MidwayUSA EDI 810 Invoice Integration

Schema Reference

24 segments · X12 810 Invoice

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 Repetition Separator M MIN 1 MAX 1 ID: I65 Type is not applicable; the repetition separator is a delimiter and not a data element; this field provides the delimiter used to separate repeated occurrences of a simple data element or a composite data structure; this value must be different than the data element separator, component element separator, and the segment terminator 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

BIG01 Date

M DT 8-8

BIG02 Invoice Number

M AN 1-22

BIG03 Date

O DT 8-8

BIG04 Purchase Order Number

O AN 1-22

REF01 Reference Identification Qualifier

M ID 2-3

REF02 Reference Identification

C AN 1-50

N1 Loop Repeat: 200

N101 Entity Identifier Code

M ID 2-3

N102 Name

C AN 1-60

N103 Identification Code Qualifier

C ID 1-2

N104 Identification Code

C AN 2-80

N301 Address Information

M AN 1-55

N302 Address Information

O AN 1-55

N401 City Name

O AN 2-30

N402 State or Province Code

C ID 2-2

N403 Postal Code

O ID 3-15

N404 Country Code

C ID 2-3

PER01 Contact Function Code

M ID 2-2

PER02 Name

O AN 1-60

PER03 Communication Number Qualifier

C ID 2-2

PER04 Communication Number

C AN 1-256

PER05 Communication Number Qualifier

C ID 2-2

PER06 Communication Number

C AN 1-256

PER07 Communication Number Qualifier

C ID 2-2

PER08 Communication Number

C AN 1-256

ITD03 Terms Discount Percent

O R 1-6

ITD04 Terms Discount Due Date

C DT 8-8

ITD05 Terms Discount Days Due

C N0 1-3

ITD06 Terms Net Due Date

O DT 8-8

ITD07 Terms Net Days

O N0 1-3

ITD08 Terms Discount Amount

O N2 1-10

ITD12 Description

O AN 1-80

DTM01 Date/Time Qualifier

M ID 3-3

DTM02 Date

C DT 8-8

FOB01 Shipment Method of Payment

M ID 2-2

FOB02 Location Qualifier

C ID 1-2

IT1 Loop Repeat: 200,000

IT101 Assigned Identification

O AN 1-20

IT102 Quantity Invoiced

C R 1-10

IT103 Unit or Basis for Measurement Code

C ID 2-2

IT104 Unit Price

C R 1-17

IT106 Product/Service ID Qualifier

C ID 2-2

IT107 Product/Service ID

C AN 1-48

IT108 Product/Service ID Qualifier

C ID 2-2

IT109 Product/Service ID

C AN 1-48

IT110 Product/Service ID Qualifier

C ID 2-2

IT111 Product/Service ID

C AN 1-48

TXI01 Tax Type Code

M ID 2-2

TXI02 Monetary Amount

C R 1-18

PID Loop Repeat: 1,000

PID01 Item Description Type

M ID 1-1

PID02 Product/Process Characteristic Code

O ID 2-3

PID05 Description

C AN 1-80

REF01 Reference Identification Qualifier

M ID 2-3

REF02 Reference Identification

C AN 1-50

SAC Loop

SAC01 Allowance or Charge Indicator

M ID 1-1

SAC02 Service, Promotion, Allowance, or Charge Code

C ID 4-4

SAC05 Amount

O N2 1-15

SAC15 Description

C AN 1-80

TDS01 Amount

M N2 1-15

TDS02 Amount

O N2 1-15

TDS03 Amount

O N2 1-15

TDS04 Amount

O N2 1-15

TXI01 Tax Type Code

M ID 2-2

TXI02 Monetary Amount

C R 1-18

CAD04 Standard Carrier Alpha Code

C ID 2-4

CAD05 Routing

C AN 1-35

CAD07 Reference Identification Qualifier

O ID 2-3

CAD08 Reference Identification

C AN 1-50

SAC Loop

SAC01 Allowance or Charge Indicator

M ID 1-1

SAC02 Service, Promotion, Allowance, or Charge Code

C ID 4-4

SAC05 Amount

O N2 1-15

SAC15 Description

C AN 1-80

ISS Loop

ISS01 Number of Units Shipped

C R 1-10

ISS02 Unit or Basis for Measurement Code

C ID 2-2

CTT01 Number of Line Items

M N0 1-6

SE01 Number of Included Segments

M N0 1-10

SE02 Transaction Set Control Number

M AN 4-9

Automating MidwayUSA EDI 810

Stacksync validates, transforms, and delivers your 810 transactions automatically — so your team can focus on operations, not EDI compliance.

Validate

Transform

Route

Monitor

Stacksync auto-generates 810 Invoices from your billing system, pre-validated against the original PO and ASN. Three-way match discrepancies are flagged before submission — reducing rejections and accelerating payment cycles.

MidwayUSA EDI 810 FAQ

Common questions about 810 Invoice transactions with MidwayUSA.

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

Most suppliers are fully connected and processing live MidwayUSA 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 MidwayUSA?

No. Stacksync handles the entire EDI transport layer. We connect directly to MidwayUSA'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 MidwayUSA 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 MidwayUSA?

Stacksync supports all EDI document types required by MidwayUSA — 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 MidwayUSA 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 MidwayUSA's EDI network and your system in real time.

What happens when MidwayUSA updates their EDI specifications?

Stacksync monitors MidwayUSA'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.