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## Prerequisites
- Node.js 20+
- `pnpm` or `npm`
- Netlify account and the `netlify` CLI (`npm install -g netlify-cli`)
- OpenAI API key (VoltOps keys optional)
## 1. Generate project files
### Option A: VoltAgent CLI
```bash
npm run volt deploy --target netlify
```
The command scaffolds a `netlify.toml` file with function defaults. Add `netlify/functions/voltagent.ts` and a VoltAgent entry file (`src/index.ts`) following the example below.
### Option B: Manual setup
1. Create `netlify.toml` (see sample in step 4).
2. Add `netlify/functions/voltagent.ts` with the Netlify handler.
3. Configure VoltAgent in `src/index.ts` and import it from the handler.
## 2. Environment variables
Netlify Functions expose secrets through `process.env`, so you can rely on VoltAgent's default environment detection. Use the CLI to define keys:
```bash
netlify secrets:set OPENAI_API_KEY
netlify secrets:set VOLTAGENT_PUBLIC_KEY
netlify secrets:set VOLTAGENT_SECRET_KEY
```
## 3. VoltAgent setup
Create the agent once and reuse it across invocations. The example keeps the serverless Hono provider so the same HTTP routes (agents, workflows, observability) stay available.
```ts title="src/index.ts"
import { Agent, VoltAgent } from "@voltagent/core";
import { serverlessHono } from "@voltagent/serverless-hono";
import { openai } from "@ai-sdk/openai";
import { weatherTool } from "./tools";
const assistant = new Agent({
name: "netlify-function-agent",
instructions: "Answer user questions and call tools when needed.",
model: openai("gpt-4o-mini"),
tools: [weatherTool],
});
const voltAgent = new VoltAgent({
agents: { assistant },
serverless: serverlessHono(),
});
export function getVoltAgent() {
return voltAgent;
}
```
## 4. Netlify function handler
Use the helper exported from `@voltagent/serverless-hono` to convert Lambda events into Fetch requests automatically.
```ts title="netlify/functions/voltagent.ts"
import { createNetlifyFunctionHandler } from "@voltagent/serverless-hono";
import { getVoltAgent } from "../src/index";
const voltAgent = getVoltAgent();
export const handler = createNetlifyFunctionHandler(voltAgent);
```
## 5. `netlify.toml`
```toml
[functions]
node_bundler = "esbuild"
directory = "netlify/functions"
[[redirects]]
from = "/*"
to = "/.netlify/functions/voltagent/:splat"
status = 200
force = true
```
The redirect sends every HTTP route (`/agents`, `/observability`, `/workflows`, …) to the same function, mimicking the Cloudflare Workers routing behaviour.
## 6. Run locally
```bash
pnpm install
pnpm netlify dev
```
Use `curl` against `http://localhost:8888/agents` or other routes to validate.
## 7. Deploy