# Exact typed record crosstab

Build-time release reference. Runtime readiness, deployment, payment settlement and external indexing are not evaluated here. Prices are proposed; this file cannot authorize execution or payment.

Compose first-occurrence typed row/column axes, dense counts, exact decimal-string sums and per-measure missing/null/valid coverage with aligned margins.

Release: 0.29.0. Built: 2026-10-06T15:38:00Z.

## Choose for
- Producing typed crossed categories with exact decimal sums from supplied records
- Preserving missing versus null and scalar-type distinctions
- Preparing aligned count grids and row/column/grand totals

## Outside this profile
- Accounting advice, statistical inference or verification of supplied observations
- Floating-point measurements, automatic numeric string coercion or implicit chart conversion
- Locale ordering, category normalization or inventing absent categories
- Fetching sources, changing external state or executing supplied data

Proposed nominal USD 0.006 per successful call; payer fees excluded. No verified runtime availability.

- [Exact release contract](/reference/services/records-crosstab-compose.json)
- [Input schema](/reference/schemas/records-crosstab-compose.input.json)
- [Output schema](/reference/schemas/records-crosstab-compose.output.json)
- [Fixed example](/reference/examples/records-crosstab-compose.json)
- [Complete HTML reference](/discover/tools/records-crosstab-compose)