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RPC methods are a set of functions that allow developers to interact directly with the Stellar network. You can learn more about all the RPC methods here. The Lab provides an easy way to use these methods from the UI. To access the “RPC Methods” items, click on the “API Explorer” link in the main navigation, then click the “RPC Methods” submenu link, which will open another submenu listing all RPC methods by name. Click on the method name to open that page.
RPC URL is required to submit these methods. You can update or set the RPC URL in the network selector in the top right corner.

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Example

We’ll select the getLedgerEntries method as an example. At the top of the page is a “View Docs” link to learn more about this method. The read-only input field shows the RPC URL (you’ll see a warning to provide the RPC URL if the input is empty). Next to the input is a Submit button, which will be disabled until all the required data is filled and valid. The Share and Save buttons are next to the Submit button. More about them below. There are two ways to input the Ledger Key: XDR Base64 string or manual inputs. You can change the input mode by clicking the “Switch input” button. Here’s an example when inputting XDR string AAAABgAAAAHMA/50/Q+w3Ni8UXWm/trxFBfAfl6De5kFttaMT0/ACwAAABAAAAABAAAAAgAAAA8AAAAHQ291bnRlcgAAAAASAAAAAAAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAAE=. Manual inputs are generated as read-only (XDR string would be generated if the manual input mode was selected and correctly filled). Lab: getLedgerEntries example You can add multiple ledger keys by clicking the “Add another ledger key” button. You can change the response format in the “XDR Format” dropdown: base64 (XDR) or json (more human-readable). The “Payload” section generates a preview of the payload that will be submitted. To submit the request, click the Submit button at the top (it should be enabled if all the fields are correct). Once the request is processed, the response will be displayed at the bottom of the page.

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Share Feature

The Stellar Lab allows you to share RPC methods with filled data. Simply click on the Share button (next to the Submit button) to copy the link to share. Here is an example of the shareable link from the above.

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Saved Requests

You can save methods in the browser’s local storage by clicking the Save button (next to the Share button). Once you click that button, a modal will pop up, where you will need to enter the name and click save. To view your saved RPC methods in the Lab, click the “Saved” link in the main menu, then click the “Requests” submenu link. Then click the “RPC Methods” tab in the top right.