Less manual re-entry
Records created once flow to every system that needs them, in the direction that matches how the business actually works.
01 · EFFICIENCY
API & Third-Party Integrations
API & Third-Party Integrations
Axtivon connects the CRM, payment, booking, email and analytics platforms your business already runs on, through native connectors where they hold up and custom API or webhook development where they don't, with clear rules for which system owns which data and what happens when a call fails.
- Native connectors where they're reliable, custom API work where they're not
- Clear ownership of which system holds the source data
- Monitoring and retries built in, not bolted on after something breaks
Integration work for teams running on more tools than they can keep in sync
B2B companies
Service businesses
Ecommerce sellers
Operations teams
Growing organisations
The direct answer
What does professional API and integration work actually involve?
Professional integration work means deciding which system owns each piece of data, then connecting the rest through native connectors or custom API and webhook code, with monitoring for when a call fails. Most businesses don't have a data problem, they have a synchronisation problem: the same customer or order exists in a CRM, an accounting tool and an email platform, updated by hand in each one. Axtivon designs the sync direction, authentication and error handling so those systems stay accurate without someone copying fields between tabs.
Built around business outcomes
Data should move on its own, correctly, or you should know the moment it doesn't.
Every integration decision should reduce manual entry and give a clear answer to what happens when a sync fails, not just connect two systems and hope.
Clear data ownership
Each shared field has one system of record, so conflicting updates and duplicate contacts stop being a guessing game.
02 · OWNERSHIPFailures that surface, not hide
Monitoring, retries and alerting catch a broken sync before it becomes a missed order or a lost lead.
03 · RELIABILITYHandled within GDPR boundaries
Personal data stays within agreed processing terms as it moves between platforms and vendors.
04 · COMPLIANCE
Integration and API capabilities
What we connect and build between your systems
From a native connector configured correctly to a custom API built from scratch, the approach is scoped to what the platforms actually support.
CRM and sales tool integration
Connect your website, forms and marketing platforms to the CRM your sales team actually works from.
CRM and marketing automationPayment and billing integration
Connect checkout, subscription and invoicing platforms so payment status stays accurate everywhere it's referenced.
WooCommerce developmentBooking and scheduling systems
Sync appointment, availability and booking data between your site, calendar and CRM without double-booking risk.
Business process automationCustom REST API development
Purpose-built endpoints when off-the-shelf connectors don't expose the data or logic a workflow needs.
Custom software developmentWebhook and event-driven sync
Real-time updates triggered by events instead of scheduled polling, so systems reflect changes as they happen.
Business process automationAnalytics and reporting connections
Feed CRM, ecommerce and ad platform data into the reporting your team already relies on.
Analytics and tracking
A clear delivery process
From a mapped data flow to a monitored integration.
Each stage has a clear output, so the integration is scoped and tested before it touches live customer or order data.
Discovery and system audit
We map the platforms in use, what data each holds, and where duplication or manual entry is happening today.
Output: system and data auditData ownership and flow design
We define which system owns each field, the direction of sync, and how conflicts are resolved.
Output: data flow specificationConnector or API selection
Native connectors are used where they hold up; custom API or webhook work is scoped where they fall short.
Output: technical integration planDevelopment and authentication setup
Integrations are built with proper authentication, rate limit handling and error logging from the start.
Output: working integration in stagingTesting and edge cases
We test failure scenarios directly, timeouts, rejected records, duplicate events, before anything touches live data.
Output: verified sync behaviourLaunch and monitoring
We monitor the integration after launch and configure alerting so a failed sync is caught, not discovered later.
Output: monitored, documented integration
What the project can include
One connected integration scope.
The exact scope depends on the platforms involved, but every integration project brings these disciplines together.
Strategy and data mapping
- System and data audit
- Data ownership mapping
- Sync direction and conflict rules
- Authentication and access review
- Compliance and data handling review
Development
- Native connector configuration
- Custom REST API development
- Webhook development
- Rate limit and retry handling
- Error logging and alerting
Platform connections
- CRM and sales tool sync
- Payment and billing integration
- Booking and calendar sync
- Email and marketing platform sync
- Analytics and reporting feeds
Testing, monitoring and handover
- Failure scenario testing
- Staging environment validation
- Uptime and sync monitoring setup
- Alerting configuration
- Documentation and handover
Connected by design
Your systems should behave like one connected platform.
We connect the tools your team relies on daily, so a record entered once is accurate everywhere it appears.
- CRM, sales and support tool connections
- Payment, billing and accounting sync
- Booking, calendar and scheduling integration
- Analytics, ad platform and reporting feeds
API & Third-Party IntegrationsOne connected foundation
CRM
Payments
Booking
Automation
Analytics
API
Why Axtivon
An integration partner that treats reliability as the actual deliverable.
An integration that works in a demo and fails quietly in week three has not solved the problem. We build for the failure cases, not just the happy path.
Native and custom, chosen deliberately
We use a vetted connector where it holds up and write custom API code where it doesn't.
Ownership defined, not assumed
Every integration starts with an explicit answer to which system owns which data.
Designed for failure
Rate limits, timeouts and rejected records are handled, not left to fail silently.
GDPR-aware data handling
Personal data flows are documented and kept within agreed processing boundaries.
Monitored after launch
Alerting on sync failures, not just a working connection on delivery day.
Related Axtivon services
Combine this with the wider growth system.
Frequently asked questions
Questions, answered clearly.
Should we use a native connector or a custom-built API integration?
It depends on what the platforms expose. A well-maintained native connector is usually faster and cheaper when it covers the fields and logic you need. Once a workflow requires data or actions the connector doesn't support, custom REST API or webhook development becomes the more reliable option, we assess this before recommending either.
How do you decide which system owns which piece of data?
We map every shared field, customer details, order status, appointment time, and assign one system as its source of record. Other systems receive updates rather than compete to set the value, which is what prevents the conflicting-record problem most manual setups run into.
What happens when an API call fails or a platform is temporarily down?
Failures are expected, not exceptional. We build retry logic, queuing and error logging into the integration, and configure alerting so a failed sync is flagged and addressed rather than discovered weeks later when a record is missing.
Do you build custom webhooks and REST APIs, or only configure existing plugins?
Both, depending on the requirement. We configure established connectors where they are reliable, and write custom REST endpoints or webhook handlers when a workflow needs data or logic that no existing connector exposes.
How do you handle GDPR when personal data moves between platforms?
We document what personal data is transferred, to which processors, and under what legal basis, and configure the integration to stay within those boundaries, including data minimisation and retention where the platforms support it.
Can integration work actually reduce how much data our team enters by hand?
Yes, that is usually the main business case. Once a record, a new customer, an order, a booking, only needs to be entered in one place and reliably reaches every other system, the manual re-entry and the errors that come with it largely disappear.
Start with the business goal