🎀 rx-fca

rx-fca is a fully refactored Facebook Chat API (FCA) client built for reliable, real-time, and modular interaction with Facebook Messenger. Designed with modern bot development in mind, it offers full control over Messenger automation through a clean, stable interface.

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If you encounter issues or want to give feedback, feel free to message us via Facebook:

* @Rx Abdullah
* @Johnsteve Costaños
* @Jonell Magallanes 󱢏

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✨ Features

* 🔐 Precise Login Mechanism
Dynamically scrapes Facebook's login form and submits tokens for secure authentication.

* 🪄 Ai-theme
create ai theme (cradit - @Rx Abdullah)

* 💬 Real-time Messaging
Send and receive messages (text, attachments, stickers, replies).

* 📝 Message Editing
Edit your bot’s messages in-place.

* ✍️ Typing Indicators
Detect and send typing status.

* ✅ Message Status Handling
Mark messages as delivered, read, or seen.

* 📂 Thread Management

* Retrieve thread details
* Load thread message history
* Get lists with filtering
* Pin/unpin messages

* 👤 User Info Retrieval
Access name, ID, profile picture, and mutual context.

* 🖼️ Sticker API
Search stickers, list packs, fetch store data, AI-stickers.

* 💬 Post Interaction
Comment and reply to public Facebook posts.

* ➕ Follow/Unfollow Users
Automate social interactions.

* 🌐 Proxy Support
Full support for custom proxies.

* 🧱 Modular Architecture
Organized into pluggable models for maintainability.

* 🛡️ Robust Error Handling
Retry logic, consistent logging, and graceful failovers.

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⚙️ Installation

> Requires Node.js v20+

``bash
npm i rx-fca
`

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🚀 Getting Started

$3

This file contains your Facebook session cookies.
Use a browser extension (e.g. "C3C FbState", "CookieEditor") to export cookies after logging in, and save them in this format:

`json
[
{
"key": "c_user",
"value": "your-id"
}
]
`


Place this file in the root directory as appstate.json.

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$3

`js
const fs = require("fs");
const path = require("path");
const { login } = require("ws3-fca");

let credentials;
try {
credentials = { appState: JSON.parse(fs.readFileSync("appstate.json", "utf8")) };
} catch (err) {
console.error("❌ appstate.json is missing or malformed.", err);
process.exit(1);
}

console.log("Logging in...");

login(credentials, {
online: true,
updatePresence: true,
selfListen: false,
randomUserAgent: false
}, async (err, api) => {
if (err) return console.error("LOGIN ERROR:", err);

console.log(✅ Logged in as: ${api.getCurrentUserID()});

const commandsDir = path.join(__dirname, "modules", "commands");
const commands = new Map();

if (!fs.existsSync(commandsDir)) fs.mkdirSync(commandsDir, { recursive: true });

for (const file of fs.readdirSync(commandsDir).filter(f => f.endsWith(".js"))) {
const command = require(path.join(commandsDir, file));
if (command.name && typeof command.execute === "function") {
commands.set(command.name, command);
console.log(🔧 Loaded command: ${command.name});
}
}

api.listenMqtt(async (err, event) => {
if (err || !event.body || event.type !== "message") return;

const prefix = "/";
if (!event.body.startsWith(prefix)) return;

const args = event.body.slice(prefix.length).trim().split(/ +/);
const commandName = args.shift().toLowerCase();

const command = commands.get(commandName);
if (!command) return;

try {
await command.execute({ api, event, args });
} catch (error) {
console.error(Error executing ${commandName}:, error);
api.sendMessageMqtt("❌ An error occurred while executing the command.", event.threadID, event.messageID);
}
});
});
``

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🙌 Credits

* 🔧 @rx Abdullah (Maria project) – Main developer, equal maintainer, feature and patch contributions.
* 💧 @ChoruOfficial – Lead developer, refactor of original FCA code, Fully Setup Mqtt.
* 🔮 @CommunityExocore – Foundational core design and architecture.

> Copyright (c) 2015
> Avery, Benjamin, David, Maude

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📊 License

MIT – Free to use, modify, and distribute. Attribution appreciated.

made by ❤ rX Abdullah