# Adds support for simulating card payments on Terminal readers

## What’s new

Adds support for [simulating card presentment](https://docs.stripe.com/terminal/references/testing.md?terminal-card-present-integration=terminal#simulated-card-presentment) while [testing Stripe Terminal](https://docs.stripe.com/terminal/references/testing.md).

## Impact

You can now [simulate presenting](https://docs.stripe.com/api/terminal/readers/present_payment_method.md?api-version=2025-08-27.basil) `card` payment methods on a Terminal reader. Learn more about [testing this kind of simulation](https://docs.stripe.com/terminal/references/testing.md#simulated-card-presentment).

## Changes

#### REST API

| Parameter | Change | Resources or endpoints                                                                                                          |
| --------- | ------ | ------------------------------------------------------------------------------------------------------------------------------- |
| `card`    | Added  | [Terminal.Reader.testHelpers#present_payment_method](/api/terminal/readers/present_payment_method?api-version=2025-08-27.basil) |

| Value  | Change | Enum                                                                                                                                 |
| ------ | ------ | ------------------------------------------------------------------------------------------------------------------------------------ |
| `card` | Added  | [Terminal.Reader.testHelpers#present_payment_method.type](/api/terminal/readers/present_payment_method?api-version=2025-08-27.basil) |

#### Ruby

| Parameter | Change | Resources or methods                                                                                                      |
| --------- | ------ | ------------------------------------------------------------------------------------------------------------------------- |
| `card`    | Added  | [Terminal::Reader::PresentPaymentMethodParams](/api/terminal/readers/present_payment_method?api-version=2025-08-27.basil) |

#### Python

| Parameter | Change | Resources or methods                                                                                                    |
| --------- | ------ | ----------------------------------------------------------------------------------------------------------------------- |
| `card`    | Added  | [terminal.Reader.PresentPaymentMethodParams](/api/terminal/readers/present_payment_method?api-version=2025-08-27.basil) |

| Value  | Change | Enum                                                                                                                         |
| ------ | ------ | ---------------------------------------------------------------------------------------------------------------------------- |
| `card` | Added  | [terminal.Reader.PresentPaymentMethodParams.type](/api/terminal/readers/present_payment_method?api-version=2025-08-27.basil) |

#### PHP

This change does not affect the PHP SDK.

#### Java

| Parameter | Change | Resources or methods                                                                                                   |
| --------- | ------ | ---------------------------------------------------------------------------------------------------------------------- |
| `card`    | Added  | [terminal.ReaderPresentPaymentMethodParams](/api/terminal/readers/present_payment_method?api-version=2025-08-27.basil) |

| Value  | Change | Enum                                                                                                                        |
| ------ | ------ | --------------------------------------------------------------------------------------------------------------------------- |
| `card` | Added  | [terminal.ReaderPresentPaymentMethodParams.type](/api/terminal/readers/present_payment_method?api-version=2025-08-27.basil) |

#### Node.js

| Parameter | Change | Resources or methods                                                                                                               |
| --------- | ------ | ---------------------------------------------------------------------------------------------------------------------------------- |
| `card`    | Added  | [Terminal.ReaderPresentPaymentMethodParams.testHelpers](/api/terminal/readers/present_payment_method?api-version=2025-08-27.basil) |

| Value  | Change | Enum                                                                                                                                    |
| ------ | ------ | --------------------------------------------------------------------------------------------------------------------------------------- |
| `card` | Added  | [Terminal.ReaderPresentPaymentMethodParams.testHelpers.type](/api/terminal/readers/present_payment_method?api-version=2025-08-27.basil) |

#### Go

| Parameter | Change | Resources or methods                                                                                                             |
| --------- | ------ | -------------------------------------------------------------------------------------------------------------------------------- |
| `Card`    | Added  | [TestHelpersTerminalReaderPresentPaymentMethodParams](/api/terminal/readers/present_payment_method?api-version=2025-08-27.basil) |

#### .NET

| Parameter | Change | Resources or methods                                                                                                               |
| --------- | ------ | ---------------------------------------------------------------------------------------------------------------------------------- |
| `Card`    | Added  | [Terminal.TestHelpersReaderPresentPaymentMethodOptions](/api/terminal/readers/present_payment_method?api-version=2025-08-27.basil) |

## Upgrade

#### REST API

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.
1. 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/versioning.md) to include `Stripe-Version: 2025-08-27.basil`
1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md).
1. [Test your integration](https://docs.stripe.com/testing.md) against the new version.
1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md).
1. 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).

#### 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.
1. Upgrade your Ruby SDK to [v15.5.0](https://github.com/stripe/stripe-ruby/releases/tag/v15.5.0)
1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md).
1. [Test your integration](https://docs.stripe.com/testing.md) against the new version.
1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md).
1. 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.
1. Upgrade your Python SDK to [v12.5.0](https://github.com/stripe/stripe-python/releases/tag/v12.5.0)
1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md).
1. [Test your integration](https://docs.stripe.com/testing.md) against the new version.
1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md).
1. 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.
1. Upgrade your PHP SDK to [v17.6.0](https://github.com/stripe/stripe-php/releases/tag/v17.6.0)
1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md).
1. [Test your integration](https://docs.stripe.com/testing.md) against the new version.
1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md).
1. 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.
1. Upgrade your Java SDK to [v29.5.0](https://github.com/stripe/stripe-java/releases/tag/v29.5.0)
1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md).
1. [Test your integration](https://docs.stripe.com/testing.md) against the new version.
1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md).
1. 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.
1. Upgrade your Node SDK to [v18.5.0](https://github.com/stripe/stripe-node/releases/tag/v18.5.0)
1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md).
1. [Test your integration](https://docs.stripe.com/testing.md) against the new version.
1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md).
1. 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.
1. Upgrade your Go SDK to [v82.5.0](https://github.com/stripe/stripe-go/releases/tag/v82.5.0)
1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md).
1. [Test your integration](https://docs.stripe.com/testing.md) against the new version.
1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md).
1. 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.
1. Upgrade your .NET SDK to [v48.5.0](https://github.com/stripe/stripe-dotnet/releases/tag/v48.5.0)
1. Upgrade the API version used for [webhook endpoints](https://docs.stripe.com/webhooks/versioning.md).
1. [Test your integration](https://docs.stripe.com/testing.md) against the new version.
1. If you use Connect, [test your Connect integration](https://docs.stripe.com/connect/testing.md).
1. 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

- [Adds support for PayNow on Terminal](https://docs.stripe.com/changelog/basil/2025-08-27/terminal-paynow-api.md)
- [Adds support for MXN currency in Terminal tipping configuration](https://docs.stripe.com/changelog/basil/2025-08-27/terminal-tipping-configuration-mxn.md)
- [Makes CVC optional when presenting a payment method on a simulated reader](https://docs.stripe.com/changelog/basil/2025-08-27/make-cvc-optional.md)
