---
url: 'https://adk.nht.io/api/@nhtio/adk/lib/utils/retry/functions/parseRetryAfter.md'
---

# Function: parseRetryAfter()

```ts
function parseRetryAfter(raw: string): number;
```

Defined in: [lib/utils/retry.ts:75](https://github.com/NHTIO/ADK/blob/v1.20260605.0/src/lib/utils/retry.ts#L75)

Parses an HTTP `Retry-After` header value (delta-seconds or HTTP-date) into milliseconds.

## Parameters

| Parameter | Type     | Description       |
| --------- | -------- | ----------------- |
| `raw`     | `string` | The header value. |

## Returns

`number`

Milliseconds to wait, or `0` when the value cannot be parsed or is in the past.