# Preview Data Specs

These are versioned long-form contract documents for preview-data. Use the [Preview Data Reference](../index.md) for day-to-day lookup and the current schema link.

- [Preview Data Spec v0.7](v0.7/index.md) — Current
- [Preview Data Spec v0.6](v0.6/index.md) — Historical
- [Preview Data Spec v0.5](v0.5/index.md) — Historical