How should I use the HAR manifest endpoint?

Fetch manifest JSON to pin fixture names, sizes, hashes, and MIME expectations in automated tests.

Why does this format have a category-specific hub?

A category-specific hub keeps assumptions aligned with practical workflows and related format alternatives.

Format reference

HAR Format Hub

HAR (.har) files capture browser network activity as structured request and response records. Use sample HAR files to test waterfall analysis, request replay tooling, timing inspection, and browser-network debugging workflows.

Open Sample Page Open Manifest JSON

3 Files

150 Downloads (30d)

application/octet-stream

Related Formats in Data

HAR Related Formats

SQL (14) YAML (10) ENV (9) GRAPHQL (9) INI (9) JSONL (9) NDJSON (9) PROTO (9)

Format Strategy Links

HAR Format Guides

Open HAR FAQ

Implementation Notes

HAR Implementation Notes

Use the manifest endpoint for deterministic fixture selection in CI, then validate MIME/type detection against actual parser output.

If this format appears in multiple categories, prefer category-specific hub pages to keep test assumptions aligned with real usage.