# Scalar URI Template Expansion

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.

Expand RFC6570 scalar string variables with simple, reserved, fragment, label, path, path-parameter and query operators. Explicitly rejects prefix/explode modifiers, lists/maps and non-ASCII variable names/literals. Missing/null variables are omitted with an audit list; no URL fetch, safety verdict or encoding guesswork.

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

## Choose for
- Expand scalar RFC6570 API URL templates without accidental slash or query injection
- Construct path and query expressions with explicit reserved expansion

## Outside this profile
- Full RFC6570 level 4, prefix/explode/list/map expansions or arbitrary Unicode template literals
- URL authorization, host allowlisting, SSRF safety or fetching

Proposed nominal USD 0.003 per successful call; payer fees excluded. No verified runtime availability.

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