apifence-agent

Express.js SDK for APIFence — automatic request and error monitoring with security and threat detection.

With apifence-agent, you can track all requests, errors, and security events in your Express apps and send them securely to APIFence Cloud.

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Features

- Capture all HTTP requests & responses
- Capture all errors and exceptions
- Queue and batch events to APIFence Cloud
- Mask sensitive fields (passwords, tokens, etc.)
- Non-blocking, minimal boilerplate
- Easy integration with any Express.js app

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Getting Started

$3

Visit https://apifence.cloud and create an account.
After login, navigate to your Dashboard → API Keys and generate a key for your application.

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$3

``bash
npm install apifence-agent express
`

$3

`Bash
import express from "express";
import { APIFenceAgent, apifenceMiddleware, apifenceErrorHandler } from "apifence-agent";

const app = express();

// Initialize APIFence Agent
APIFenceAgent.init({
apiKey: "YOUR_API_KEY_FROM_APIFENCE", // Get this from https://apifence.cloud
serviceName: "my-express-service",
maskFields: ["password", "token"] // Optional fields to mask
});

// Middleware to capture requests
app.use(express.json());
app.use(apifenceMiddleware());

// Example route
app.get("/hello", (req, res) => res.json({ msg: "Hello World" }));

// Middleware to capture errors
app.use(apifenceErrorHandler());

// Start server
app.listen(3000, () => console.log("Server running on port 3000"));
`

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- maskFields: Array of sensitive fields to exclude from logs (e.g., passwords, tokens)
- endpoint: Optional — override default APIFence Cloud endpoint
- serviceName: Unique identifier for your application

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`Bash
// example.ts
import express from "express";
import { APIFenceAgent, apifenceMiddleware, apifenceErrorHandler } from "apifence-agent";

const app = express();

APIFenceAgent.init({
apiKey: "YOUR_API_KEY",
serviceName: "example-service",
maskFields: ["password"]
});

app.use(express.json());
app.use(apifenceMiddleware());

app.get("/", (req, res) => res.send("Hello APIFence!"));

app.use(apifenceErrorHandler());

app.listen(3000, () => console.log("Example server running on port 3000"));
``

$3

MIT