> ## Documentation Index
> Fetch the complete documentation index at: https://docs.corsair.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Memberstack plugin

> Manage members, free plans, data tables and member token verification using the Memberstack Admin REST API.

Use **Memberstack** through Corsair: one client, typed API calls.

Use a Memberstack secret key from Dev Tools as the API key. Keys are sent in the X-API-KEY header to [https://admin.memberstack.com](https://admin.memberstack.com). Test-mode keys start with sk\_sb\_ and only see test-mode members (up to 50); live keys start with sk\_.

Member listing uses the numeric endCursor as after. Data record queries support offset and cursor pagination; cursor paging requires internalOrder ascending on every request. A missing member is returned as data: null. Member JSON updates replace the entire JSON value. Plan operations only support free plans. The provider limits the Admin API to 25 requests per second; Corsair retries a 429 and honours Retry-After. Failed calls drop the request body and mask emails, passwords and member tokens from errors. Webhook verification is only available through Memberstack's Node admin package and is not included.

**What you get:**

* 14 typed API operations

## Setup

**1. Install**

```bash npm theme={null}
npm install corsair @corsair-dev/memberstack better-sqlite3
npm install --save-dev @types/better-sqlite3
```

```bash yarn theme={null}
yarn add corsair @corsair-dev/memberstack better-sqlite3
yarn add --dev @types/better-sqlite3
```

```bash pnpm theme={null}
pnpm install corsair @corsair-dev/memberstack better-sqlite3
pnpm install --save-dev @types/better-sqlite3
```

```bash bun theme={null}
bun add corsair @corsair-dev/memberstack better-sqlite3
bun add --dev @types/better-sqlite3
```

**2. Add the plugin**

```ts corsair.ts theme={null}
import Database from 'better-sqlite3';
import { createCorsair } from 'corsair';
import { memberstack } from '@corsair-dev/memberstack';

export const corsair = createCorsair({
	plugins: [
		memberstack({
			authType: 'api_key',
		}),
	],
	database: new Database('corsair.db'),
	kek: process.env.CORSAIR_KEK!,
	multiTenancy: true,
	hub: {
		projectApiKey: process.env.CORSAIR_API_KEY!,
		signingSecret: process.env.CORSAIR_SIGNING_SECRET!,
	},
});
```

With `multiTenancy: true`, scope calls with `corsair.withTenant(id)`. See [Quick start](https://docs.corsair.dev/quick-start.md) for KEK + Hub keys, and [Multi-tenancy](https://docs.corsair.dev/concepts/multi-tenancy.md) for account isolation.

**3. Choose authentication**

> [tab] API Key (Recommended)
>
> Store the Memberstack API key before the first call: `pnpm corsair setup --plugin=memberstack --tenant=acme api_key=<your-key>` (leave out `--tenant` without `multiTenancy`), or pass it as `key` in the plugin options. With Hub, each tenant enters their own key on the connect page. See [API key auth](https://docs.corsair.dev/concepts/api-key).
>
> ```ts theme={null}
> memberstack({
> 	authType: 'api_key',
> })
> ```
>
> More: [API Key](https://docs.corsair.dev/concepts/api-key)

**4. Connect a tenant**

Mint a connect link and send the tenant to it. Hub hosts the page and delivers the result to your app — see [Connect / OAuth](https://docs.corsair.dev/management/connect).

```ts theme={null}
const { connectUrl } = await corsair.manage.connect.createLink({
	plugin: 'memberstack',
	tenantId: 'acme',
});
// redirect the user's browser to connectUrl
```

## Example API calls

**List members**

```ts theme={null}
const tenant = corsair.withTenant('acme');
await tenant.memberstack.api.members.list({ limit: 25 });
```

**Add a free plan**

```ts theme={null}
const tenant = corsair.withTenant('acme');
await tenant.memberstack.api.members.addPlan({ id: 'mem_example', planId: 'pln_example' });
```

See the full list on the [API](https://docs.corsair.dev/plugins/memberstack/api.md) page.

## What's next

> [card] [API reference](https://docs.corsair.dev/plugins/memberstack/api.md)
>
> Every `memberstack.api.*` operation with input and output types.

> [card] [Connect / OAuth](https://docs.corsair.dev/management/connect)
>
> createLink, Hub delivery, and tenant connect flows.

> [card] [Use with agents](https://docs.corsair.dev/mcp-adapters/mcp-adapters)
>
> Expose this plugin's operations as MCP tools.


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