Set Header

Replace all HTTP headers on the active browser session.

Set Header replaces every HTTP header on the active browser session with a JSON map you provide. Use it when the Flow needs a known header set before navigation or API traffic.

Set headers Test Step

When to use it

• Apply a full header bundle stored in a Value.

• Reset headers to a baseline before a sensitive journey branch.

• Pair with Remove all headers when a later branch should start clean.

Configure

Basics

Field	What to set
Headers	JSON object of header names and values. Reference Values inside strings with "{{valueName}}"

Advanced

Field	What to set
When should screenshots be taken?	Always or On Failures (default)
Status on fail	Failed Status

Pro tip: Store reusable header JSON in Asset Values so staging and production differ only by the Value reference, not the step configuration.

Related

• Add header

• Remove all headers

• Runner

Tags: runner, header, set