index.js

const express = require("express")
const request = require("request-promise")

const app = express()
const PORT = process.env.PORT || 5000


//const apiKEY = 'YOUR API KEY HERE'
// GET YOUR API KEY FROM https://www.scraperapi.com/

const baseUrl = `http://api.scraperapi.com/?api_key=${apiKEY}&autoparse=true`

app.use(express.json())

app.get('/', (req,res) => {
    res.send("Welcome to My API");
})

// To get Product details

app.get('/products/:productId', async (req,res) => {
    const { productId } = req.params
    try {
        const response = await request(`${baseUrl}&url=https://www.amazon.com/dp/${productId}`)

        res.json(JSON.parse(response))

    } catch (error) {
        res.json(error)
    }
} )

// To get Product reviews

app.get('/products/:productId/reviews', async (req,res) => {
    const { productId } = req.params
    try {
        const response = await request(`${baseUrl}&url=https://www.amazon.com/product-reviews/${productId}`)

        res.json(JSON.parse(response))

    } catch (error) {
        res.json(error)
    }
} )
// Product Offers

app.get('/products/:productId/offers', async (req,res) => {
    const { productId } = req.params
    try {
        const response = await request(`${baseUrl}&url=https://www.amazon.com/gp/offer-listing/${productId}`)

        res.json(JSON.parse(response))

    } catch (error) {
        res.json(error)
    }
} )

// Get Search Results
app.get('/search/:searchQuery', async (req,res) => {
    const { searchQuery } = req.params
    try {
        const response = await request(`${baseUrl}&url=https://www.amazon.com/s?k=${searchQuery}`)

        res.json(JSON.parse(response))

    } catch (error) {
        res.json(error)
    }
} )


app.listen(PORT, () => console.log(`Running on Port ${PORT}`) )