# Step-by-Step Guide: Testing Setu PAN API

This guide will help you test the Setu PAN API with static/hardcoded values.

## Prerequisites

1. **Node.js installed** - Make sure you have Node.js installed on your system
2. **Dependencies installed** - All npm packages should be installed

## Step-by-Step Instructions

### Step 1: Navigate to the Project Directory

Open your terminal/command prompt and navigate to the project directory:

```bash
cd "C:\Users\front\Desktop\files 4\verify-india-api"
```

### Step 2: Verify Dependencies are Installed

Check if `node_modules` folder exists. If not, install dependencies:

```bash
npm install
```

This will install all required packages including `axios` which is needed for the API call.

### Step 3: Run the Test Script

You can run the test in two ways:

#### Option A: Using npm script (Recommended)
```bash
npm run test-setu-static
```

#### Option B: Direct node command
```bash
node scripts/test-setu-api-static.js
```

### Step 4: Check the Results

The script will:
- ✅ Show request details (URL, headers, body)
- ✅ Send the request to Setu API
- ✅ Display the response if successful
- ❌ Show error details if it fails

## Expected Output

### Success Case:
```
🧪 Testing Setu PAN API with Static Values

======================================================================

📋 Request Details:
   URL: https://dg-sandbox.setu.co/api/verify/pan
   Method: POST
   ...

🚀 Sending request to Setu API...

✅ SUCCESS! API is working correctly!

======================================================================

📊 Response Details:
   Status Code: 200 OK
   Response Time: 1234ms
   ...

✅ Test completed successfully!
```

### Error Case:
If there's an error, the script will show:
- Status code
- Error message
- Possible issues and solutions

## What the Script Tests

The script makes a POST request to Setu API with:
- **URL**: `https://dg-sandbox.setu.co/api/verify/pan`
- **Headers**:
  - `Content-Type: application/json`
  - `x-client-id: 292c6e76-dabf-49c4-8e48-90fba2916673`
  - `x-client-secret: 7IZMe9zvoBBuBukLiCP7n4KLwSOy11oP`
  - `x-product-instance-id: 439244ff-114e-41a8-ae74-a783f160622d`
- **Body**:
  ```json
  {
    "pan": "ABCDE1234A",
    "consent": "Y",
    "reason": "Testing"
  }
  ```

## Troubleshooting

### Error: "Cannot find module 'axios'"
**Solution**: Run `npm install` to install dependencies

### Error: "Network Error" or "ECONNREFUSED"
**Solution**: 
- Check your internet connection
- Verify the API URL is correct
- Check if there's a firewall blocking the request

### Error: "401 Unauthorized"
**Solution**: 
- Check if the client-id and client-secret are correct
- Verify the credentials haven't expired

### Error: "403 Forbidden"
**Solution**: 
- Check if the product-instance-id is correct
- Verify you have access to this product instance

### Error: "400 Bad Request"
**Solution**: 
- Check if the PAN format is correct (should be 10 characters: 5 letters, 4 digits, 1 letter)
- Verify the request body structure

## Next Steps

Once the test passes:
1. ✅ Your Setu API credentials are working
2. ✅ You can use these credentials in your `.env` file
3. ✅ Your application can make PAN verification requests

## Notes

- This script uses **static/hardcoded values** - perfect for testing
- The credentials are embedded in the script for testing purposes
- For production, always use environment variables (`.env` file)
- The script has a 30-second timeout for the API request