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建立時間： 2026-03-28 來源： https://developers.google.com/workspace/classroom/best-practices/batch?hl=zh-tw
Summary
Official Google documentation explaining how to batch multiple Google Classroom API calls into a single HTTP request using multipart/mixed content type, reducing connection overhead. A single batch request can contain up to 50 API calls. Each individual call within a batch still counts separately against quota limits.
Google 官方文件，說明如何將多個 Google Classroom API 呼叫批次合併到單一 HTTP 請求中，使用 multipart/mixed 內容類型，減少連線開銷。單一批次最多可包含 50 個 API 呼叫，但每個呼叫仍分別計入配額限制。
Key Points
- Batch requests use multipart/mixed HTTP body to combine multiple API calls
- Single batch request limit: 50 calls maximum; use multiple batches for more
- Each batch part is a complete HTTP request (method, path, headers, body)
- Batching reduces number of HTTP connections, not quota usage — n calls in a batch = n quota hits
- Target endpoint:
/batch/api_name/api_version - Useful for: bulk course enrollment, bulk course creation, fetching rosters for many courses at once
Insights
The important caveat — batch requests still count as n quota hits, not 1 — means batching doesn’t help if you’re hitting rate limits per-call. Its value is in connection efficiency and latency reduction when making many independent calls that don’t need to be sequential. This pattern is most valuable in server-side admin tools where you might update hundreds of courses in one operation.
Connections
Raw Excerpt
在任一案例中，都不需要個別傳送每一個呼叫，只需將這些呼叫分組後組成單一 HTTP 要求。所有內部要求都必須前往相同的 Google API。單一批次要求最多能包含 50 個呼叫。