gatsby-config.js

 {
      resolve: `gatsby-source-twitter`,
      options: {
        credentials: {
          consumer_key: "INSERT_HERE_YOUR_CONSUMER_KEY",
          consumer_secret: "INSERT_HERE_YOUR_CONSUMER_SECRET",
          bearer_token: "INSERT_HERE_YOUR_BEARER_TOKEN",
        },
        queries: {
          nameofthequery: {
            endpoint: "statuses/user_timeline",
            params: {
              screen_name: "gatsbyjs",
              include_rts: false,
              exclude_replies: true,
              tweet_mode: "extended",
            },
          },
        },
      },
    },