Track any competitor's prices from the live web, on a schedule.

import Tabstack, { APIError } from '@tabstack/sdk'

const client = new Tabstack()

// Pricing page in, price table out.
try {
  const pricing = await client.extract.json({
    url: 'https://competitor.com/pricing',
    json_schema: {
      type: 'object',
      properties: {
        currency: { type: 'string' },
        plans: {
          type: 'array',
          items: {
            type: 'object',
            properties: {
              name: { type: 'string' },
              monthly_price: { type: 'number' },
              annual_price: { type: 'number' },
              features: { type: 'array' },
            },
          },
        },
      },
    },
    geo_target: { country: 'US' },
    effort: 'standard',
  })

  console.log(pricing) // ready to diff
} catch (err) {
  if (!(err instanceof APIError)) throw err
  console.error(err.status, err.message)
}

import Tabstack, { APIError } from '@tabstack/sdk'

const client = new Tabstack()

// store and notify are your own storage and alerting.
try {
  // Snapshot as markdown, diff over time.
  const today = await client.extract.markdown({
    url: 'https://competitor.com/pricing',
    effort: 'standard',
  })

  const prev = await store.get('pricing')
  if (today.content !== prev) {
    await store.set('pricing', today.content)
    await notify('Pricing page changed')
  }
} catch (err) {
  if (!(err instanceof APIError)) throw err
  console.error(err.status, err.message)
}