Integrations and automation
We connect your PMS, CRM, ERP, booking engine, email and payment systems, then remove the manual work around them with scheduled jobs, webhooks and data pipelines that run server side and log every call.

What it is
Integrations and automation is the work that makes the systems you already run behave like one system. Most mid-market companies do not need another tool. They need the PMS, the CRM, the ERP, the booking engine, the email platform and the payment provider to share the same data, so nobody retypes a reservation into a spreadsheet or copies a guest list by hand. Polargate builds those connections, then removes the manual steps around them: scheduled jobs, webhooks, data pipelines and internal automations that quietly do what a person was doing every morning.
How we do it
We start with the data, not with the tool. In the Discovery Sprint we map what each system holds, who owns it, which field wins when two disagree, and where the process breaks today. Then we build server side, in code, against the real APIs.
Every integration follows the same rules. Credentials live in a vault, never in the browser. Jobs are idempotent, so a retry cannot duplicate an order or a guest. Calls are logged, so you can see what ran, what changed and what failed. A sync fails closed rather than writing bad data, and we put guardrails on the dangerous cases: a mass checkout, a duplicate charge, a supplier feed that returns an empty page. Where possible the integration copies what it needs into your own database, so your site or app keeps working when the other system is down.
This is production experience, not theory. Polargate runs a five minute Oracle Opera Cloud guest sync across hotels, a resumable Microsoft Graph directory sync over roughly 45,600 employee records, a WordPress content pipeline that refreshes a festival app every 30 minutes with no runtime dependency on WordPress, booking engine integrations on hotel websites, GA4 and Search Console pulled into a client portal by OAuth, and email that turns into tickets and goes back out as email.
What you get
A working integration in production, the code and the provider accounts in your name, a short runbook your team can actually read, visibility of status and errors, and alerts when something stops. And the manual step gone for good, which was the point.
What it costs
Work starts with a paid Discovery Sprint from 4,900 EUR, fixed price, two weeks, with half of it credited against the build if you start within 60 days. Integration and automation builds start from 4,900 EUR, fixed price and fixed scope. Keeping them running, monitored and evolving sits in a CARE retainer from 850 EUR per month. No hourly billing.
Proof
Elite Smart BuildA custom operating system for Elite Smart Build
Elite Smart Build, a Spanish hotel refurbishment contractor working in more than twenty countries, ran every site on spreadsheets and email. Polargate replaced that with eleven modules on Supabase and React: daily Gantt, role-masked margins, per-department alerts and material reception with automatic incidents.
2026Read the case
Concert Music FestivalFrom a frozen line-up to an app that updates itself
A Spanish summer music festival had its line-up compiled into the app binary and its backend locked inside a no-code platform. Polargate rebuilt the foundation in four days, ten days before the season started.
2026Read the case
Questions, answered
How much does it cost to connect our PMS to our website?
How long does an integration project take?
What if our system does not have an API?
Do you use Zapier or Make, or do you write the code?
Who owns the integration code and the accounts?
Start the engine
Tell us what you are building in a few short questions. A senior engineer answers in writing within 48 business hours, with a first take on scope, timeline and price.