# Interactive Login Flow Sequence Diagram

> Published on ADIN (https://adin.chat/s/login-flow-sequence-diagram-nhws)
> Type: Diagram
> Date: 2026-03-02
> Description: Explore a clear sequence diagram illustrating the step-by-step login process between user, app, server, and database.

Mermaid diagram:
sequenceDiagram
    participant U as User
    participant A as App
    participant S as Server
    participant DB as Database

    U->>A: Submit Login
    A->>S: POST /login
    S->>DB: Validate Credentials
    DB-->>S: User Record
    S-->>A: Auth Token
    A-->>U: Login Success