# Adds early fraud warnings and fraudulent dispute signals for Payment Evaluations ## What’s new Adds [early_fraud_warning](https://docs.stripe.com/api/radar/payment-evaluation/object.md?api-version=2026-09-30.endive) and [fraudulent_dispute](https://docs.stripe.com/api/radar/payment-evaluation/object.md?api-version=2026-09-30.endive) properties to the [signals](https://docs.stripe.com/api/radar/payment-evaluation/object.md?api-version=2026-09-30.endive) hash for [Payment Evaluations](https://docs.stripe.com/api/radar/payment-evaluation/object.md?api-version=2026-09-30.endive). Both properties return a risk assessment that includes `evaluated_at`, `risk_level`, and `score` values. Previously, only the [fraudulent_payment](https://docs.stripe.com/api/radar/payment-evaluation/object.md?api-version=2026-09-30.endive) property was available. ## Impact You can now access granular predictions for [Radar risk signals](https://docs.stripe.com/radar/multiprocessor.md#risk-signals) provided in Payment Evaluations. ## Changes #### REST API | Parameters | Change | Resources or endpoints | | --- | --- | --- | | `early_fraud_warning`, `fraudulent_dispute` | Added | [Radar.PaymentEvaluation.signals](/api/radar/payment-evaluation/object?api-version=2026-09-30.endive#radar_payment_evaluation_object-signals) | #### Ruby | Parameters | Change | Resources or methods | | --- | --- | --- | | `early_fraud_warning`, `fraudulent_dispute` | Added | [Radar::PaymentEvaluation::Signal](/api/radar/payment-evaluation/object?api-version=2026-09-30.endive#radar_payment_evaluation_object-signals) | #### Python | Parameters | Change | Resources or methods | | --- | --- | --- | | `early_fraud_warning`, `fraudulent_dispute` | Added | [Radar.PaymentEvaluation.Signal](/api/radar/payment-evaluation/object?api-version=2026-09-30.endive#radar_payment_evaluation_object-signals) | #### PHP | Parameters | Change | Resources or methods | | --- | --- | --- | | `early_fraud_warning`, `fraudulent_dispute` | Added | [Radar.PaymentEvaluation.signals](/api/radar/payment-evaluation/object?api-version=2026-09-30.endive#radar_payment_evaluation_object-signals) | #### Java | Parameters | Change | Resources or methods | | --- | --- | --- | | `earlyFraudWarning`, `fraudulentDispute` | Added | [radar.PaymentEvaluation.signals](/api/radar/payment-evaluation/object?api-version=2026-09-30.endive#radar_payment_evaluation_object-signals) | #### Node.js | Parameters | Change | Resources or methods | | --- | --- | --- | | `early_fraud_warning`, `fraudulent_dispute` | Added | [Radar.PaymentEvaluation.signals](/api/radar/payment-evaluation/object?api-version=2026-09-30.endive#radar_payment_evaluation_object-signals) | #### Go | Parameters | Change | Resources or methods | | --- | --- | --- | | `EarlyFraudWarning`, `FraudulentDispute` | Added | [RadarPaymentEvaluationSignals](/api/radar/payment-evaluation/object?api-version=2026-09-30.endive#radar_payment_evaluation_object-signals) | #### .NET | Parameters | Change | Resources or methods | | --- | --- | --- | | `EarlyFraudWarning`, `FraudulentDispute` | Added | [Radar.PaymentEvaluation.Signals](/api/radar/payment-evaluation/object?api-version=2026-09-30.endive#radar_payment_evaluation_object-signals) | ## Upgrade #### REST API 1. [View your current API version](https://docs.stripe.com/workbench/guides.md#view-api-versions) in Workbench. 2. If you use an SDK, upgrade to the corresponding SDK version for this API version. - If you don’t use an SDK, update your [API requests](https://docs.stripe.com/api-versions.md#how-versions-are-specified-in-requests) to include `Stripe-Version: 2026-09-30.endive` 3. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 4. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 5. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). #### Ruby 1. [View your current API version](https://docs.stripe.com/upgrades.md#view-your-api-version-and-the-latest-available-upgrade-in-workbench) in Workbench. 2. Upgrade your Ruby SDK to the latest version. 3. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 4. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 5. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). 6. In Workbench, [perform the upgrade](https://docs.stripe.com/upgrades.md#perform-the-upgrade). You can [roll back the version](https://docs.stripe.com/upgrades.md#roll-back-your-api-version) for 72 hours. Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). #### Python 1. [View your current API version](https://docs.stripe.com/upgrades.md#view-your-api-version-and-the-latest-available-upgrade-in-workbench) in Workbench. 2. Upgrade your Python SDK to the latest version. 3. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 4. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 5. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). 6. In Workbench, [perform the upgrade](https://docs.stripe.com/upgrades.md#perform-the-upgrade). You can [roll back the version](https://docs.stripe.com/upgrades.md#roll-back-your-api-version) for 72 hours. Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). #### PHP 1. [View your current API version](https://docs.stripe.com/upgrades.md#view-your-api-version-and-the-latest-available-upgrade-in-workbench) in Workbench. 2. Upgrade your PHP SDK to the latest version. 3. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 4. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 5. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). 6. In Workbench, [perform the upgrade](https://docs.stripe.com/upgrades.md#perform-the-upgrade). You can [roll back the version](https://docs.stripe.com/upgrades.md#roll-back-your-api-version) for 72 hours. Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). #### Java 1. [View your current API version](https://docs.stripe.com/upgrades.md#view-your-api-version-and-the-latest-available-upgrade-in-workbench) in Workbench. 2. Upgrade your Java SDK to the latest version. 3. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 4. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 5. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). 6. In Workbench, [perform the upgrade](https://docs.stripe.com/upgrades.md#perform-the-upgrade). You can [roll back the version](https://docs.stripe.com/upgrades.md#roll-back-your-api-version) for 72 hours. Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). #### Node.js 1. [View your current API version](https://docs.stripe.com/upgrades.md#view-your-api-version-and-the-latest-available-upgrade-in-workbench) in Workbench. 2. Upgrade your Node SDK to the latest version. 3. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 4. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 5. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). 6. In Workbench, [perform the upgrade](https://docs.stripe.com/upgrades.md#perform-the-upgrade). You can [roll back the version](https://docs.stripe.com/upgrades.md#roll-back-your-api-version) for 72 hours. Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). #### Go 1. [View your current API version](https://docs.stripe.com/upgrades.md#view-your-api-version-and-the-latest-available-upgrade-in-workbench) in Workbench. 2. Upgrade your Go SDK to the latest version. 3. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 4. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 5. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). 6. In Workbench, [perform the upgrade](https://docs.stripe.com/upgrades.md#perform-the-upgrade). You can [roll back the version](https://docs.stripe.com/upgrades.md#roll-back-your-api-version) for 72 hours. Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). #### .NET 1. [View your current API version](https://docs.stripe.com/upgrades.md#view-your-api-version-and-the-latest-available-upgrade-in-workbench) in Workbench. 2. Upgrade your .NET SDK to the latest version. 3. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md). 4. [Test your integration](https://docs.stripe.com/testing.md) against the new version. 5. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md). 6. In Workbench, [perform the upgrade](https://docs.stripe.com/upgrades.md#perform-the-upgrade). You can [roll back the version](https://docs.stripe.com/upgrades.md#roll-back-your-api-version) for 72 hours. Learn more about [Stripe API upgrades](https://docs.stripe.com/upgrades.md). ## Related changes - [Removes the payment method types parameter from Checkout Sessions](https://docs.stripe.com/changelog/endive/2026-09-30/remove-payment-method-types-checkout-sessions.md) - [Adds support for Data Share Only for 3D Secure authentication](https://docs.stripe.com/changelog/endive/2026-09-30/data-share-only.md) - [Makes Payment Evaluation signal scores nullable](https://docs.stripe.com/changelog/endive/2026-09-30/payment-evaluations-nullable-score.md) - [Removes PayTo-specific fields from Payment Methods](https://docs.stripe.com/changelog/endive/2026-09-30/removed-payto-fields.md) - [Removes the payment method types parameter from Payment Intents and Setup Intents](https://docs.stripe.com/changelog/endive/2026-09-30/removes-the-payment-method-types-parameter-from-payment-intents-and-setup-intents.md) - [Returns specific decline codes for BLIK payment failures](https://docs.stripe.com/changelog/endive/2026-09-30/blik-granular-decline-codes.md) - [Deprecates the payment request button](https://docs.stripe.com/changelog/endive/2026-09-30/deprecate-payment-request-button.md) - [Shows pending-authorization UI for MB WAY, Bizum, and BLIK with stripe.handleNextAction](https://docs.stripe.com/changelog/endive/2026-09-30/handle-next-action-mb-way-bizum-ui.md) - [Removes support for the payment method types option in Elements](https://docs.stripe.com/changelog/endive/2026-09-30/remove-elements-deferred-intent-payment-method-types.md) - [Saves Bancontact payment details for future off-session payments in Checkout](https://docs.stripe.com/changelog/endive/2026-09-30/bancontact-off-session-payments-checkout.md) - [Adds the Standalone 3D Secure API](https://docs.stripe.com/changelog/endive/2026-09-30/standalone-3ds.md) - [Adds support for SeQura payments](https://docs.stripe.com/changelog/endive/2026-09-30/sequra-payments.md) - [Adds card-present payment methods to allowed payment method types](https://docs.stripe.com/changelog/endive/2026-09-30/card-present-and-interac-present-enum-values-for-allowed-payment-method-types.md) - [Adds Link funding source group details on Payment Records](https://docs.stripe.com/changelog/endive/2026-09-30/link-funding-source-group-payment-records.md) - [Adds the ability to report canceled payments](https://docs.stripe.com/changelog/endive/2026-09-30/reporting-canceled-payments.md) - [Adds support for expanding the mandate on card payment method details](https://docs.stripe.com/changelog/endive/2026-09-30/expand-mandate-on-card-payments-details.md) - [Adds the Payment Record property to the Payment Intent object](https://docs.stripe.com/changelog/endive/2026-09-30/payment-records-on-payment-intents.md) - [Adds Link wallet details to Payment Records for card payments](https://docs.stripe.com/changelog/endive/2026-09-30/adds-link-wallet-details-to-payment-records-for-card-payments.md) - [Adds 3D Secure versions 2.3.0 and 2.3.1 to Payment Records](https://docs.stripe.com/changelog/endive/2026-09-30/3d-secure-payment-records.md) - [Adds support for BLIK recurring off-session payments](https://docs.stripe.com/changelog/endive/2026-09-30/blik-recurring-off-session-payments.md) - [Adds PayPay support for one-time online payments in Japan](https://docs.stripe.com/changelog/endive/2026-09-30/paypay-payments-japan.md) - [Exposes the network response electronic commerce indicator on card charges](https://docs.stripe.com/changelog/endive/2026-09-30/view-network-response-eci-on-card-charges.md) - [Adds payment method type information for failed payments](https://docs.stripe.com/changelog/endive/2026-09-30/payment-method-type-payment-failures.md) - [Adds MoMo payment method details to Payment Records](https://docs.stripe.com/changelog/endive/2026-09-30/adds-momo-payment-method-details-to-payment-records.md)