INTEGRATION ENGINEERING SERVICE
SOFTWARE & CONNECTED SYSTEMS
API Integrations & Connected Systems
API integration services for UK businesses, connecting CRMs, commerce, finance and other systems with secure, observable and supportable data flows.
SoftwarePLUGINPIP LTD. BUILT WITH PURPOSE
THE DETAIL
Ideas into working software.
Built around the requirement.
API Integrations & Connected Systems
Reliable connections between the services you already use, with clear handling for errors, security and ownership.
Discuss this service ✳
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DIRECT, FOUNDER-LED
The catalogue stays focused on work PluginPip can support properly now.
What this actually means.
An API is simply a controlled way for one system to talk to another. We connect systems so information can move or actions can happen automatically, while planning for the times when an external service is slow, unavailable or sends unexpected data.
What we can cover.
Properly scoped before work starts.
The exact job is confirmed in writing, but these are the normal building blocks for this service.
Typical scope
- API and system discovery
- Secure authentication and data handling
- Single and multi-system integrations
- Error handling and operational visibility
- Testing and technical documentation
- Optional ongoing integration support
Best fit
- CRM integrations
- Commerce and fulfilment connections
- Finance and reporting flows
- Multi-system workflows
- Software requiring third-party integrations
Built to be supportable.
Not just impressive on launch day.
Authentication, data contracts, validation, idempotency, retries, rate limits, logging, monitoring and ownership are considered so an integration can operate reliably after the first successful test.
- Secure credential handling
- Validation and data mapping
- Retry and timeout strategy
- Duplicate-action protection
- Logging and alerts where required
- Technical documentation
The stack follows the requirement.
These are examples of technologies, platforms or standards we may use. They are not a forced stack and not every project needs every item.
REST APIsGraphQLWebhooksOAuth 2.0API keysJSONQueuesScheduled jobsSFTP where appropriate
A clear route from
problem to working result.
The depth changes with the job, but the discipline does not.
Understand
We start with the outcome, users, current setup, constraints and what success looks like.
Scope
We define what is included, dependencies, risks, likely technical route, price and acceptance points.
Deliver
Work is completed in controlled stages with important decisions and scope changes made visible.
Validate
The result is checked against the agreed user journeys, technical requirements and acceptance criteria.
Handover
You receive the agreed access, documentation, guidance and a clear route for support or improvement.
GUIDES RESEARCH
Understand the decision.
Then scope the work.
These guides explain the questions businesses commonly need answered before buying or changing this service.
GUIDE
API Integration Planning UK: How to Connect Business Systems Reliably
A practical guide to planning API integrations between business systems, including authentication, data contracts, retries, webhooks, rate limits, ownership and failure handling.
Read guide
GUIDE
Bespoke Software Discovery UK: What to Define Before Development Starts
A practical discovery framework for businesses considering custom software, portals or internal systems, designed to reduce expensive ambiguity before development begins.
Read guide
GUIDE
AI Automation for UK Small Businesses 2026
A practical guide to where AI automation can save time in a small business, where it creates risk and how to choose worthwhile first projects.
Useful next steps.
Connected services, not random add-ons.
These services commonly sit alongside this work. Each page explains scope, pricing and the practical fit in more detail.
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Useful starting points.
Exact scope before commitment.
Open any package for a full explanation of what the starting price normally includes, the assumptions behind it and what can increase the quote.
Single Integration
From £1,250
Connect two suitable systems through documented APIs with an agreed data flow.
Multi-system Workflow
From £3,500
A connected process spanning several systems, transformations or operational steps.
Integration Support
From £250/month
Monitoring and maintenance for agreed live integrations. Third-party usage fees are separate.
READY TO DISCUSS IT?
Start with the outcome.
We will handle the technology.
You do not need a finished technical specification. Tell us what needs to work better and we can map the next step.