> ## Documentation Index > Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-7021d5f4.mintlify.site/llms.txt > Use this file to discover all available pages before exploring further. # RankingsDailyMeta - Python SDK > RankingsDailyMeta method reference The Python SDK and docs are currently in beta. Report issues on [GitHub](https://github.com/OpenRouterTeam/python-sdk/issues). ## Fields | Field | Type | Required | Description | Example | | ------------ | -------------------------------------------------------------------------- | -------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------- | | `as_of` | *str* | :heavy\_check\_mark: | ISO-8601 timestamp of when the response was generated. Reflects data-freshness because the underlying materialized view continuously ingests upstream events. | 2026-05-12T02:00:00Z | | `end_date` | *str* | :heavy\_check\_mark: | Resolved end of the date window (UTC, inclusive). | 2026-05-11 | | `start_date` | *str* | :heavy\_check\_mark: | Resolved start of the date window (UTC, inclusive). | 2026-04-12 | | `version` | [components.Version](/client-sdks/python/api-reference/components/version) | :heavy\_check\_mark: | Dataset version. Field names and grain are stable for the life of `v1`. | |