What do you want to automate

with Mailjet and PolygonScan?

import { axios } from "@pipedream/platform"
export default defineComponent({
  props: {
    mailjet: {
      type: "app",
      app: "mailjet",
    }
  },
  async run({steps, $}) {
    return await axios($, {
      url: `https://api.mailjet.com/v3/REST/contactslist`,
      auth: {
        username: `{{custom_fields.public_key}}`,
        password: `${this.mailjet.$auth.secret_key}`,
      },
    })
  },
})

import { axios } from "@pipedream/platform"
export default defineComponent({
  props: {
    polygonscan: {
      type: "app",
      app: "polygonscan",
    }
  },
  async run({steps, $}) {
    return await axios($, {
      url: `https://api.polygonscan.com/api`,
      params: {
        module: `account`,
        action: `balance`,
        address: `{{your_address}}`, //For testing, try address "0x5A534988535cf27a70e74dFfe299D06486f185B7"
        apikey: `${this.polygonscan.$auth.api_key}`,
      },
    })
  },
})