What is Custom Integrations?
Custom Integrations are workflows that sync non-standard data between the tools a business already runs on, built via APIs, webhooks and platforms like n8n, Make, Zapier and Pipedream. UnderCurrent Automations, based in Melbourne, scopes, builds, documents and monitors each integration so Australian small businesses run one connected system instead of ten disconnected subscriptions, with AI agent orchestration layered on top when the workflow needs to act, not just move data.
It is not a single tool you buy; it is the orchestration layer on top of the tools you already pay for, tuned to how Custom Integrations runs in your business day to day.
What does the build include?
One connected system, not ten disconnected subscriptions. 8 deliverables by default, each tuned to how your business already operates.
- 01Workflow builds on n8n (self-hosted or cloud), Make, Zapier and Pipedream
- 02Direct API integrations in Node.js or Python when a no-code platform will not do the job
- 03Webhook plumbing: receive, transform, route and retry, with full audit trails in every step
- 04OAuth and API-key management across every vendor your workflows touch, stored in your account
- 05Multi-step AI agent systems using OpenAI, Anthropic and Cohere APIs wired into your business data
- 06Error handling and alerting into Slack, email or PagerDuty the moment a workflow breaks
- 07Documentation: every integration ships with a diagram, a runbook and a named maintainer
- 08Monthly monitoring retainer for workflows that touch revenue, with SLA-backed fixes
Who is it built for?
If your stack is a collection of tools that should be a system, and the gap between them is costing a day a week in manual work, this is the discipline we run. Common across tradies, business services, consultants and allied health practices in Australia.
Tradies and field services
Stop re-typing the same job four times.
Plumbers, electricians, builders, logistics crews. ServiceM8 or Jobber runs the job, Xero sends the invoice, Gmail handles the client reply, and someone on your team rekeys the address into each one. We wire job-management, accounting, CRM, SMS and calendar so a job flows end-to-end without duplicate data entry.
Business services and consultants
The integration your SaaS vendor has not shipped.
Accounting firms, agencies, strategy consultants, RevOps teams. Stripe into HubSpot with custom segmentation, Clio into Xero, Notion into Slack with approval flows, your internal tool into the vendor that should have shipped the integration already. We build what the roadmap never will.
Allied health practices
Clinic admin that does not eat your Friday.
Physios, psychologists, osteopaths, podiatrists. Cliniko, Halaxy or Nookal runs bookings, HICAPS handles claiming, Xero does the books, and a patient-email tool sends reminders. We connect all of it, then layer an AI agent on top for inbound enquiries using OpenAI or Anthropic APIs wired into your n8n workflow.
What tools does it work with?
We build on the stack you already run. If a tool has an API, we can wire into it. Common integrations we deploy for Custom Integrations:
If you don't have a system in place yet, we help you choose a lightweight option that fits your business without adding overhead.
How does UnderCurrent build it?
Scope, build, document, monitor. Then it runs. We move in weeks, not months.
- 01
Map
Audit how this works today. Sources, tools, handoffs, drop-off points. Output: a map with priority fixes.
- 02
Build
Deploy automation against your existing stack. Configured, tested, and documented end to end.
- 03
Flow
Hand over, train, monitor for 30 days. Results visible within 2–3 weeks of live.
How does it compare to alternatives?
Most businesses have tried a Zapier subscription, a half-built integration from a freelancer, or waited 18 months for a vendor to ship something. Rows are capabilities; columns are approaches. A check means the approach consistently delivers.
| Capability | UnderCurrent | DIY Zapier | No-Code Only | Dev Freelancer |
|---|---|---|---|---|
| Works when an API has no ready-made connector | ✓ | · | · | · |
| Handles auth, retries and error routing properly | ✓ | · | ✓ | ✓ |
| Documented diagrams and runbooks on handover | ✓ | · | · | · |
| Self-hosting option (n8n, no per-task fees) | ✓ | ✓ | · | · |
| Includes AI agent orchestration | ✓ | · | · | · |
| Fixable by another dev after we leave | ✓ | ✓ | ✓ | · |
What does it cost?
Project-priced, not per-seat. No ongoing software licence fees, because we build on the stack you already pay for.
from AUD $1,500
Single flow
One integration
A single workflow on n8n, Make or Zapier. Scoped, built, tested, documented. Good fit for a Stripe-to-CRM sync or a web-form-to-Slack alert.
from AUD $4,500
Multi-system
Workflow bundle
A connected set of workflows across 4 to 8 tools with error routing and an AI step where useful. The standard small-business integration project.
from AUD $800/mo
Monitored
Ongoing
Monthly retainer for workflows that touch revenue: monitoring, SLA-backed fixes, iteration, new integration additions. Requires an initial build.
How long does it take?
Most builds go live within 7 to 14 days of the first scoping call. Week one is discovery; week two is build and rollout. Measurable results are visible within 2 to 3 weeks of going live.
Full, multi-channel systems run 3 to 4 weeks end-to-end. We give you a firm timeline before committing, with no scope creep.
Where does UnderCurrent operate?
Based in Melbourne, Australia. We serve clients across Melbourne, Sydney, Brisbane, Perth, Adelaide, Canberra, Victoria, New South Wales, Queensland, Western Australia, South Australia, Australian Capital Territory, Australia. Most discovery and build work runs remotely; onsite sessions are available across greater Melbourne.
Frequently asked questions
What does custom integration mean?
A custom integration is a workflow UnderCurrent Automations builds to sync non-standard data between tools via APIs, webhooks, or platforms like n8n, Make and Zapier. It is custom because a generic connector either does not exist, or the one that does misses the fields and rules your business runs on. The result is one connected system instead of staff retyping data between ServiceM8, Xero, HubSpot, Cliniko or whatever stack you already pay for.
What are software integration services?
Software integration services connect two or more business tools so data, triggers and actions flow between them without manual copy-paste. The work covers scoping the APIs involved, choosing a platform (n8n, Make, Zapier) or writing direct code (Node.js, Python), handling authentication, routing errors, and documenting the result. For Australian small businesses, the goal is usually fewer subscriptions acting as islands and more revenue-critical steps happening on their own.
When should I use n8n vs Make vs Zapier?
Zapier for simple one-to-one triggers between popular apps when speed-to-live matters more than cost. Make when a workflow has branching, loops and five or more steps and running cost starts to matter. n8n when you want self-hosting, full JavaScript in nodes, or to avoid per-task fees at high volume. We recommend based on your usage pattern and budget, not vendor preference.
What are examples of integration tools?
The three most common for Australian small businesses are n8n, Make and Zapier. Beyond those, Pipedream and Workato cover heavier iPaaS work, and direct SDKs in Node.js or Python handle anything with a strange auth flow or no public connector. Typical stacks we join include HubSpot, Salesforce, Stripe, Xero, ServiceM8, Jobber, Notion and Supabase, plus Cliniko and HICAPS on the allied health side.
Can you build AI agents, not just integrations?
Yes. Many of our integrations now include an AI layer: a GPT-4 call inside an n8n workflow, a Claude-powered research step, a multi-agent system that handles inbound leads. We use OpenAI, Anthropic and Cohere APIs directly and wire them into your existing tools, so the agent can read a CRM, send an email and write to a database, not just answer in a chat window.
What happens when an API changes or breaks?
Every workflow ships with error routing and alerting into Slack, email or PagerDuty. For workflows that touch revenue, our monthly monitoring retainer covers detection, diagnosis and fix within a defined SLA. For one-off builds, we hand over documentation and a runbook so your team, or any other developer, can repair it without us. Nothing is locked to UnderCurrent, you own every credential and every workflow export.
How long until a custom integration goes live?
A single-flow integration on n8n, Make or Zapier is usually scoped, built and documented in 1 to 2 weeks. A multi-system workflow across 4 to 8 tools with error routing and an AI step runs 3 to 5 weeks depending on vendor API complexity. Direct API builds in Node.js or Python are project-priced with their own timeline. We move in weeks, not months, and scope the dates in writing before anyone commits.
Luke Marinovic
Founder of UnderCurrent Automations. Builds sales, content, finance and operations automation for Australian small businesses.
Related services and source material.
Connect the stack. Stop the duplicate data entry.
Book a free 30-minute call. We map your stack, find the integration gaps costing hours each week, and show you what the wired-up version looks like before you commit.