Go library

This project uses Go Modules and Go v1.18 or newer. See Golang’s install instructions for help in setting up Go. You can download the source code and we offer tagged and released versions as well. We highly recommend you use a tagged release for production.

$ git@github.com:moov-io/ach.git

# Pull down into the Go Module cache
$ go get -u github.com/moov-io/ach

$ go doc github.com/moov-io/ach BatchHeader

The package github.com/moov-io/ach offers a Go-based ACH file reader and writer. To get started, check out a specific example:

Supported Standard Entry Class (SEC) codes

SEC Code	Description	Example	Read	Write
ACK	Acknowledgment Entry for CCD	Credit	ACK Read	ACK Write
ADV	Automated Accounting Advice	Prenote Debit	ADV Read	ADV Write
ARC	Accounts Receivable Entry	Debit	ARC Read	ARC Write
ATX	Acknowledgment Entry for CTX	Credit	ATX Read	ATX Write
BOC	Back Office Conversion	Debit	BOC Read	BOC Write
CCD	Corporate credit or debit	Debit	CCD Read	CCD Write
CIE	Customer-Initiated Entry	Credit	CIE Read	CIE Write
COR	Automated Notification of Change(NOC)	NOC	COR Read	COR Write
CTX	Corporate Trade Exchange	Debit	CTX Read	CTX Write
DNE	Death Notification Entry	DNE	DNE Read	DNE Write
ENR	Automatic Enrollment Entry	ENR	ENR Read	ENR Write
IAT	International ACH Transactions	Credit	IAT Read	IAT Write
MTE	Machine Transfer Entry	Credit	MTE Read	MTE Write
POP	Point of Purchase	Debit	POP Read	POP Write
POS	Point of Sale	Debit	POS Read	POS Write
PPD	Prearranged payment and deposits	Debit Credit	PPD Read	PPD Write
RCK	Represented Check Entries	Debit	RCK Read	RCK Write
SHR	Shared Network Entry	Debit	SHR Read	SHR Write
TEL	Telephone-Initiated Entry	Debit	TEL Read	TEL Write
TRC	Truncated Check Entry	Debit	TRC Read	TRC Write
TRX	Check Truncation Entries Exchange	Debit	TRX Read	TRX Write
WEB	Internet-initiated Entries	Credit	WEB Read	WEB Write
XCK	Destroyed Check Entry	Debit	XCK Read	XCK Write

Segment files

SEC Code	Name	Example	Read	Write
IAT	International ACH Transactions	Credit	IAT Read	IAT Write
PPD	Prearranged payment and deposits	Debit Credit	PPD Read	PPD Write