CredVault

Certificate Issuing & Verification Platform built as a full-stack SDE internship project.

Overview

CredVault allows citizens to submit certificate requests, track application status, and verify issued certificates. Administrators can securely log in, review applications, approve or reject requests, and revoke issued certificates.

Features

Citizen Portal

• Submit certificate requests

• Receive a unique Application ID

• Track application status

• Verify certificates using Certificate ID

• View certificate details and status

Admin Portal

• Secure admin login using JWT authentication

• View all applications

• Approve or reject pending applications

• Automatically generate Certificate IDs after approval

• View issued certificates

• Revoke valid certificates

Tech Stack

• Frontend: HTML, CSS, JavaScript, Fetch API

• Backend: Node.js, Express.js

• Database: MongoDB Atlas, Mongoose

• Authentication: JWT, bcryptjs

• Configuration: dotenv

• API support: CORS

API Integration

| Feature | Method | Endpoint |

|---|---|---|

| Submit Application | POST | /api/applications |

| Track Application | GET | /api/applications/track/:applicationId |

| Verify Certificate | GET | /api/certificates/verify/:certificateId |

| Admin Login | POST | /api/admin/login |

| Get Applications | GET | /api/admin/applications |

| Approve Application | PATCH | /api/admin/applications/:applicationId/approve |

| Reject Application | PATCH | /api/admin/applications/:applicationId/reject |

| Get Certificates | GET | /api/admin/certificates |

| Revoke Certificate | GET | /api/admin/certificates/:certificateId/revoke |

Status Flow

Pending -> Approved -> Certificate Created -> Valid -> Revoked

Pending -> Rejected

Project Structure

ELEVATE-SDE-Task-4/

├── frontend/

├── backend/

├── .gitignore

└── README.md

Built With

• express.js
• git
• mongodb
• node.js
• react
• rest-api