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Custom software

API integration services and automation for your business

We provide API integration services that connect your software to payments, WhatsApp and other systems, using APIs and webhooks. We also build the REST APIs your own apps need, with OpenAPI documentation, and automate the routine work between systems.

Tell us what you need See related work

At a glance

Best for
Founders and businesses whose software must talk to payments, WhatsApp or other systems
You get
Working connections, an API your own apps can use, and automation for routine work between systems
How we start
A list of the systems to connect and what should happen between them
Technology
REST APIs and OpenAPI, Stripe and Stripe Connect, WhatsApp Business, webhooks, OAuth and MCP, real-time with WebSockets

Who it is for

Three situations we are asked about

01

You take payments or pay out other people

We connect Stripe for payments and subscriptions, and Stripe Connect when you pay out other people.

02

Your customers use WhatsApp

We connect WhatsApp Business messaging to your software, and track message status through webhooks.

03

Your software must talk to other software

We build REST APIs for your own apps and partners, and connect your system to third-party ones.

What you get

What you get

Working connections between your software and the systems around it.

Tell us what you need
  • Payments with Stripe and Stripe ConnectOne-off payments, subscriptions with Laravel Cashier, and payouts to other people, with webhooks that keep your records in step.
  • WhatsApp and notificationsWhatsApp Business messaging connected to your software, plus email notifications and push notifications to Microsoft Teams.
  • APIs and webhooksREST APIs for your own apps and partners, documented with OpenAPI, and webhooks we receive and send.
  • Sign-in, AI access and real-timeOAuth sign-in, MCP access so users can connect their own AI assistant, and real-time chat and live updates with WebSockets.

Process

From first call to launch

  1. 01

    List what to connect

    A call about the systems involved and what should happen between them.

  2. 02

    Agree the flow

    A short plan: what triggers what, and which data moves where.

  3. 03

    Build and test

    Small steps you can review, with tests on the parts that are expensive to break.

  4. 04

    Launch and stay

    We switch it on, and stay to keep it running.

Related work

Integrations we have built

All work →
PayToAsk home page

Built the MVP, 2024 to 2026

PayToAsk

A paid messaging and video-call platform with Stripe Connect payouts, real-time chat and WebRTC video.

  • Laravel
  • React
  • Stripe Connect
  • WebRTC
Read the case →
YallaHost calendar

Co-developer, 2026 to now

YallaHost

A short-term rental platform where we work on the messaging and automation layer and added MCP support with OAuth, so users connect their own AI assistant.

  • Laravel
  • React
  • OAuth
  • MCP
Read the case →
Misja Travel trip calendar

Sole developer, 2022 to now

Misja Travel

The internal operations system of a Polish tour operator, with real-time chat and push notifications to Microsoft Teams.

  • Laravel
  • Livewire
  • Alpine.js
  • Tailwind
  • MySQL
Read the case →

Questions

Integrations and automation questions

What do API integration services cost?

It depends on the scope: how many systems are involved and what must happen between them. We decide the price per project and scope, so tell us what you need and we will come back with a plan and a price.

Which systems can you connect?

Payments with Stripe and Stripe Connect, WhatsApp Business, and other systems that offer an API or webhooks. Tell us the systems, and we will say early if something looks like a bad idea.

Can you build an API for my own app?

Yes. We build REST APIs and document them with OpenAPI, so your other apps and partners can connect. We have delivered OpenAPI spec generation as the first milestone of a client project.

What is MCP support, and have you built it?

MCP (Model Context Protocol) is an open standard that lets an AI assistant connect to data in other software. We added MCP support with OAuth to YallaHost, so users connect their own AI assistant to their workspace data.

Can you take over an integration that someone else built?

Yes. We understand how it works first, fix what is broken, and add to it without breaking what works.

Prefer to subscribe instead?

We also make business software as a service

For restaurants, shops, marriage halls and factories. You subscribe, and we run it.

See the products

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Tell us what you need to connect

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