Turning an interface into a working process
API integration includes the decisions around the connection as well as the code that makes requests. Two systems may store similar information in different formats or apply different rules. A reliable connection needs to translate that information and handle the response. Authentication is part of the design; Microsoft’s custom connector documentation provides an example of connecting an authenticated API. The correct implementation depends on the actual platforms and what the business has authorised them to exchange.
Example: customer and invoice records
Suppose a CRM sends an approved customer record to accounting software. The systems need a persistent way to match that customer later, rather than creating a fresh record for every invoice. Decide which system owns the billing address and what happens when staff update it in both places. If an invoice request times out, the integration needs to establish whether it was accepted before trying again. The practical result should be a traceable relationship between records, including a clear exception when information cannot be reconciled.
What a useful integration handover includes
Document field mappings, required permissions, expected triggers and the person who receives failure alerts. Include a controlled way to retry a failed operation and a log that identifies the affected record without exposing unnecessary private data. Test missing fields, changed permissions and temporary provider outages as well as the successful path. Refined IT can scope integration work around these real operating conditions. An owner should also monitor provider changes, because a connection that works at launch still depends on the interfaces and permissions remaining valid.
Common questions about api integration
Can integration work in both directions?
Often, but two-way updates require deliberate conflict rules. One-way transfer is sometimes clearer when one application is the authoritative source.
Is a connector always enough?
A connector can simplify access, but the business still needs suitable mappings, permissions and failure handling. Complex processes may require additional development.
Related definitions
- API — An application programming interface: an agreed way for software systems to request data or trigger actions in another system.
- Webhook — An event-triggered HTTP message sent from one system to another. Receivers should verify the sender, validate the data and handle retries safely.
- CRM — Customer relationship management software that organises contacts, enquiries and customer activity so a team can follow up consistently.
- Workflow — The sequence of steps, decisions and responsibilities that moves a piece of work from its starting event to a completed outcome.
Related SEO guides
Check that integrated content remains available to visitors and that enquiry events are recorded once when systems exchange information.
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Put it into practice
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