n8nのAPI/Webhook連携・開発者向け情報
n8nは強力なAPI/Webhook機能を備え、外部システムとのリアルタイム連携を実現します。Webhookトリガーで外部イベントを即座に処理し、HTTPリクエストノードで任意のAPIを呼び出し可能。認証（OAuth、API Key、Basic Auth）、レスポンス処理、エラーハンドリングまで柔軟に対応します。
# [2.11.0](https://github.com/n8n-io/n8n/compare/n8n@2.10.0...n8n@2.11.0) (2026-03-03) ### Bug Fixes * Add missing chat tool input logs ([#26229](https://github.com/n8n-io/n8n/issues/26229)) ([c3dd
## [2.9.4-exp.0](https://github.com/n8n-io/n8n/compare/n8n@2.9.4...n8n@2.9.4-exp.0) (2026-02-27) ### Bug Fixes * **editor:** Selectively apply credentials for http request nodes ([#26003](https://g
## [2.10.2](https://github.com/n8n-io/n8n/compare/n8n@2.10.1...n8n@2.10.2) (2026-02-27) ### Bug Fixes * **core:** Don't show setup in demo mode ([#26233](https://github.com/n8n-io/n8n/issues/2
<a href="https://news.google.com/rss/articles/CBMigwFBVV95cUxQNXptM0RuNWxNTzRjampGSkhlcjBXNmpWaWxfeGdMaVdnYkVBMHdvUVFTMFdHT3FuY0RreUJqRGVEREx5emJIWnN2UzlOMlQ0MWttWmNrbzlHSU5WMlRYUmFqOTQtcmx1b0FzTk9
## [2.9.4](https://github.com/n8n-io/n8n/compare/n8n@2.9.3...n8n@2.9.4) (2026-02-25) ### Bug Fixes * **core:** Always serve /healthz on task broker regardless of N8N_ENDPOINT_HEALTH ([#25959](
## [2.9.3-exp.0](https://github.com/n8n-io/n8n/compare/n8n@2.9.3...n8n@2.9.3-exp.0) (2026-02-25) ### Bug Fixes * **editor:** Selectively apply credentials for http request nodes ([#26003](https://g
## [1.123.22](https://github.com/n8n-io/n8n/compare/n8n@1.123.21...n8n@1.123.22) (2026-02-25)
## [2.9.3](https://github.com/n8n-io/n8n/compare/n8n@2.9.2...n8n@2.9.3) (2026-02-25)
## [2.10.1](https://github.com/n8n-io/n8n/compare/n8n@2.10.0...n8n@2.10.1) (2026-02-25)
## [2.9.2-exp.0](https://github.com/n8n-io/n8n/compare/n8n@2.9.2...n8n@2.9.2-exp.0) (2026-02-24) ### Bug Fixes * **editor:** Selectively apply credentials for http request nodes ([#26003](https://g
## [2.9.2](https://github.com/n8n-io/n8n/compare/n8n@2.9.1...n8n@2.9.2) (2026-02-23) ### Bug Fixes * **editor:** Alignment issues and nits ([#25954](https://github.com/n8n-io/n8n/issues/25954)
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