---
title: Query D1 from Hono
description: Query D1 from the Hono web framework
image: https://developers.cloudflare.com/dev-products-preview.png
---

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# Query D1 from Hono

Query D1 from the Hono web framework

Hono is a fast web framework for building API-first applications, and it includes first-class support for both [Workers](https://developers.cloudflare.com/workers/) and [Pages](https://developers.cloudflare.com/pages/).

When using Workers:

* Ensure you have configured your [Wrangler configuration file](https://developers.cloudflare.com/d1/get-started/#3-bind-your-worker-to-your-d1-database) to bind your D1 database to your Worker.
* You can access your D1 databases via Hono's [Context ↗](https://hono.dev/api/context) parameter: [bindings ↗](https://hono.dev/getting-started/cloudflare-workers#bindings) are exposed on `context.env`. If you configured a [binding](https://developers.cloudflare.com/pages/functions/bindings/#d1-databases) named `DB`, then you would access [D1 Workers Binding API](https://developers.cloudflare.com/d1/worker-api/prepared-statements/) methods via `c.env.DB`.
* Refer to the Hono documentation for [Cloudflare Workers ↗](https://hono.dev/getting-started/cloudflare-workers).

If you are using [Pages Functions](https://developers.cloudflare.com/pages/functions/):

1. Bind a D1 database to your [Pages Function](https://developers.cloudflare.com/pages/functions/bindings/#d1-databases).
2. Pass the `--d1 BINDING_NAME=DATABASE_ID` flag to `wrangler dev` when developing locally. `BINDING_NAME` should match what call in your code, and `DATABASE_ID` should match the `database_id` defined in your Wrangler configuration file: for example, `--d1 DB=xxxx-xxxx-xxxx-xxxx-xxxx`.
3. Refer to the Hono guide for [Cloudflare Pages ↗](https://hono.dev/getting-started/cloudflare-pages).

The following examples show how to access a D1 database bound to `DB` from both a Workers script and a Pages Function:

* [ workers ](#tab-panel-8221)
* [ pages ](#tab-panel-8222)

TypeScript

```
import { Hono } from "hono";
// This ensures c.env.DB is correctly typedtype Bindings = {  DB: D1Database;};
const app = new Hono<{ Bindings: Bindings }>();
// Accessing D1 is via the c.env.YOUR_BINDING propertyapp.get("/query/users/:id", async (c) => {  const userId = c.req.param("id");  try {    let { results } = await c.env.DB.prepare(      "SELECT * FROM users WHERE user_id = ?",    )      .bind(userId)      .run();    return c.json(results);  } catch (e) {    return c.json({ err: "Failed to query user" }, 500);  }});
// Export our Hono app: Hono automatically exports a// Workers 'fetch' handler for youexport default app;
```

TypeScript

```
import { Hono } from "hono";import { handle } from "hono/cloudflare-pages";
// This ensures c.env.DB is correctly typedtype Bindings = {  DB: D1Database;};
const app = new Hono<{ Bindings: Bindings }>().basePath("/api");
// Accessing D1 is via the c.env.YOUR_BINDING propertyapp.get("/query/users/:id", async (c) => {  const userId = c.req.param("id");  try {    let { results } = await c.env.DB.prepare(      "SELECT * FROM users WHERE user_id = ?",    )      .bind(userId)      .run();    return c.json(results);  } catch (e) {    return c.json({ err: "Failed to query user" }, 500);  }});
// Export the Hono instance as a Pages onRequest functionexport const onRequest = handle(app);
```

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