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Update inbox
Update inbox
inbox.update
Add to your agent
Inbox id
An inbox_id from inbox.create_webhook, inbox.create_email or inbox.list
Label
· optional
A label to recognise it by in lists
Secret
· optional
New signing secret for a verified webhook inbox
Extend hours
· optional
Allowed senders
· optional
Email inboxes: replace the allowed senders
Response status
· optional
Response body
· optional
Webhook inboxes: body to answer with
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Results appear here
Provider
Opentools
free
Use it from your agent
Ask your agent
API
View schema →
Once Opentools is connected, just ask your agent:
“Here's the Stripe signing secret for that webhook: whsec_…”
Connect Claude, Cursor or another MCP client →
Often used with
Create webhook inbox
inbox.create_webhook
A public URL that catches webhooks.
Create email inbox
inbox.create_email
A real address that receives mail.
List inboxes
inbox.list
Your webhook URLs and addresses.
Read inbox
inbox.messages
Requests or emails an inbox received.