# Open Platform V2

## English

- [Guides](https://platformv2docs.chainup.com/english-3/guides.md)
- [Development Notes](https://platformv2docs.chainup.com/english-3/development-notes.md)
- [OAuth Authorization](https://platformv2docs.chainup.com/english-3/oauth-authorization.md)
- [Payments](https://platformv2docs.chainup.com/english-3/payments.md)
- [Coin Grants/Refund](https://platformv2docs.chainup.com/english-3/coin-grants-refund.md)
- [User Asset](https://platformv2docs.chainup.com/english-3/user-asset.md)
- [User Trade Query](https://platformv2docs.chainup.com/english-3/user-trade-query.md)
- [User Information API](https://platformv2docs.chainup.com/english-3/user-information-api.md)
- [Contract transaction](https://platformv2docs.chainup.com/english-3/contract-transaction.md)
- [Wallet](https://platformv2docs.chainup.com/english-3/wallet.md)
- [Sample request](https://platformv2docs.chainup.com/english-3/sample-request.md)
- [Country code](https://platformv2docs.chainup.com/english-3/country-code.md)
- [Staking](https://platformv2docs.chainup.com/english-3/staking.md)

## 简体中文

- [开放平台指引](https://platformv2docs.chainup.com/kai-fang-ping-tai-zhi-yin.md)
- [开发须知](https://platformv2docs.chainup.com/kai-fa-xu-zhi.md)
- [OAuth授权](https://platformv2docs.chainup.com/oauth-shou-quan.md)
- [支付](https://platformv2docs.chainup.com/zhi-fu.md)
- [赠币](https://platformv2docs.chainup.com/zeng-bi.md)
- [用户资产接口](https://platformv2docs.chainup.com/yong-hu-zi-chan-jie-kou.md)
- [用户交易查询接口](https://platformv2docs.chainup.com/yong-hu-jiao-yi-cha-xun-jie-kou.md)
- [用户信息接口](https://platformv2docs.chainup.com/yong-hu-xin-xi-jie-kou.md)
- [合约交易](https://platformv2docs.chainup.com/he-yue-jiao-yi.md)
- [第三方免登录](https://platformv2docs.chainup.com/di-san-fang-mian-deng-lu.md)
- [钱包](https://platformv2docs.chainup.com/qian-bao.md)
- [RWA](https://platformv2docs.chainup.com/rwa.md)
- [调用示例](https://platformv2docs.chainup.com/diao-yong-shi-li.md)
- [国家编码](https://platformv2docs.chainup.com/guo-jia-bian-ma.md)
- [理财](https://platformv2docs.chainup.com/li-cai.md)