What do you want to automate

with Mailersend and Notion (API Key)?

import { axios } from "@pipedream/platform"
export default defineComponent({
  props: {
    mailersend: {
      type: "app",
      app: "mailersend",
    }
  },
  async run({steps, $}) {
    return await axios($, {
      url: `https://api.mailersend.com/v1/domains`,
      headers: {
        Authorization: `Bearer ${this.mailersend.$auth.api_token}`,
      },
    })
  },
})

import { axios } from "@pipedream/platform"
export default defineComponent({
  props: {
    notion_api_key: {
      type: "app",
      app: "notion_api_key",
    }
  },
  async run({steps, $}) {
    return await axios($, {
      url: `https://api.notion.com/v1/users/me`,
      headers: {
        Authorization: `Bearer ${this.notion_api_key.$auth.api_secret}`,
        "Notion-Version": `2021-08-16`,
      },
    })
  },
})