Rehlko EDI 850 Purchase Order Integration

Schema Reference

6 segments · X12 850 Purchase Order

ISA01 Authorization Information Qualifier

M ID 2-2

ISA02 Authorization Information

M AN 10-10

ISA03 Security Information Qualifier

M ID 2-2

ISA04 Security Information

M AN 10-10

ISA05 Interchange ID Qualifier

M ID 2-2

ISA06 Interchange Sender ID

M AN 15-15

ISA07 Interchange ID Qualifier

M ID 2-2

ISA08 Interchange Receiver ID

M AN 15-15

ISA09 Interchange Date

M DT 6-6

ISA10 Interchange Time

M TM 4-4

ISA11 Interchange Control Standards Identifier

M ID 1-1

ISA12 Interchange Control Version Number

M ID 5-5

ISA13 Interchange Control Number

M N0 9-9

ISA14 Acknowledgment Requested

M ID 1-1

ISA15 Usage Indicator

M ID 1-1

GS01 Functional Identifier Code

M ID 2-2

GS02 Application Sender's Code

M AN 2-15

GS03 Application Receiver's Code

M AN 2-15

GS04 Date

M DT 8-8

GS05 Time

M TM 4-8

GS06 Group Control Number

M N0 1-9

GS07 Responsible Agency Code

M ID 1-2

GS08 Version / Release / Industry Identifier Code

M AN 1-12

ST01 Transaction Set Identifier Code

M ID 3-3

ST02 Transaction Set Control Number

M AN 4-9

BEG01 Transaction Set Purpose Code

M ID 2-2

BEG02 Purchase Order Type Code

M ID 2-2

BEG03 Purchase Order Number

M AN 1-22

BEG05 Date

M DT 8-8

PO1 Loop Repeat: 100,000

PO101 Assigned Identification

O AN 1-20

SE01 Number of Included Segments

M N0 1-10

SE02 Transaction Set Control Number

M AN 4-9

How It Works

Automating Rehlko EDI 850

Stacksync validates, transforms, and delivers your 850 transactions automatically — so your team can focus on operations, not EDI compliance.

Validate

Transform

Route

Monitor

Stacksync automatically syncs incoming Rehlko 850 Purchase Orders directly to your ERP or database. New orders appear in your system within seconds — no manual data entry, no CSV imports. Field mappings are configured once and every future PO flows through automatically.

Rehlko EDI 850 FAQ

Common questions about 850 Purchase Order transactions with Rehlko.

How long does it take to set up Rehlko EDI with Stacksync?

Most suppliers are fully connected and processing live Rehlko EDI transactions within 3–5 business days. Stacksync's no-code setup means you don't need developers or EDI consultants — configure your field mappings through our visual interface, run a test cycle, and go live.

Do I need an existing VAN or AS2 connection to trade with Rehlko?

No. Stacksync handles the entire EDI transport layer. We connect directly to Rehlko's trading partner network through our certified connections. You don't need to manage a separate VAN subscription, AS2 certificates, or SFTP configurations.

How does Stacksync help with Rehlko compliance?

Stacksync improves compliance scores by eliminating manual processing delays. Purchase Orders sync to your system in real time, ASNs are generated automatically when you ship, and invoices are validated with three-way matching before submission. Real-time monitoring alerts you to issues before they become chargebacks.

What EDI document types does Stacksync support for Rehlko?

Stacksync supports all EDI document types required by Rehlko — including Purchase Orders (850), Invoices (810), ASNs (856), PO Acknowledgments (855), and more. Our platform handles the full lifecycle from order to payment automatically.

Can I connect Rehlko EDI to my existing ERP or WMS?

Yes. Stacksync integrates with any system that has a database or API — including SAP, Oracle, NetSuite, Microsoft Dynamics, and custom-built ERPs. Data flows bidirectionally between Rehlko's EDI network and your system in real time.

What happens when Rehlko updates their EDI specifications?

Stacksync monitors Rehlko's EDI spec changes and updates our mappings proactively. When a change affects your integration, we notify you and apply updates — so you stay compliant without scrambling to decode new implementation guides.