Sequence Diagram Templates
Browse diagram templates for Sequence, compare formats, and start faster with AI-ready examples.
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Distributed Transaction Saga
Comprehensive C4 sequence diagram for distributed transaction with saga pattern
Payment Transaction Sequence
Standard C4 sequence diagram for payment processing with conditional flows
API Request Flow
Compact C4 sequence diagram for API request processing
User Authentication Flow
Compact C4 dynamic diagram showing user authentication sequence
Order Fulfillment Process
Comprehensive colored order fulfillment workflow
Employee Onboarding Process
Standard colored HR onboarding workflow
Login Authentication Process
Compact colored login authentication sequence
Enterprise System Integration
Comprehensive enterprise system with complex nested box structure
Microservices Architecture
Standard microservices with nested box groupings
Simple E-commerce System
Compact e-commerce flow with box groupings
Supply Chain Management System
Comprehensive supply chain workflow with multiple actors and systems
University Registration System
Standard university course registration with actors and conditions
Restaurant Order System
Compact restaurant ordering system with multiple actors
Healthcare Appointment System
Comprehensive healthcare appointment booking with multiple actors and services
Banking Transaction System
Standard banking transaction with authentication and retry logic
Hotel Reservation System
Compact hotel reservation sequence with actors and activation
E-commerce Checkout Process
Comprehensive e-commerce checkout sequence with inventory and payment
API Integration Flow
Standard API integration sequence with authentication and data processing
Payment Transaction
Compact payment transaction sequence diagram
Recurrent Neural Network
RNN/LSTM architecture for sequence processing with input, hidden, and output layers over time
E-Commerce Checkout Process
Complete e-commerce checkout flow with colored background sections for each phase
API Request Flow
API request flow with colored background sections
Supply Chain Coordination
Complex supply chain coordination using only actor icons for all entities
Software Deployment Process
Software deployment workflow using only actor icons for all components
Restaurant Order Flow
Restaurant ordering process using only actor icons
Healthcare Appointment System
Complex healthcare appointment booking with multiple actors and system participants
Online Banking Transfer
Banking transfer process with actors representing users and participants for systems
Customer Support Flow
Customer support ticket flow with actors and participants
Microservices Communication
Complex microservices communication with service creation and destruction
E-commerce Checkout
E-commerce checkout sequence with payment processing and inventory
User Login Flow
Basic user authentication sequence with participants and actors
User Authentication Flow
Multi-factor authentication process with colored background sections
Checkout Request Sequence
Synchronous checkout request sequence across gateway and services. Starter template grounded in the Basic Sequence D2 syntax pattern.
Checkout Request Sequence (Operations)
Synchronous checkout request sequence across gateway and services. Operations variant that adds fraud scoring interactions before final response assembly.
Checkout Request Sequence (Enterprise)
Synchronous checkout request sequence across gateway and services. Enterprise variant that adds status polling and finalization lookups for client confirmation.
Access Policy Alternate Sequence
Access request sequence with allow, deny, and escalation paths. Starter template grounded in the Alternate Path Sequence D2 syntax pattern.
Access Policy Alternate Sequence (Operations)
Access request sequence with allow, deny, and escalation paths. Operations variant that adds manual reviewer branch and request ledger tracking.
Access Policy Alternate Sequence (Enterprise)
Access request sequence with allow, deny, and escalation paths. Enterprise variant that adds appeal loop and outbound notification interactions.
Notification Fan-Out Sequence
Fan-out event dispatch with multi-worker completion acknowledgement. Starter template grounded in the Fan-out Sequence D2 syntax pattern.
Notification Fan-Out Sequence (Operations)
Fan-out event dispatch with multi-worker completion acknowledgement. Operations variant that adds additional worker lane and compliance summary handoff.
Notification Fan-Out Sequence (Enterprise)
Fan-out event dispatch with multi-worker completion acknowledgement. Enterprise variant that adds replay workflow and throughput dashboard publication.
Job Retry Loopback Sequence
Loopback sequence for background job retries and completion signaling. Starter template grounded in the Loopback Sequence D2 syntax pattern.
Job Retry Loopback Sequence (Operations)
Loopback sequence for background job retries and completion signaling. Operations variant that adds circuit-breaker evaluation and attempt tracking.
Job Retry Loopback Sequence (Enterprise)
Loopback sequence for background job retries and completion signaling. Enterprise variant that adds incident bot notifications and service recovery messaging.