Resources
ACH Blog & Reference Guides
Practical references for businesses that run on ACH — return codes, compliance documents, and underwriting requirements, written by the GoACH team.
ACH Reference
ACH Return Codes: Complete Reference Guide
Every major NACHA R-code explained — what it means, how it affects your return rate thresholds, and the recommended next step for each. The go-to reference for high-risk originators managing daily returns.
Compliance
What Is a Bank Verification Letter? Requirements, Sample & FAQ
What makes a bank verification letter valid, the mistakes that get letters rejected, a sample template you can hand to your bank, and answers to the questions underwriters hear most.