See exactly what your tests miss.
Endpoint by endpoint, parameter by parameter.

Drop in an OpenAPI spec and your test traffic. TraceCov maps every endpoint, parameter, and schema keyword your test suite never touches. In seconds, in your browser.

Files never leave this tab. No upload, no telemetry, no account.

1 API schema

.json .yaml .yml

Drop your OpenAPI spec or

OpenAPI 3.x or Swagger 2.0

2 Test traffic

HAR Postman VCR

Drop your captured traffic or

HAR archives, Postman collections, VCR cassettes

BASE PATH

Spec and traffic combined: 5 MB demo limit.

What you'll seeexample output

TraceCov coverage report — Operations, Parameters, Keywords, Examples, Responses, with per-endpoint rows showing covered / partial / uncovered status

Fits your workflowthree ways in

CLI Generate reports from recorded traffic Point at an OpenAPI spec and one or more HAR, Postman, or VCR files. Outputs HTML, JSON, or Markdown. $ tracecov report api.yaml session.har

PYTEST PLUGIN Coverage report on every pytest run Install tracecov, pick a format, and the plugin writes a coverage report when the run finishes. $ pytest --tracecov-format=html

PYTHON LIBRARY Wrap your test client, get coverage A CoverageMap records every request your suite makes. Works with requests, httpx, Django, and Flask test clients. coverage.requests.track_session(session)

See exactly what your tests miss. Endpoint by endpoint, parameter by parameter.

See exactly what your tests miss.
Endpoint by endpoint, parameter by parameter.