# Granola OAuth Integration Flow Explained

> Published on ADIN (https://adin.chat/s/granola-oauth-integration-flow-5ki0)
> Type: Diagram
> Date: 2026-03-11
> Description: Explore the user-to-backend OAuth process through Granola’s seamless integration steps in this interactive sequence diagram.

Mermaid diagram:
sequenceDiagram
    participant U as User
    participant A as Adin Frontend
    participant AB as Adin Backend
    participant G as Granola Settings
    participant GA as Granola API

    Note over U,GA: Initial Connection Flow
    U->>A: Click "Connect Granola"
    A->>AB: Initiate connection request
    AB->>A: Return instructions modal
    A->>U: Show "Get API Key" instructions
    U->>G: Navigate to Settings → Workspaces → API
    U->>G: Click "Generate API Key"
    G->>U: Display API key
    U->>A: Paste API key in Adin
    A->>AB: Submit API key
    AB->>GA: Validate key #40;GET /v1/notes?page_size=1#41;
    GA->>AB: 200 OK #40;valid#41; or 401 #40;invalid#41;
    AB->>AB: Encrypt and store API key
    AB->>A: Connection successful
    A->>U: Show "Granola Connected" status

    Note over U,GA: Using Granola Tools
    U->>A: "Show my recent meetings"
    A->>AB: Tool call: list_granola_notes
    AB->>GA: GET /v1/notes #40;with stored key#41;
    GA->>AB: Return notes list
    AB->>A: Format and display notes
    A->>U: Show meeting notes widget