Class Reason (1.32.0)
1.32.0 (latest)
1.29.0
1.28.2
1.27.0
1.26.1
1.25.0
1.24.1
1.23.0
1.22.0
1.21.2
1.20.0
1.19.1
1.18.1
1.17.1
1.16.1
1.15.0
1.14.0
1.13.0
1.12.1
1.11.1
1.10.0
1.9.0
1.8.3
1.7.1
1.6.1
1.5.0
1.4.1
1.3.1
1.2.0
1.1.2
1.0.0
0.4.2
0.3.3
0.2.1
0.1.0
Risk reasons applicable to the Fraud Prevention assessment.
New risk reasons will be added over time.
Enums
Name
Description
REASON_UNSPECIFIED
Default unspecified type.
HIGH_TRANSACTION_VELOCITY
A suspiciously high number of recent transactions have used identifiers present in this transaction.
EXCESSIVE_ENUMERATION_PATTERN
User is cycling through a suspiciously large number of identifiers, suggesting enumeration or validation attacks within a potential fraud network.
SHORT_IDENTITY_HISTORY
User has a short history or no history in the reCAPTCHA network, suggesting the possibility of synthetic identity generation.
GEOLOCATION_DISCREPANCY
Identifiers used in this transaction originate from an unusual or conflicting set of geolocations.
ASSOCIATED_WITH_FRAUD_CLUSTER
This transaction is linked to a cluster of known fraudulent activity.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License , and code samples are licensed under the Apache 2.0 License . For details, see the Google Developers Site Policies . Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2026-06-23 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2026-06-23 UTC."],[],[]]