# Metamask

***Switch to RPC Polygon Network***

***​To use AirTnT, we recommend the following steps to RPC URL.***

***Step 1 : Select the Network bar above the unlocked Metamask wallet.***

​​![](/files/kTaxG7XR36DdmQqKyU0o)

***Step 2 : Select Add Network.***

​​![](/files/BPQ9InFPIrLIRfOeNUhX)

***Step 3 : Enter details as below and save.***

***Network Name: Polygon***\
***New RPC URL:*** [***https://polygon-rpc.com/***](https://polygon-rpc.com/)

***Chain ID: 137*** \
***Currency Symbol: MATIC***​

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<figure><img src="/files/h3emx1th3yAlfX5UnIbp" alt=""><figcaption></figcaption></figure>

***Step 4 : Check the right router is notified***

Polygon has been added to the Metamask wallet!

<figure><img src="/files/LtqHouJYX6aUJFOr5phD" alt=""><figcaption></figcaption></figure>

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
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```

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The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.