Delete All Conversations From Your TextNow Account

textnow-conversation-purger.js

(async function () {
	let lastGlobalId;
	let fetchUrl;
	let bigOleArrayOfContacts = [];

	const USERNAME_QUERY_SELECTOR = "#recent-header > div.account-details > div.name";
	const CSRF_TOKEN_QUERY_SELECTOR = "meta[name=csrf-token]";

	console.log("Script has started.");

	if (!document.querySelector(USERNAME_QUERY_SELECTOR)) {
		throw Error("was unable to find the username on this HTML page")
	}

	if (!document.querySelector(CSRF_TOKEN_QUERY_SELECTOR)) {
		throw Error("was unable to find the csrf-token on this HTML page")
	}

	// update these options, as needed, before running this script
	const opts = {
		TEXTNOW_USERNAME: document.querySelector(USERNAME_QUERY_SELECTOR).innerText,

		// perseve conversations that you have given a name to from use of the "Edit Contact Name" option
		DELETE_NAMED_CONVERSATIONS: true,

		// should not need to change this
		CSRF_TOKEN: document.querySelector(CSRF_TOKEN_QUERY_SELECTOR).content,
	}


	console.log("Gathering contacts.\n\n");

	do {

		if(!lastGlobalId) {
		 fetchUrl = 'https://www.textnow.com/api/v3/contacts?page_size=100';
		} else {
		 fetchUrl = `https://www.textnow.com/api/v3/contacts?page_size=100&global_id_start=${lastGlobalId}`;
		}

		try {
			await fetch(fetchUrl,
			{"credentials":"include",
				"headers":{
					"accept":"application/json, text/javascript, */*;q=0.01",
					"accept-language":"en-US,en;q=0.9",
					"cache-control":"no-cache",
					"pragma":"no-cache",
					"x-requested-with":"XMLHttpRequest"
					},
				"referrer":"https://www.textnow.com/messaging",
				"referrerPolicy":"no-referrer-when-downgrade",
				"body": null,
				"method":"GET",
				"mode":"cors"
			})
			.then(res => res.json())
			.then(data => {
				if(data.result.length) {
					bigOleArrayOfContacts = bigOleArrayOfContacts.concat(data.result);
					lastGlobalId = data.result[(data.result.length - 1)].global_id;
				} else {
				  lastGlobalId = null
				}
			})
		} catch(e) {
			console.log(e);
		}

	} while (lastGlobalId);


	/////////////////////////

  const contactsToDelete = bigOleArrayOfContacts.filter(contact => {
		if (!opts.DELETE_NAMED_CONVERSATIONS && (contact.name && contact.name.match(/[a-zA-Z]+/g))){
			return false;
		} else {
			return true;
		}
	});

	console.log(`Preparing to delete ${contactsToDelete.length} conversations.\n\n`);

	for (const contact of contactsToDelete) {

			let number;
			if(contact.contact_value[0] === "+") {
				number = contact.contact_value.slice(1)
			} else {
				number = contact.contact_value
			}

	    try {
		    await fetch(`https://www.textnow.com/api/users/${opts.TEXTNOW_USERNAME}/conversations/%2B${number}`,
				{"credentials":"include",
					"headers":{
						"accept":"application/json, text/javascript, */*; q=0.01",
						"accept-language":"en-US,en;q=0.9",
						"cache-control":"no-cache",
						"pragma":"no-cache",
						"x-csrf-token": opts.CSRF_TOKEN,
						"x-requested-with":"XMLHttpRequest"
					},
				"referrer":"https://www.textnow.com/messaging",
				"referrerPolicy":"no-referrer-when-downgrade",
				"body":null,
				"method":"DELETE",
				"mode":"cors"
			});

			// add a delay to avoid spamming server
			await new Promise(resolve => {
				setTimeout(() => { resolve() }, 1000);
			});

			console.log("deleted! ", contact);

	    } catch (e) {
	       console.log(e);
	    }

	  }

		console.log("DONE!");

})();

@omgitsj the script still works. You have to let it run until you no longer see output like: