> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tenderly.co/llms.txt
> Use this file to discover all available pages before exploring further.

# FAQ: Node

> Find or reset your Node RPC access key and learn why tenderly_estimateGas returns 100% gas-accurate estimations across supported networks.

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  <Card>
    <div className="flex flex-col gap-2">
      <h2 id="do-i-need-a-paid-plan-to-use-node-rpc" className="text-xl font-semibold">Do I need a paid plan to use Node RPC?</h2>

      <hr className="dark:border-neutral-800" />

      <div>
        Yes. Node RPC is available on the paid plan. To enable it for your account, [contact our sales team](https://tenderly.co/contact-us) to schedule a call and discuss upgrading your plan.
      </div>
    </div>
  </Card>

  <Card>
    <div className="flex flex-col gap-2">
      <h2 id="where-can-i-find-the-node-rpc-access-key" className="text-xl font-semibold">Where can I find the Node RPC access key?</h2>

      <hr className="dark:border-neutral-800" />

      <div>
        To find your [Node RPC](/node-rpc/overview) access key, open the [Tenderly
        Dashboard](https://dashboard.tenderly.co/?redirectTo=gateways) and navigate to the Node tab in the navigation
        menu. Your access key is at the top of the page.
      </div>
    </div>
  </Card>

  <Card>
    <div className="flex flex-col gap-2">
      <h2 id="can-i-change-the-node-rpc-access-key" className="text-xl font-semibold">Can I change the Node RPC access key?</h2>

      <hr className="dark:border-neutral-800" />

      <div>
        Yes, you can change your node access key. In the [Tenderly
        Dashboard](https://dashboard.tenderly.co/?redirectTo=gateways), head over to the Node tab in the navigation
        menu. Your access key is at the top of the page. Click “...” and then **Reset Access Key**.
      </div>
    </div>
  </Card>

  <Card>
    <div className="flex flex-col gap-2">
      <h2 id="how-does-tenderly-estimategas-provide-100-accurate" className="text-xl font-semibold">How does tenderly\_estimateGas provide 100% accurate estimations?</h2>

      <hr className="dark:border-neutral-800" />

      <div>
        The `tenderly_estimateGas` [RPC method](/node-rpc/rpc-reference) ensures accuracy by providing enough `gas` so no internal calls fail.
        The `eth_estimateGas` might underestimate the gas in case of reverts due to insufficient `gas` provided to the transaction.
      </div>
    </div>
  </Card>
</div>