Node reference overview
Every node on the canvas is documented here: what it does, its config fields, and exactly how the runtime treats it.
Anatomy of a node
Section titled “Anatomy of a node”- Input port (left) — receives the conversation from the previous node.
- Output ports (right) — where the conversation goes next. Most nodes have one; Confidence Check has two labeled branches.
- Resource port (bottom of the AI Agent) — accepts dashed wires from Knowledge Base and Custom Tool nodes.
A turn starts at the trigger matching the channel the message came from, then follows wires node by node (up to 20 steps) until there’s nothing left to run.
Status labels
Section titled “Status labels”Zapito’s canvas ships slightly ahead of its runtime, and these docs tell you exactly where the line is:
- Live — the node (or field) does what it says in production today.
- Config-only — the field is saved with your flow but the runtime doesn’t act on it yet; it will light up without you rebuilding anything.
- Coming soon — the node can be placed and configured, but its channel or action isn’t wired to the engine yet.
The nodes
Section titled “The nodes”| Node | Role | Status |
|---|---|---|
| WhatsApp Trigger | Starts the flow on WhatsApp messages | Live (sandbox) |
| Telegram Trigger | Starts the flow on Telegram messages | Live |
| Web Widget Trigger | Starts the flow from the site chat bubble | Live |
| Instagram Trigger | Starts the flow on Instagram DMs | Coming soon |
| Messenger Trigger | Starts the flow on Facebook Page messages | Coming soon |
| SMS / RCS Trigger | Starts the flow on inbound SMS | Coming soon |
| AI Agent | Reads the message and writes the reply | Live |
| Knowledge Base | Real content the agent answers from — pages, text, PDFs | Live |
| Custom Tool | Calls your API, response goes to the agent | Live |
| Confidence Check | Branches on the agent’s confidence | Live |
| Send Reply | Delivers the agent’s answer | Live |
| Human Handoff | Escalates to a teammate — the one degradation door | Live |
| Leads: inbox & webhook | No CRM node needed — handoffs land in your inbox and fire your webhook | Live |
| Wait | Pauses the flow a few seconds | Live |