{ "$schema": "http://json-schema.org/draft-07/schema#", "title": "TestWebhookPayload", "description": "", "type": "object", "properties": { "url": { "type": "string", "format": "uri", "description": "Webhook URL" }, "hmac_secret": { "type": "string", "description": "HMAC secret for signing the request" } }, "required": [ "url" ] }