[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Network](./puppeteer.protocol.network.md) > [SignedExchangeHeader](./puppeteer.protocol.network.signedexchangeheader.md) > [headerIntegrity](./puppeteer.protocol.network.signedexchangeheader.headerintegrity.md) ## Protocol.Network.SignedExchangeHeader.headerIntegrity property Signed exchange header integrity hash in the form of "sha256-". Signature: ```typescript headerIntegrity: string; ```