---
type: "Specification"
title: "OAuth Token Exchange — RFC 8693"
description: "Narrowing or translating authority for downstream services."
resource: "https://www.rfc-editor.org/rfc/rfc8693"
tags: [oauth, delegation, security]
generated: { by: human:crpage, at: 2026-07-09T09:44:00Z }
status: stable
sources: [{ id: primary, resource: "https://www.rfc-editor.org/rfc/rfc8693" }]
---

Supports narrowing audience/scope and service-to-service delegation — strong for planner-executor architectures and downstream APIs. Adds trust and STS design complexity.