> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes.

# JSONRPCErrorResponse

> Shape of a JSON-RPC 2.0 error response.

Shape of a JSON-RPC 2.0 error response. Returned from [`WebRTCCall.execute`](/docs/browser-sdk/v4/reference/webrtc-call/execute) and [`executeMethod`](/docs/browser-sdk/v4/reference/webrtc-call/execute-method) when the server reports an error.

## **Properties**

**`error`** `TError`

Error object describing the failure.

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**`id`** `string` — required

ID matching the original request.

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**`jsonrpc`** `"2.0"` — required

JSON-RPC protocol version. Always `"2.0"`.

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**`result`** `TError`

Always absent on error responses (typed for union discrimination).

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> Shape of a JSON-RPC 2.0 error response.