API Manager / Micro Integrator) widely used in banking and government. Comparable to Ostia on enterprise API and integration middleware with a strong footprint in financial-services digital transformation and open banking.

Broad incumbents

• Google Apigee: Google Cloud's API management platform (Apigee) addresses API design, publishing, and analytics for enterprises including financial institutions. Comparable to Ostia on enterprise API lifecycle and PSD2/open banking use cases, though Apigee is a much broader cloud-native offering and does not specialize in mainframe integration.
• Salesforce MuleSoft: Salesforce's enterprise API integration platform (formerly MuleSoft Anypoint) is the dominant iPaaS/API management vendor. It is comparable to Ostia as an enterprise-grade API integration and service creation platform, though MuleSoft serves a broader cross-vertical market whereas Ostia specializes in financial services and mainframe integration.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/OstiaSolutions
• LinkedInlinkedin.com/company/ostia-software-solutions-ltd
• Xx.com/ostiasolutions

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Ostia