> ## Documentation index
> Fetch the complete documentation index at: https://upstash.com/docs/llms.txt
> Ask it with GET https://upstash.com/docs/ask?q=<keywords or question>. Short keywords rank best.
> Use these to discover all available pages before exploring further.
> Feature requests: https://upstash.com/docs/common/help/feature-requests.md lists what users asked for and how to vote for a request or add one.
> Page rating: `GET https://upstash.com/docs/feedback?path=/docs/redis/sdks/ts/commands/string/mset&helpful=true` (or `false`) records whether this page helped. An optional `comment` (URL-encoded, at most 500 characters) says what was missing or wrong. It is anonymous and needs no key. Comments hold no code, secrets or personal data.

# MSET

> Set multiple keys in one go.

For billing purposes, this counts as a single command.

## Arguments 

<ParamField body="params" type="Record<string, TValue>" required>
  An object where the keys are the keys to set, and the values are the values to set.
</ParamField>

## Response

<ResponseField type="string" required>
"OK"
</ResponseField>

<RequestExample>
```ts Example
await redis.mset({
    key1: 1,
    key2: "hello",
    key3: { a: 1, b: "hello" },
});
```
</RequestExample>