/Knowledge/sources/honojs__hono/llms-full/request-id-middleware--d93297e8385b.md
Request ID Middleware - hono-docs
Request ID Middleware Source evidence: /Sources/honojs hono/provenance.md Canonical citation: https://hono.dev/llms full.txt request id middleware Summary Re...
Request ID Middleware
Source evidence: /Sources/honojs__hono/provenance.md Canonical citation: https://hono.dev/llms-full.txt#request-id-middleware
Summary
Request ID Middleware generates a unique ID for each request, which you can use in your handlers. ::: info Node.js: This middleware uses crypto.randomUUID() to generate IDs. The global crypto was introduced in Node.js version 20...
Content
Request ID Middleware generates a unique ID for each request, which you can use in your handlers.
::: info
Node.js: This middleware uses crypto.randomUUID() to generate IDs. The global crypto was introduced in Node.js version 20 or later. Therefore, errors may occur in versions earlier than that. In that case, please specify generator. However, if you are using the Node.js adapter, it automatically sets crypto globally, so this is not necessary.
:::
Metadata
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"citation": "https://hono.dev/llms-full.txt#request-id-middleware",
"coverage_role": "overview",
"qualified_title": "Hono / llms-full / Request ID Middleware",
"retrieved_at": "2026-07-02T05:51:01Z",
"section_index": 337,
"source_id": "/honojs/hono",
"source_type": "llms_full",
"target_label": "llms-full",
"title": "Request ID Middleware",
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"version": "2026"
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