# UpdateWaitlist

> Update a waitlist's settings. Write access, waitlists toolset, MCP tool update_waitlist. Part of the MISSIN public API: call it with an API key, or from an AI…

**Access:** [Write](https://developer.missin.co.uk/get-started/authentication.md#access-levels)

## Variables

| Variable | Type | Required | Accepts | Description |
|---|---|---|---|---|
| `input` | `UpdateWaitlistInput!` | yes | Input object, below |  |

## Input types

### UpdateWaitlistInput

| Field | Type | Required | Accepts | Description |
|---|---|---|---|---|
| `doubleOptIn` | `Boolean` | no |  |  |
| `formId` | `UUID` | no |  |  |
| `id` | `UUID!` | yes |  |  |
| `incentiveId` | `UUID` | no |  | Explicit null clears the incentive; omitted leaves it. |
| `name` | `String` | no | 1 to 120 characters |  |
| `notifyEmails` | `[String!]` | no | at most 5 items | Replaces the weekly-summary list; an empty list turns it off, omitted leaves it. |
| `releasedMessage` | `String` | no | at most 280 characters |  |
| `retentionDays` | `Int` | no | 32-bit integer. 30 to 730 |  |
| `shopifyProductGid` | `String` | no | matches `^gid:\/\/shopify\/Product\/\d+$` |  |

## Call it

```bash curl
curl https://api.missin.co.uk/graphql/v1 \
  -H "Authorization: Bearer $MISSIN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"operationName":"UpdateWaitlist","variables":{"input":{"id":"00000000-0000-0000-0000-000000000000"}},"extensions":{"persistedQuery":{"version":1,"sha256Hash":"e11fde738f240f801c9ef5a57dcf5e5fbaf45277c072cfc800d14fa01dcfa9bf"}}}'
```

## Document

```graphql
mutation UpdateWaitlist($input: UpdateWaitlistInput!) { __typename updateWaitlist(input: $input) { __typename userErrors { __typename code field message } waitlist { __typename id slug } } }
```

Source: https://developer.missin.co.uk/reference/waitlists/update-waitlist