Topic

API Design

All case studies, capabilities, integrations, playbooks, and field notes tagged with api design.

Case study

Cost-Controlled Tracking Onboarding for Paid Carrier APIs

How I turned an expensive, failure-prone carrier tracking subscription flow into a predictable onboarding path with validation, concurrency safety, and explicit cost control.

api-design integrations reliability software-engineering

Playbook

SOAP/XML Integration Playbook: Clean Modern Services Around Legacy APIs

Patterns to contain SOAP/XML quirks in REST/JSON services: dedicated adapters, normalized domain contracts, fault taxonomy, retry discipline, and testable boundaries. Drawn from logistics production integrations.

api-design integrations logistics software-engineering