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Express.js · Module

bodyParser

express.json() returns middleware that parses matching JSON request bodies and stores the result in req.body. Use its options to control size, compression, media type matching, and raw-body verification.

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Syntax

express.json([options])

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • express()
  • express.raw()
  • express.text()
  • express.urlencoded()
  • req.body

Source: Express Object. Checked 2026-11-03.