Inkbox Integration for AI Agents
Connect your AI agent to 195 Inkbox actions via MCP, A2A, or SDK, with agent authentication, tool-calling execution, and security built-in, plus 45 events to subscribe to.
Inkbox AI Agent Actions
195 production-ready actions for your agent to do more on Inkbox.
Inkbox Webhook Events
45 real-time Inkbox events your AI agent can subscribe to.
- Active Check Responds with 200 OK to any Inkbox delivery that carries no event_type.
- Email Received Fired when a new inbound email is stored in an agent identity mailbox.
- Email Sent Fired when an outbound email is accepted for delivery (not fired for forwards).
- Email Forwarded Fired when a stored email is forwarded.
- Email Delivered Fired when delivery of an outbound email to the recipient's mail server is confirmed.
- Email Bounced Fired when an outbound email bounces or receives a complaint.
- Email Failed Fired when an outbound email permanently fails after all retry attempts.
- Text Received Fired when an incoming SMS or MMS arrives on the identity phone number.
- Text Sent Fired when an outbound SMS or MMS is accepted for delivery.
- Text Delivered Fired when an outbound text reaches the recipient's handset.
- Text Delivery Failed Fired when an outbound text fails to reach the recipient.
- Text Delivery Unconfirmed Fired when delivery of an outbound text cannot be confirmed.
- iMessage Received Fired when an incoming iMessage reaches the identity.
- iMessage Reaction Received Fired when an incoming iMessage reaction (tapback) arrives.
- iMessage Sent Fired when an outbound iMessage is reported as sent.
- iMessage Delivered Fired when an outbound iMessage reaches the recipient's device.
- iMessage Delivery Failed Fired when an outbound iMessage fails to deliver.
- Call Ended Fired when a phone call ends (Voice AI calls also report when they never connect).
- A2A Task Created Fired when another agent creates an Agent2Agent task for this identity.
- A2A Task Message Fired when a caller adds a message to an open Agent2Agent task.
- A2A Task Canceled Fired when a caller cancels an open Agent2Agent task.
- A2A Sent Task Updated Fired when a task sent by this identity receives an update from the target agent.
- Slack DM Received Fired when a Slack direct message (including replies) arrives.
- Slack Group DM Received Fired when a Slack group direct message arrives.
- Slack Channel Message Received Fired when a Slack channel message arrives.
- Slack Mention Received Fired when a Slack message explicitly mentions the identity's bot.
- Slack Thread Reply Received Fired when a reply arrives in a Slack thread.
- Slack Message Updated Fired when a Slack message is edited.
- Slack Message Deleted Fired when a Slack message is deleted.
- Slack Reaction Added Fired when a reaction is added to a Slack item.
- Slack Reaction Removed Fired when a reaction is removed from a Slack item.
- Slack Member Joined Fired when a member joins a Slack conversation.
- Slack Member Left Fired when a member leaves a Slack conversation.
- Slack Channel Updated Fired when a Slack channel's name, topic, purpose or archive status changes.
- Slack File Shared Fired when a file is shared in Slack.
- Slack File Changed Fired when a Slack file changes.
- Slack File Deleted Fired when a Slack file is deleted.
- Slack Pin Added Fired when an item is pinned in a Slack conversation.
- Slack Pin Removed Fired when an item is unpinned in a Slack conversation.
- Slack Connection Changed Fired when the Slack workspace connection changes status or needs attention (including rate-limit notices).
- Slack Message Sent Fired when an outbound Slack message is confirmed posted.
- Slack Message Send Failed Fired when an outbound Slack message fails to send.
- Slack Message Send Unknown Fired when the outcome of an outbound Slack send cannot be established.
- Slack Interaction Fired when a Slack user triggers an app action, shortcut, command or form.
- Slack Session Stopped Fired when a Slack user requests that an agent session stop.
Inkbox AI Agent Use Cases
Connect your AI agent to Inkbox and help your team scale the sales operations they run by hand today.
Use StackOne to connect your AI agent to your CRM, email, and calendar tools to automate post-demo follow-up.
ViewUse StackOne to connect your AI agent to your CRM, email, and calendar tools to automate deal risk scoring and pipeline alerts.
ViewUse StackOne to connect your AI agent to your CRM, sales engagement, and messaging tools to automate outbound prospecting.
ViewDo More, Build Less
Integration Infrastructure for Inkbox AI Agents
"What impressed us most about StackOne is its ambition and clarity. They're creating infrastructure that modern software and the entire AI agent ecosystem can rely on. The depth of secure integrations, the pace of delivery, and the team's foresight into AI's future uniquely position StackOne to redefine this category."
Luna Schmid, Partner at GV
"We've been impressed by how quickly and deeply StackOne integrates with complex enterprise systems -- and now, with their focus on agent-to-agent interoperability, they're unlocking even more powerful use cases for customers. StackOne delivers all of the above in a universal layer -- without compromise."
Barbry McGann, SVP at Workday Ventures
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