# Http Headers Normalize

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.

Use to validate and lowercase HTTP field names and trim field values before signing or comparing requests. Preserves repeated headers as arrays and does not combine Set-Cookie.

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

## Choose for
- Validate HTTP field names and trim values while preserving repeated Set-Cookie headers and multiple values.

## Outside this profile
- HTTP request transmission or combining Set-Cookie into one field.

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

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