# Google Standard Payments Google Hosted Diagnostic API

> [!CAUTION]
> **Caution:** This section of the Standard Payments documentation has been turned down. Visit the new Diagnostic developer documentation at one of the following links.

- [Banking FOP](https://developers.google.com/pay/banking-fop-v2/google-banking-fop-api/echo)
- [Card FOP](https://developers.google.com/pay/card-fop-v1/google-card-fop-api/echo)
- [Card Management](https://developers.google.com/pay/card-management-v1/google-card-management-api/echo)
- [Direct Carrier Billing](https://developers.google.com/pay/carriers-v1/google-carriers-api/echo)
- [Carrier Wallets](https://developers.google.com/pay/carrier-wallets-v1/google-carrier-wallets-api/echo)
- [Chargeback Alert](https://developers.google.com/pay/chargeback-alert-v1/google-chargeback-alert-api/echo)
- [e-Wallets](https://developers.google.com/pay/e-wallets-v1/google-e-wallets-api/echo)
- [India Card FOP](https://developers.google.com/pay/india-cards-v1/google-india-cards-api/echo)
- [One Time Payment Code](https://developers.google.com/pay/one-time-payment-code-v1/google-one-time-payment-code-api/echo)
- [Redirect FOP](https://developers.google.com/pay/redirect-fop-v1/google-redirect-fop-api/echo)
- [Redirect Payment Token](https://developers.google.com/pay/redirect-payment-token-v1/google-redirect-payment-token-api/echo)
- [Refundable One Time Payment Code v1](https://developers.google.com/pay/refundable-one-time-payment-code-v1/google-refundable-one-time-payment-code-api/echo)
- [Refundable One Time Payment Code v2](https://developers.google.com/pay/refundable-one-time-payment-code-v2/google-refundable-one-time-payment-code-api/echo)
- [Value on Device FOP](https://developers.google.com/pay/value-on-device-fop-v1/google-value-on-device-fop-api/echo)
- [Virtual Cards](https://developers.google.com/pay/virtual-cards-v1/google-virtual-cards-api/echo)