Sequence Diagram
4/18/2026
This sequence diagram is used to map the checkout path from customer submission through cart validation, card charging, failure handling, inventory reservation, and receipt delivery. It helps teams verify order of operations, error recovery with a retry screen after a failed charge, and service dependencies between Checkout, Payment Gateway, Inventory Service, and Email Service. Product managers, engineers, QA analysts, and solution architects would use it.
sequence diagramcheckout flowpayment retryinventory reservereceipt email
Sequence Diagram
4/16/2026
This Sequence Diagram is used to map how a bank loan application moves from the Applicant through the Loan Portal, Loan DB, Underwriting Engine, and Credit Bureau to an approval outcome. It helps teams understand submission, data storage, credit report retrieval, risk assessment, decision updates, and applicant notification, making handoffs and dependencies clear for product managers, solution architects, developers, QA analysts, and banking operations teams.
sequence diagrambankingloan applicationunderwritingcredit check
Sequence Diagram
4/16/2026
A sequence diagram for a Kafka producer-consumer flow with offset commit, mapping how a Producer publishes a record to a Kafka Broker, how a Consumer Group polls and processes the returned batch, and how offsets are committed to an Offset Store with acknowledgment. It is used to clarify delivery and consumption order, support debugging of acknowledgment and offset handling, and help backend engineers, data platform teams, and architects design reliable event-driven systems.
KafkaSequence DiagramConsumer GroupOffset Commit