Reply.io

Sales engagement platform for contacts, campaigns, and outbound outreach workflows.

Sales & CRMMarketing

Connect it

In Keystile Automations → Connections → New connection, choose Reply.io and sign in. Your AI tools and workflows then use it through Keystile; they never see the password or key.How connecting works.

Try it from your AI tool

Using Keystile, in Reply.io: add contact to campaign (Create a new contact (or update an existing one) and immediately enrol them in a campaign so they start receiving outreach emails).

What it can do (10 actions)

Action	What it does	Changes data
Add Contact to Campaign	Create a new contact (or update an existing one) and immediately enrol them in a campaign so they start receiving outreach emails.
Create or Update Contact	Add a new contact to Reply.io, or update their details if a contact with that email already exists.
Custom API Call	Make a custom API call to a specific endpoint	Yes
Delete Contact	Permanently delete a contact from Reply.io by their email address. This cannot be undone.
Get Contact	Look up a contact in Reply.io by their email address and retrieve their details.
Mark Contact as Finished	Mark a contact as finished so they no longer receive emails in any campaign. Use this when you have completed all outreach to that contact.
Mark Contact as Replied	Record that a contact has replied to your outreach. This stops further follow-up emails to that contact across all active campaigns.
Push Contact to Campaign	Enrol an existing contact in a campaign so they start receiving outreach emails. Enable "Force Push" to move the contact even if they are already active in another campaign.
Remove Contact from All Campaigns	Remove a contact from every campaign they are enrolled in. No further emails will be sent to them. Their contact record is kept in Reply.io.
Remove Contact from Campaign	Stop a contact from receiving further emails in a specific campaign. The contact's record is kept in Reply.io.

How Keystile protects it

Every Reply.io action is checked before it runs, whether it comes from an AI tool or a workflow. 1 of its actions change data; your rules, limits and budgets decide whether each is allowed, held for a person or stopped, and it all goes into the signed record.

Tip

Write rules about what an action means — for example "Deleting Reply.io records needs a person's approval" — rather than listing action names. Keystile Intelligence applies them to every action that fits.

Use Reply.io with your AI assistant — safelyClaude, Cursor or ChatGPT do the work; Keystile checks every action first.

Get early access

← All apps