Sample code

import fetch from "node-fetch"

async function fetchMessages() {
    const API_KEY = "<YOUR-API-KEY>"

    const startOfYesterday = new Date(), endOfYesterday = new Date()

    startOfYesterday.setDate(new Date().getDate() - 1)
    startOfYesterday.setHours(0)
    startOfYesterday.setMinutes(0)
    startOfYesterday.setSeconds(0)

    endOfYesterday.setDate(new Date().getDate() - 1)
    endOfYesterday.setHours(23)
    endOfYesterday.setMinutes(59)
    endOfYesterday.setSeconds(59)


    let endpoint = `data_api/v1/messages?created_since=${startOfYesterday.toISOString()}&created_to=${endOfYesterday.toISOString()}`

    while (endpoint) {
        const res = await fetch(`https://<YOUR-BOT-HANDLE>.ada.support/${endpoint}`,
            {
                headers: {
                    Authorization: `Bearer ${API_KEY}`
                }
            }
        )

        const json = await res.json()
        saveToDatabase(json.data)
        endpoint = json.next_page_uri
    }
}

from datetime import timedelta, date
from requests import get

def fetch_messages():
    API_KEY = "<YOUR-API-KEY>"
    yesterday = date.today() - timedelta(days=1)

    headers = {"Authorization": f"Bearer {API_KEY}"}
    endpoint = f"data_api/v1/messages?created_since={yesterday}T00:00:00&created_to={yesterday}T23:59:59"

    while endpoint:
        res = get(f"https://<YOUR-BOT-HANDLE>.ada.support/{endpoint}", headers=headers)      
        json = res.json()

        save_to_database(json["data"])
        endpoint = json["next_page_uri"]