Approved Transactions - in Test/Dev Mode
| Card Type | Card Number |
|---|---|
| Visa | 4111 1111 1111 1111 |
| MasterCard | 5424 0000 0000 0015 |
| Discover | 6011 0000 0000 0004 |
| American Express | 3700 0000 0000 002 |
| JCB | 3566 0020 2036 0505 |
Declined Transactions
| Card Number | Reason |
|---|---|
| 4111 1111 1111 1111 | Declined when used with $5.00 or $10.00 |
| 4628 3214 8750 1321 | Always declines due to NSF |
| 4242 4242 4242 4242 | Always declines with "errorCode":"4" |
Response Codes & Errors
| Amount | Error Code | Error Message |
|---|---|---|
| $2.00 | 2 | Transaction declined |
| $5.00 | 4 | Card declined (Fraud) |
| $6.00 | 250 | Processor decline |
| $8.00 | 27 | AVS mismatch |
| $10.00 | 4 | Declined (General) |
Possible Causes & Solutions for Error Code 4
-
Fraud Detection Suite (FDS) Rules Triggered
- The transaction may be flagged due to velocity filters, IP restrictions, or country blocking.
- Solution: Check your Fraud Detection Suite settings in the Authorize.Net Merchant Interface and adjust them if needed.
-
AVS (Address Verification System) or CVV Mismatch
- The billing address or CVV code provided does not match the card issuer’s records.
- Solution: Ensure that the billing details are correct and match what the bank has on file.
-
Transaction Declined by the Issuing Bank
- The cardholder’s bank may have declined the transaction due to insufficient funds, security concerns, or expired card details.
- Solution: Ask the customer to contact their bank or try another card.
-
Merchant Account Limitations
- Your merchant account may have restrictions on certain types of transactions (e.g., international payments).
- Solution: Contact Authorize.Net support or your merchant provider to verify account settings.
-
Duplicate Transaction Filtering
- If a transaction with the same amount and card details was submitted in a short time, it might be blocked as a duplicate.
- Solution: Wait a few minutes and retry the transaction.