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32 changes: 21 additions & 11 deletions capability/loadtesting.capability-index.json
Original file line number Diff line number Diff line change
Expand Up @@ -3,8 +3,8 @@
"version": "1.0",
"build_id": "43eba70_2026-09-02T14:26:51Z",
"loadtesting": {
"summary": "Load and performance testing: run k6, JMeter, Gatling and Locust load tests at scale. List and inspect projects and load tests; create, update, start, stop and monitor runs; read run reports, AI insights and historical trends; compare runs; and check VU-hour quota and cost estimates. Test definitions, runs and their results live here. Account plan and billing do not — only VU-hour entitlement is exposed, via quota.",
"base_url": "https://load-api.browserstack.com",
"summary": "Load and performance testing: run k6, JMeter, Gatling and Locust load tests at scale. List and inspect projects and load tests; create, update, start, stop and monitor runs; read run reports, AI insights and historical trends; compare runs; and check VU-hour quota and cost estimates. Test definitions, runs and their results live here. Account plan and billing do not — only VU-hour entitlement is exposed, via quota. There is no capability to delete a load test or schedule recurring runs — for those, point the user to the web dashboard. Each capability returns its full result in one call; reuse a result within a task rather than re-fetching the same data.",
"base_url": "https://load-testing-rengg-lts.bsstag.com",
"auth": {
"type": "http",
"scheme": "basic"
Expand Down Expand Up @@ -242,7 +242,8 @@
"intent": "Show how a project's load-test metrics trend across recent runs — use this for 'is performance getting better or worse across this project?'",
"guidance": [
"metrics accepts dotted names or @ aliases; @vitals / @all expand to metric sets.",
"windowRuns bounds how many recent runs are aggregated."
"windowRuns bounds how many recent runs are aggregated.",
"Returns the whole windowed series across metrics in one call — request all needed metrics together; do not call once per metric or re-fetch the same window."
],
"returns": [
"metrics"
Expand Down Expand Up @@ -334,7 +335,8 @@
"guidance": [
"Returns run metadata only, not metrics — use getLoadTestRunReport for a run's KPIs.",
"Page with cursor + limit; nextCursor is opaque.",
"For a single test's history use /loadTests/{testId}/runs; for currently-live runs use /loadTests/runs/active."
"For a single test's history use /loadTests/{testId}/runs; for currently-live runs use /loadTests/runs/active.",
"One call returns the page of run history — reuse it for follow-ups and page with cursor only when more rows are needed; do not re-list the same window."
],
"returns": [
"runs",
Expand Down Expand Up @@ -437,7 +439,8 @@
"guidance": [
"jobId is the run UUID from startLoadTestRun or listLoadTestRuns.",
"Respect pollAfterSeconds between polls instead of tight-looping.",
"slaBreachFlags surfaces threshold breaches as they trip."
"slaBreachFlags surfaces threshold breaches as they trip.",
"For 'is it done?' / 'how much time is left?', this status call is sufficient — do not fetch the run report to answer a status question."
],
"returns": [
"status",
Expand Down Expand Up @@ -613,7 +616,9 @@
"Only valid for a terminal run.",
"Start with detail=aggregate; escalate to per-txn or full only when you need transaction- or network-level detail — full is large.",
"groupBy and errorCategory narrow the payload; byteCap hard-caps the response (max 256 KB).",
"metrics accepts dotted names or @ aliases; see getLoadTestMetricsManifest for what applies to this test type."
"metrics accepts dotted names or @ aliases; see getLoadTestMetricsManifest for what applies to this test type.",
"Answer a scoped question with the narrowest slice instead of the whole report: one metric → metrics=; error breakdown → errorCategory= (or slaOnly=true); a time window → sinceIso/untilIso; slowest transaction → detail=per-txn with groupBy=transaction and topN.",
"One call with the right params returns everything for that question — do not re-fetch the same run with the same params. Fetch the full report (view=full / detail=full) only when the user explicitly asks for the raw or complete report."
],
"returns": [
"runId",
Expand Down Expand Up @@ -748,7 +753,8 @@
"guidance": [
"Read-only despite being a POST — nothing is started.",
"fitsInQuota / remainingAfterEstimate compare the estimate against current quota.",
"For the same check at start time, call startLoadTestRun with dryRun:true."
"For the same check at start time, call startLoadTestRun with dryRun:true.",
"Always use this for a cost or VU-hour estimate of a hypothetical run — it models ramp-up. Do not compute VU-hours by hand from VUs × duration."
],
"returns": [
"estimatedVuHours",
Expand Down Expand Up @@ -830,7 +836,8 @@
"intent": "Compare two completed runs and surface the deltas — use this for 'did this run regress vs the baseline?'",
"guidance": [
"baselineRunId and candidateRunId are run UUIDs and must differ; both runs must be terminal.",
"regressedOnly + pctChangeMin filter to material regressions; dimensions accepts kpi, transaction, sla."
"regressedOnly + pctChangeMin filter to material regressions; dimensions accepts kpi, transaction, sla.",
"Use this to compare two runs — it returns per-KPI and per-transaction deltas directly. Do not fetch both run reports and diff them yourself."
],
"returns": [
"kpiDeltas",
Expand Down Expand Up @@ -1103,7 +1110,8 @@
"intent": "List the execution history of a test — use this to find past runs of a specific test or to get a runId.",
"guidance": [
"testId is numeric; runId values returned are UUIDs.",
"Filter with status / verdict / date range; page with cursor + limit."
"Filter with status / verdict / date range; page with cursor + limit.",
"One call returns this test's run history — reuse it and page with cursor when needed; do not re-list the same window."
],
"returns": [
"runs",
Expand Down Expand Up @@ -1185,7 +1193,8 @@
"intent": "Show how one test's metrics trend across its recent runs — use this for 'is this test getting slower over time?'",
"guidance": [
"metrics accepts dotted names or @ aliases; @vitals / @all expand to metric sets.",
"windowRuns bounds how many recent runs are aggregated."
"windowRuns bounds how many recent runs are aggregated.",
"Returns the whole windowed series across metrics in one call — request all needed metrics together; do not call once per metric or re-fetch the same window."
],
"returns": [
"metrics"
Expand Down Expand Up @@ -1361,7 +1370,8 @@
"intent": "Get the full configuration of a single load test — use this to inspect a test's settings, script reference, SLA thresholds and children.",
"guidance": [
"testId is numeric (from listLoadTests).",
"Use include to expand config / thresholds / tags / children."
"Use include to expand config / thresholds / tags / children.",
"A single call returns the complete configuration — VU/ramp profile, duration, load-generator regions and SLA thresholds (expand them with include=config,thresholds). Do not call again for the same testId within a task; reuse the result."
],
"returns": [
"testId",
Expand Down