Webhooks
Give Claude the power to send webhooks. AI notifies external services, triggers automations, and keeps systems in sync.
Before
You
When a new user signs up, notify Slack and add them to our CRM.
I can't send webhooks or call external APIs—no way to notify other services about events.
You'll need to set this up in Zapier or write custom integration code.
After
You
When a new user signs up, notify Slack and add them to our CRM.
Using relay.create_hook
relay.create_hook(event: "user.created", targets: ["slack", "hubspot"])
Webhook Created
Trigger: user.created
Target 1: Slack #new-signups
Target 2: HubSpot contacts
Retry: 3x with backoff
Webhook active. New signups will now notify Slack and create HubSpot contacts automatically.
Available via MCP (Model Context Protocol)
relay.create_hook(event, targets)
"Notify Slack on signup"
relay.send_webhook(url, payload)
"Send this to Zapier"
relay.list_hooks()
"Show all webhooks"
relay.delivery_status(hook_id)
"Did that webhook succeed?"
We're building Relay as part of Phase 2. Follow along to get early access.