API integration for business: how should systems connect securely?

When is an API integration justified?

n

When the same information is entered manually in several systems, statuses update late or errors require recurring reconciliation. The objective is not data movement by itself but a faster, observable end-to-end business workflow.

n

What must be defined before development?

n

Name the system of record, sender, receiver, triggering event, required fields, valid statuses and error handling. Define retries, logs, duplicate prevention and the person or team alerted when processing fails.

n

What makes an API secure?

n

OWASP identifies authorisation as a central API-security challenge. Every request must verify that the calling user or system may access the specific object and action. A current inventory of APIs, versions and third-party connections, strong authentication, input validation and rate limits are also essential.

n

How can rollout risk be reduced?

n

Deliver one end-to-end workflow first, using a test environment, replayable logs and explicit acceptance criteria. Explore API and system integrations, e-commerce automation and legacy modernisation.

n

Source and further data: https://owasp.org/www-project-api-security/