Feature · Visual plugin builder

Every integration is a flow graph.

No SDK, no module to publish. Drag twelve node types onto a canvas, wire them together, and the runtime walks the graph on every invocation. Payment gateways, hypervisors, registrars, notifications — all of them, the same way.

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12 node types5 plugin categories6 starter templates9 flow scaffolds.xzplugin import / export

Authoring

The graph is the plugin.

What you draw on the canvas is what gets persisted to visual_plugin_flows.canvas as JSONB. No build artefact, no compilation, no SDK module. The same shape ships in the .xzplugin export and the same shape replays on import.

stripe / create-checkout-session

flow

Start

flow

Transform

data

amount → cents

HTTP Request

data

POST /checkout/sessions

Condition

flow

status_code === 200

End

flow

5 nodes · 4 edges

visual_plugin_flows.canvas

stripe-visual.xzplugin (extracted)

json

{
  "format": "fluxbilling-visual-plugin",
  "version": "2.0",
  "plugin": {
    "name": "Stripe",
    "slug": "stripe",
    "type": "payment-gateway",
    "capabilities": {
      "supportsRefund": true,
      "supportsRecurring": true,
      "webhookRequired": true
    }
  },
  "connections": [{
    "slug": "stripe-api",
    "baseUrl": "https://api.stripe.com/v1",
    "authType": "bearer_token"
  }],
  "flows": [{
    "slug": "create-checkout-session",
    "flowType": "action",
    "canvas": { "nodes": [/* 5 */], "edges": [/* 4 */] }
  }]
}

Canvas

Twelve node types. Enough for any REST integration.

The library is intentionally small. HTTP, transform, branch, loop — the primitives every integration actually uses. Each node emits structured output to the run trace, so debugging is reading a list, not stepping through a debugger.

12 nodes · JSONB graph · sourced from visual-plugins/nodes/

Start

flow

Entry point

End

flow

Exit point

Condition

flow

If / else branching

Switch

flow

Multi-way branch on a value

Loop

flow

Iterate over an array

HTTP Request

data

Call an external API

Transform

data

Map and reshape data

Status Map

data

Provider status → internal

Set Variable

data

Store in flow context

Delay

util

Pause for N ms

Log

util

Trace output

Format Message

notify

Telegram / Slack / Discord

Surfaces

Five plugin categories. One runtime.

Every plugin declares one of five plugin.type values. The category routes the graph into the right host: payments through GatewayRegistry, infrastructure through VisualPluginAdapter, notifications through NotificationRetryProcessor.

type → what it does → shipped examples

5 categories

payment-gateway

Checkout sessions, captures, refunds, webhooks. Registers with GatewayRegistry.

Stripe, PayPal, Mollie, CoinGate, GoCardless

infrastructure-provider

Provision, suspend, terminate, power, snapshots. Bridges via VisualPluginAdapter.

Proxmox VE, VirtFusion, Virtualizor, Pterodactyl, SolusVM 2, cPanel/WHM

notification-integration

Outbound messages with FormatMessage templates, retry via NotificationRetryProcessor.

Telegram, Discord, Slack

automation

Background workflows triggered by platform events.

Custom business rules, cross-system sync

custom

Anything else — a flow graph wired to your own webhooks and endpoints.

Internal tools, reporting jobs

Starters

You almost never start from a blank canvas.

Six service-type starters scaffold the connection, capabilities, and a working flow set. Nine flow scaffolds add common shapes — lifecycle, power, data fetch, CRUD, payment — on top.

Service-type starters

6 templates

VPS / Cloud Provider

Power, lifecycle, snapshots, backups

Game Server Provider

Console, restart, kill, logs

Web Hosting Panel

Account create, suspend, password reset

Domain Registrar

License Provider

Issue, revoke, validate

Blank Plugin

Empty graph, build from scratch

Flow scaffolds

9 across 5 groups

Service Lifecycle

Provision, suspend, terminate

Power Actions

Start, stop, restart, kill

Data Operations

Status, stats, lists

CRUD Operations

Create, read, update, delete

Payment

Checkout, capture, refund, webhook

Distribution

Ship a plugin as a single .xzplugin file.

Export bundles the manifest, connections, flows, webhooks, forms, styles, and config schema into a gzipped JSON file. Import on any tenant. The marketplace publishes the same bundle — admins install with one click and configure the connection per tenant.

marketplace

Engineering

Plugin code is third-party code. Treated like it.

Every plugin runs in the tenant’s own pod under the same auth model and rate limits as a regular API client. No god-mode internals, no privileged escape hatches, no shared secrets across tenants.

Per-tenant isolation: Plugin set lives inside the tenant pod. Sensitive settings encrypted with the per-tenant SETTINGS_ENCRYPTION_KEY. No cross-tenant path.
Trace-first execution: FlowExecutor records per-node input, output, latency, and errors to the run trace. Debugging is reading a list, not stepping through a debugger.
Marketplace export-lock: Plugins installed from the marketplace cannot be re-exported. PluginPackager refuses on a marketplace_listing_id check — anti-piracy without DRM theatre.

Further readingNo-code automation for hosting with the visual plugin builder

Where this page fits

Web hosting billing automation softwareThe category guide: what automated hosting billing covers from order to dunning, with DCIM and IPAM built in.

Get started

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