{"command":{"effect":"read","timeoutSeconds":30,"inputSchema":{"type":"object","description":"**This endpoint allows you to retrieve the public key for a single Event Webhook by ID.**\n\nIf you do not pass a webhook ID to this endpoint, it will return the public key for your oldest webhook by `created_date`. This means the default key returned by this endpoint when no ID is provided will be for the first webhook you created. This functionality allows customers who do not have multiple webhooks to use this endpoint to retrieve their only webhook's public key, even if they do not supply an ID. If you have multiple webhooks, you can retrieve their IDs using the [**Get All Event Webhooks**](https://docs.sendgrid.com/api-reference/webhooks/get-all-event-webhooks) endpoint.\n\nOnce you have enabled signature verification for a webhook, you will need the public key provided to verify the signatures on requests coming from Twilio SendGrid. You can use the webhook ID to [enable or disable signature verification with the endpoint dedicated for that operation](https://docs.sendgrid.com/api-reference/webhooks/toggle-signature-verification-for-an-event-webhook).\n\nFor more information about cryptographically signing the Event Webhook, see [**Getting Started with the Event Webhook Security Features**](https://sendgrid.com/docs/for-developers/tracking-events/getting-started-event-webhook-security-features).","properties":{"headers":{"type":"object","properties":{"on-behalf-of":{"type":"string","description":"The `on-behalf-of` header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You will use the parent account's API key when using this header. When making a call on behalf of a customer account, the property value should be \"account-id\" followed by the customer account's ID (e.g., `on-behalf-of: account-id <account-id>`). When making a call on behalf of a Subuser, the property value should be the Subuser's username (e.g., `on-behalf-of: <subuser-username>`). See [**On Behalf Of**](https://docs.sendgrid.com/api-reference/how-to-use-the-sendgrid-v3-api/on-behalf-of) for more information."}},"required":[],"additionalProperties":false},"path":{"type":"object","properties":{"id":{"type":"string","description":"The ID of the Event Webhook you want to retrieve."}},"required":["id"],"additionalProperties":false}},"required":["path"],"additionalProperties":false},"name":"Get Signed Event Webhook's Public Key","id":"sendgrid.webhooks.getsignedeventwebhook","example":{"path":{"id":"example"}},"maxRequests":1,"summary":false}}