997 EDI Decoder

Instantly decode X12 997 Functional Acknowledgments to see if your EDI was Accepted or Rejected.


Decoding Results


Segment Breakdown (AK3/AK4)
What is a 997?

The 997 Functional Acknowledgment is used in EDI to confirm the receipt of a transaction. It indicates whether the document was structurally sound (Accepted) or had errors (Rejected).

  • AK1: Header response
  • AK2: Transaction set identification
  • AK3: Segment errors
  • AK4: Data element errors
  • AK9: Final acknowledgment status
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Frequently Asked Questions

Yes. This tool is 100% client-side. Your EDI data never leaves your browser and is never sent to our servers.

A rejection usually means the EDI file failed structural validation or mandatory fields were missing. Look at the AK3 and AK4 segments for specific error locations.