The Elavon ISO Protocol supports the following authorisation related transactions:
- Sales
- Refunds
- Sale reversals
- ‘Force posts’ following referral and voice authorisation
- Dynamic Currency Conversion (DCC) quote rejections (legacy system support only)
- Pre-authorisation requests
- Incremental Pre-authorisation
- Pre-authorisation completion requests
- Pre-authorisation reversal
- Incremental Pre-authorisation reversal
- DCC Inquiry Requests
- Elavon Tokenisation Requests – available from May 2019
The protocol also supports:
- Exchange rate downloads (for DCC)
- Reconciliation request messages
- Network management messages
The following ISO message types are used:
|
Transaction Description |
Request MTI |
Response MTI |
|---|---|---|
|
Pre-authorisations / Incremental Pre-Authorisations |
1100 |
1110 |
|
Sales |
1200 |
1210 |
|
Pre-Authorisation Completions |
1200 |
1210 |
|
Refunds / Force / DCC Quote Rejections (including repeats) |
1220/1 |
1230 |
|
Sale Reversals (including repeats) |
1420/1 |
1430 |
|
Exchange Rate Requests |
1304 |
1314 |
|
DCC Inquiry Requests |
1305 |
1315 |
| Elavon Tokenisation Requests | 1306 | 1316 |
|
Reconciliation / Batch Closure |
1500 |
1510 |
|
Network Management |
1804 |
1814 |