Go to Instatus, under Integrations, select Custom service (webhook)
Copy your page's webhook URL
If you want to open a new incident, send a POST request to the URL with the following body Encode it as JSON with the Content-Type: application/json
header, and be sure to include the templates.
{"trigger": "down","createTemplate": "cl8hrdsdsasu232441sv26yq","status": "PARTIALOUTAGE"}`
Status is optional
{"trigger": "up","resolveTemplate": "cl8hrdsdsasu232342441sv26yq"}`