Top EDI Integration Software Alternatives for Modern B2B

TL;DR — EDI integration software exchanges standardized B2B documents such as X12 and EDIFACT purchase orders and invoices with trading partners. Managed providers (Cleo, OpenText, SPS Commerce, TrueCommerce) and gateways (IBM Sterling) handle partner connectivity and mapping. An orchestrator like Kestra runs the workflow around those files: ERP calls, acknowledgments, alerts, and history.

Electronic Data Interchange (EDI) still carries a large share of B2B orders, invoices, and shipping notices. What has changed is everything around it: ERPs and SaaS tools now expose APIs, and teams expect to see each transaction from file receipt to ERP update in one place.

This guide compares the main EDI integration software options, from managed EDI networks to enterprise gateways, and shows where a workflow orchestrator fits next to them. For the basics of how EDI works, start with what EDI integration is.

Why look for an alternative to traditional EDI integration software?

EDI itself is stable. The friction usually comes from the software around it, especially platforms designed decades ago:

• Rigidity and High Maintenance: Legacy EDI systems are often monolithic and proprietary. Customizing them to accommodate a new trading partner or a modified document standard can be a slow and expensive process requiring specialized consultants. This rigidity stifles business agility and locks teams into high-cost maintenance contracts.
• Poor Integration with Modern Stacks: Business systems now run on APIs, cloud services, and events. Traditional EDI software often struggles to bridge the gap between legacy protocols like AS2 and SFTP and the REST or GraphQL APIs of modern ERP and SaaS platforms. This creates data silos and forces teams to build brittle, custom “glue code” to connect their systems.
• Lack of End-to-End Visibility: When an EDI transaction fails, is the issue with the partner’s file, the VAN, the internal mapping, or the ERP update? Traditional systems often provide poor visibility into the entire workflow, making troubleshooting a painful, manual process of checking logs across multiple disconnected systems.
• Operational Burden and Vendor Lock-in: Managing on-premise EDI software, including its dedicated servers, databases, and network configurations, places a significant operational burden on IT teams. Proprietary mappings and business logic also create vendor lock-in. On the ERP side, see our guide to ERP data integration.

How we evaluated these EDI integration alternatives

To provide a clear comparison, we assessed each solution against a core set of criteria relevant to modern enterprises. Our evaluation focused on:

• Deployment Model: Can the solution be self-hosted, run in the cloud, or operate in a hybrid model?
• Integration Model: Does the tool function as a standalone EDI translator, a managed service, or a broader orchestration platform?
• Protocol & API Support: How well does it handle EDI standards such as ANSI X12 and UN/EDIFACT, transport protocols (AS2, SFTP, OFTP), and web APIs?
• Flexibility & Extensibility: How easily can workflows be customized, and can developers extend the platform with their own code?
• End-to-End Automation: Does the solution provide visibility and control over the entire business process, from file receipt to ERP update and beyond?

The Top EDI Integration Software Options

1. Kestra: The Event-Driven Orchestration Control Plane for EDI

Kestra is not a traditional EDI platform. It is an open-source, event-driven orchestration platform that automates the workflows around EDI transactions, defined in YAML rather than hidden inside a translator.

This approach is ideal for teams that want to integrate EDI processes into their existing DevOps and CI/CD practices. Workflows are defined in simple YAML files, which can be version-controlled in Git, peer-reviewed, and deployed like any other piece of software. This brings a level of governance and collaboration that is often missing in legacy EDI tools.

Best for: Engineering and platform teams who need to unify legacy EDI file transfers with modern API-driven workflows, data processing, and business logic in a single, auditable control plane.

A typical workflow starts when a new file lands on an SFTP server. Kestra downloads it, parses the X12 or EDIFACT document in a Python task (with a few lines of standard-library code, or an open-source library such as pydifact for EDIFACT), calls the ERP’s API, sends a 997 functional acknowledgment back to the partner, and alerts the team if anything fails. Each step is a separate task with its own logs, retries, and outputs. FILA, a global sportswear leader, uses Kestra to orchestrate complex ERP and supply-chain workflows across continents.

Be clear about the scope: Kestra is not an EDI Value-Added Network (VAN), has no native AS2 connector, and does not ship trading-partner maps. Teams often keep an EDI provider for partner connectivity, while Kestra handles the last mile into ERPs and other systems. Transfers use the file system plugin (SFTP, FTP, SMB) or HTTP; see the full list of plugins.

id: edi-purchase-order-processing
namespace: company.supplychain

triggers:
  - id: watch_for_edi_files
    type: io.kestra.plugin.fs.sftp.Trigger
    host: sftp.my-company.com
    username: "{{ secret('SFTP_USER') }}"
    password: "{{ secret('SFTP_PASS') }}"
    from: /inbound/orders/
    regExp: ".*\\.edi$"
    action: MOVE
    moveDirectory: /inbound/processed/
    maxFiles: 1

tasks:
  - id: download_order
    type: io.kestra.plugin.fs.sftp.Download
    host: sftp.my-company.com
    username: "{{ secret('SFTP_USER') }}"
    password: "{{ secret('SFTP_PASS') }}"
    from: "/inbound/processed/{{ trigger.files[0].path | split('/') | last }}"

  - id: parse_x12_850
    type: io.kestra.plugin.scripts.python.Script
    containerImage: python:3.12-slim
    inputFiles:
      order.edi: "{{ outputs.download_order.to }}"
    outputFiles:
      - order.json
      - ack.edi
    script: |
      import json

      raw = open("order.edi").read()
      elem = raw[3]                      # element separator, from the ISA segment
      seg_end = raw[105]                 # segment terminator
      segments = [s.strip().split(elem) for s in raw.split(seg_end) if s.strip()]

      isa = segments[0]
      po = next(s for s in segments if s[0] == "BEG")
      lines = [
          {"qty": s[2], "unit": s[3], "price": s[4], "sku": s[7]}
          for s in segments if s[0] == "PO1"
      ]
      json.dump({"po_number": po[3], "po_date": po[5], "lines": lines}, open("order.json", "w"))

      # Minimal 997 functional acknowledgment for the received group
      gs = next(s for s in segments if s[0] == "GS")
      ack = [
          ["ST", "997", "0001"],
          ["AK1", gs[1], gs[6]],
          ["AK9", "A", "1", "1", "1"],
          ["SE", "4", "0001"],
      ]
      open("ack.edi", "w").write(seg_end.join(elem.join(s) for s in ack) + seg_end)

  - id: post_to_erp
    type: io.kestra.plugin.core.http.Request
    uri: https://erp.example.com/api/v1/sales-orders
    method: POST
    contentType: application/json
    headers:
      Authorization: "Bearer {{ secret('ERP_API_KEY') }}"
    body: "{{ read(outputs.parse_x12_850.outputFiles['order.json']) }}"
    retry:
      type: exponential
      maxAttempts: 3
      interval: PT30S
      maxInterval: PT5M

  - id: upload_997_acknowledgment
    type: io.kestra.plugin.fs.sftp.Upload
    host: sftp.trading-partner.example.com
    username: "{{ secret('PARTNER_SFTP_USER') }}"
    password: "{{ secret('PARTNER_SFTP_PASS') }}"
    from: "{{ outputs.parse_x12_850.outputFiles['ack.edi'] }}"
    to: "/acks/997_{{ execution.id }}.edi"

errors:
  - id: alert_on_failure
    type: io.kestra.plugin.slack.notifications.SlackIncomingWebhook
    url: "{{ secret('SLACK_WEBHOOK_URL') }}"
    payload: |
      {"text": "EDI order processing failed for {{ trigger.files[0].path }} (execution {{ execution.id }})."}

The parser above handles the common 850 segments; a production flow would also validate control numbers and envelopes (ISA/GS/ST) and wrap the 997 in its own ISA/GS envelope. The ERP call retries on transient errors, and any failure alerts the team with the file and execution that need attention.

2. Cleo Integration Cloud: Managed Service with Broad Protocol Support

Cleo Integration Cloud (CIC) is a cloud platform for B2B integration. It combines EDI with application and data integration in one product. Its strengths are pre-built connectors and support for many communication protocols, including AS2, SFTP, and OFTP2.

The platform is offered as a managed service, which can be a significant advantage for companies looking to offload the operational burden of managing their integration infrastructure. Cleo provides the tools and the expert services to manage partner onboarding, mapping, and day-to-day operations.

Best for: Organizations that want a fully managed, end-to-end integration solution with a strong focus on supply chain and manufacturing, and prefer to outsource the technical complexity of EDI.

3. IBM Sterling B2B Integrator: Enterprise Legacy Powerhouse

IBM Sterling B2B Integrator has been a reference in enterprise EDI for decades. It is built for very high transaction volumes and complex integration scenarios. It supports a vast array of industry standards and communication protocols, making it a common choice in large, global enterprises in sectors like finance, healthcare, and logistics.

That power comes with complexity: it typically needs dedicated infrastructure and specialized expertise to deploy and maintain. It fits best in organizations that already run other IBM software.

Best for: Large enterprises with complex, high-volume B2B transaction needs, deep existing IBM infrastructure, and the resources to manage a powerful but demanding platform.

4. OpenText Trading Grid: Cloud-Based B2B Network

OpenText offers a suite of B2B integration solutions, with Trading Grid being its flagship cloud platform. Trading Grid operates as one of the world’s largest B2B integration networks, connecting millions of trading partners. It functions primarily as a managed service, abstracting away the complexities of partner connectivity, protocol management, and document translation.

The platform provides global reach and a range of value-added services like supply chain analytics and compliance management. Because many trading partners are already on the network, onboarding them can be faster.

Best for: Global organizations looking for a cloud-based, managed service that provides access to a massive, pre-existing network of trading partners for simplified onboarding and supply chain automation.

5. SPS Commerce: Retail-Focused EDI Network

SPS Commerce is a full-service EDI provider centered on retail. Its model is built around a vast network of retailers, suppliers, and logistics partners. For businesses selling into large retail chains like Walmart, Target, or Amazon, SPS Commerce is often the go-to solution.

They handle the entire EDI lifecycle as a managed service, including setup, testing, and compliance with each retailer’s specific EDI requirements. This “full-service” approach removes the technical burden from the supplier, allowing them to focus on their core business. The trade-off is a model specialized for retail, less flexible for integrations outside it.

Best for: Suppliers, manufacturers, and 3PL providers in the retail industry who need to comply with the EDI requirements of many retail partners without building an in-house EDI team.

6. TrueCommerce: Integrated EDI for ERP Systems

TrueCommerce provides a unified commerce platform with a strong focus on integrating EDI with ERP and e-commerce systems. Their solution is designed to be a scalable managed service that grows with a business, from small companies just starting with EDI to large enterprises with complex supply chains.

A key differentiator for TrueCommerce is its portfolio of pre-built integrations for popular ERPs like NetSuite, SAP, Microsoft Dynamics, and Sage. This can significantly reduce the time and complexity of getting EDI data flowing into and out of core business systems. They offer a flexible platform that connects to a large network of trading partners.

Best for: Businesses of all sizes, particularly those in manufacturing and distribution, that need a tightly integrated EDI solution for their specific ERP system and want a managed service that can scale with them.

Comparing EDI Integration Software: A Quick Overview

Choosing the Right EDI Integration Solution for Your Business

Selecting the right tool depends heavily on your team’s technical capabilities, business model, and existing infrastructure.

• For data engineering and platform teams: If your goal is to treat B2B integrations as code and unify them with your data pipelines and other internal workflows, an orchestration platform like Kestra is the strongest fit. Workflows live in Git and follow the same review process as the rest of your code.
• For infrastructure and DevOps teams: When the priority is one automated control plane for everything from infrastructure automation to B2B transactions, Kestra covers both, which reduces silos between IT and business operations. See also API orchestration for the API side of these flows.
• For businesses seeking a hands-off, managed solution: If your primary goal is to achieve EDI compliance with trading partners and you prefer to outsource the technical implementation, providers like Cleo, SPS Commerce, or TrueCommerce fit well. The best option among them will depend on your industry (e.g., retail for SPS) and ERP system (for TrueCommerce).

For a broader look at how orchestration can be applied, explore these workflow automation use cases.

Conclusion: Modernizing Your B2B Data Exchange

EDI standards are not going away, but the tools around them are changing. Managed networks and gateways remain the simplest way to reach trading partners, while more teams connect those EDI flows to APIs, ERPs, and internal processes through orchestration.

If you want B2B workflows versioned as code, observable end to end, and connected to the rest of your business process automation, Kestra can sit alongside your EDI provider and run everything that happens after the file arrives.