---
url: "https://docs.portone.cloud/docs/payletter"
title: "Payletter Global"
---
### Introduction [Skip link to Introduction](https://docs.portone.cloud/docs/payletter\#introduction)
Payletter provides overseas payment services to businesses that do not own overseas corporations. Secure overseas
customers through Payletter.
**This integration supports Overseas Payment Service only.**
* * *
### Supported Countries [Skip link to Supported Countries](https://docs.portone.cloud/docs/payletter\#supported-countries)
- Global 🌏
* * *
### Available Payment Methods [Skip link to Available Payment Methods](https://docs.portone.cloud/docs/payletter\#available-payment-methods)
Payletter currently supports USD($), JPY(¥) and KRW(₩) currency.
| Payment Type | Payment Method Key | Integration Status | Refund Supported | Sandbox Availability |
| --- | --- | --- | --- | --- |
| Credit/Debit Card | `PAYLETTER_CREDIT_CARD` | ✅ | ✅ | ✅ |
* * *
### Miscellaneous Details [Skip link to Miscellaneous Details](https://docs.portone.cloud/docs/payletter\#miscellaneous-details)
- Name is a required field
- Email is a required field
- Can only test unauthorized credit card mode in sandbox mode
- This integration also supports recurring payment for a customer, for more details please connect with PortOne support
team
- KRW does not support decimal amounts
* * *
### Sandbox [Skip link to Sandbox](https://docs.portone.cloud/docs/payletter\#sandbox)
#### Credentials for USD [Skip link to Credentials for USD](https://docs.portone.cloud/docs/payletter\#credentials-for-usd)
| Key | Value |
| --- | --- |
| Api Key | cdcfc9d37e47ae13a43ab8411858b396 |
| Store Id | portone\_test |
#### Credentials for JPY [Skip link to Credentials for JPY](https://docs.portone.cloud/docs/payletter\#credentials-for-jpy)
| Key | Value |
| --- | --- |
| Api Key | 10b94e85b050e7d51a790c1bdb0610b0 |
| Store Id | portoneJP\_test |
#### Credentials for KRW [Skip link to Credentials for KRW](https://docs.portone.cloud/docs/payletter\#credentials-for-krw)
| Key | Value |
| --- | --- |
| Api Key | 909b68b1d6bb1f1996db4f30efddac36 |
| Store Id | portoneKR\_test |
* * *
#### Test cards data [Skip link to Test cards data](https://docs.portone.cloud/docs/payletter\#test-cards-data)
As mentioned earlier only unauthorized credit card mode is available in sandbox mode.
1. Please enter credit card number like below.
- **Visa**: Random number starting with 4
- **Master**: Random number starting with 51
- **JCB**: Random number starting with 35
- **Amex**: Random number starting with 34
2. Please enter any future Expiry date and CVV number randomly.
* * *
#### Use following values in embedded JS code to pay via Payletter channel [Skip link to Use following values in embedded JS code to pay via Payletter channel](https://docs.portone.cloud/docs/payletter\#use-following-values-in-embedded-js-code-to-pay-via-payletter-channel)
JavaScript
```rdmd-code lang-javascript theme-light
"pmt_channel": "PAYLETTER",
"pmt_method": { Any of above given payment method keys },
```
* * *
### Reference links [Skip link to Reference links](https://docs.portone.cloud/docs/payletter\#reference-links)
- [API Docs](https://www.payletter.com/en/technical/index_global#payletter)