> For the complete documentation index, see [llms.txt](https://metapath.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://metapath.gitbook.io/docs/metapath-user-guide/user-guide/cn/jiao-cheng/swft-wu-gas-fei-dui-huan-fu-wu.md).

# SWFT 无GAS费兑换服务

满足 无 gas 兑换条件：

1\. TRON, BSC,POLYGON,HECO,OKExChain 链的代币

2\. 主网币 不足

3\. swft 渠道

4.使用小狐狸钱包的用户需要打开  切换eth\_sign请求 功能，步骤如下\
![](https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2F7o61nbWC2bEtSrQL2mNJ%2Fimage.png?alt=media\&token=0e019f4e-e89e-439c-9e76-c43bd41c5753)

![](https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2FKVKAcYFYXNhOqWvT8jwy%2Fimage.png?alt=media\&token=4c3a7518-ddc8-4c93-b134-b57e2c7bcaf1)

![](https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2FB31KftwhLdpso6N89jUf%2Fimage.png?alt=media\&token=73005e47-33e9-4346-8226-1a585cc808be)

1、选择From币种为代币(若为主网币则表示有足够的金额来支付GAS费，所以不会触发无 GAS 服务)，兑换时要保证无足够的主网币来支付GAS费，以BSC链为例

![](https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2FZiePgfnmGUFHC1fjK3lJ%2Fimage.png?alt=media\&token=c6828d4a-172f-4d97-bf3c-f99232c44528)

2、点击询价

![](https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2FXbpCQaI0X7LLblbpjUqi%2Fimage.png?alt=media\&token=d507f3ca-d8ec-4ea1-8ea5-cb27b8500c68)

3、满足无 GAS服务要求的 SWFT渠道会出现相关提示，点击 蓝色区域提示文字会跳转到对应的说明文档，解释并说明 无GAS 服务。

<figure><img src="https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2FYajC5xvGHZLkd4PFvkX0%2Fimage.png?alt=media&amp;token=f7757539-3525-4e4d-82d5-c51202e8fc17" alt=""><figcaption></figcaption></figure>

4、选择SWFT渠道，点击兑换即享有了 无GAS兑换服务。

<figure><img src="https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2Fw9xGRkXcxBom17zwenDj%2Fimage.png?alt=media&amp;token=fb01fcd8-7aec-46e7-895a-0c19b7fb78d9" alt=""><figcaption></figcaption></figure>

5、兑换订单中订单有相关 无GAS兑换服务 说明，点击跳转至对应说明文档

![](https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2FPbNa14aSqh31WgIMVaaR%2Fimage.png?alt=media\&token=cb925570-29b9-45fa-aa60-2668b0811a03)

兑换完成的订单会有相关标识和字段

![](https://2206151930-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F0IiInwiM4M18NK0ZFzYk%2Fuploads%2FZBQZ8TGnJm8HjYUL8MTH%2Fimage.png?alt=media\&token=65a21b71-2a6d-43f2-95ab-c7f686e98ddd)