> ## Documentation index
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> 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/zset/zcard&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.

# ZCARD

> Returns the number of elements in the sorted set stored at key.

## Arguments 

<ParamField body="key" type="string" required>
  The key to get.
</ParamField>

## Response

<ResponseField type="integer" required>
    The number of elements in the sorted set.
</ResponseField>

<RequestExample>
```ts Example

await redis.zadd("key", 
    { score: 1, member: "one"}, 
    { score: 2, member: "two" },
);
const elements = await redis.zcard("key");
console.log(elements); // 2
```
</RequestExample>