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      • POSTCreate holdout
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      • GETGet holdout
      • GETGet Holdout by Id
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REST API overviewHoldouts Beta

Get Holdout by Id

GET
/api/v2/projects/:projectKey/environments/:environmentKey/holdouts/id/:holdoutId
GET
/api/v2/projects/:projectKey/environments/:environmentKey/holdouts/id/:holdoutId
$curl https://app.launchdarkly.com/api/v2/projects/projectKey/environments/environmentKey/holdouts/id/holdoutId \
> -H "Authorization: <apiKey>"
1{
2 "_id": "string",
3 "status": "created",
4 "holdoutAmount": "string",
5 "createdAt": 1,
6 "updatedAt": 1,
7 "baseExperiment": {
8 "key": "experiment-key-123abc",
9 "name": "Example experiment",
10 "_maintainerId": "12ab3c45de678910fgh12345",
11 "_creationDate": 1654104600000,
12 "environmentKey": "string",
13 "_links": {
14 "parent": {
15 "href": "/api/v2/projects/my-project/environments/my-environment",
16 "type": "application/json"
17 },
18 "self": {
19 "href": "/api/v2/projects/my-project/environments/my-environment/experiments/my-experiment",
20 "type": "application/json"
21 }
22 },
23 "_id": "12ab3c45de678910fgh12345",
24 "description": "An example experiment, used in testing",
25 "methodology": "bayesian",
26 "dataSource": "snowflake",
27 "archivedDate": 1654104600000,
28 "tags": [
29 "experiment",
30 "feature"
31 ],
32 "holdoutId": "f3b74309-d581-44e1-8a2b-bb2933b4fe40",
33 "currentIteration": {
34 "hypothesis": "The new button placement will increase conversion",
35 "status": "running",
36 "createdAt": 1654104600000,
37 "_id": "12ab3c45de678910fgh12345",
38 "startedAt": 1655314200000,
39 "endedAt": 1656610200000,
40 "winningTreatmentId": "122c9f3e-da26-4321-ba68-e0fc02eced58",
41 "winningReason": "We ran this iteration for two weeks and the winning variation was clear",
42 "canReshuffleTraffic": true,
43 "flags": {},
44 "reallocationFrequencyMillis": 3600000,
45 "version": 0,
46 "primaryMetric": {
47 "key": "metric-key-123abc",
48 "_versionId": "string",
49 "name": "My metric",
50 "kind": "custom",
51 "_links": {
52 "self": {
53 "href": "/api/v2/metrics/my-project/my-metric",
54 "type": "application/json"
55 }
56 },
57 "isGroup": true,
58 "isNumeric": true,
59 "eventKey": "event-key-123abc",
60 "metrics": [
61 {
62 "key": "metric-key-123abc",
63 "name": "Example metric",
64 "kind": "custom",
65 "_links": {
66 "self": {
67 "href": "/api/v2/metrics/my-project/my-metric",
68 "type": "application/json"
69 }
70 },
71 "_versionId": "version-id-123abc",
72 "isNumeric": true,
73 "unitAggregationType": "sum",
74 "eventKey": "event-key-123abc",
75 "nameInGroup": "Step 1",
76 "analysisUnits": [
77 "user"
78 ],
79 "randomizationUnits": [
80 "user"
81 ]
82 }
83 ]
84 },
85 "primarySingleMetric": {
86 "key": "metric-key-123abc",
87 "name": "Example metric",
88 "kind": "custom",
89 "_links": {
90 "self": {
91 "href": "/api/v2/metrics/my-project/my-metric",
92 "type": "application/json"
93 }
94 },
95 "_versionId": "version-id-123abc",
96 "isNumeric": true,
97 "unitAggregationType": "sum",
98 "eventKey": "event-key-123abc"
99 },
100 "primaryFunnel": {
101 "key": "metric-group-key-123abc",
102 "name": "My metric group",
103 "kind": "funnel",
104 "_links": {
105 "parent": {
106 "href": "/api/v2/projects/my-project",
107 "type": "application/json"
108 },
109 "self": {
110 "href": "/api/v2/projects/my-project/metric-groups/my-metric-group",
111 "type": "application/json"
112 }
113 },
114 "metrics": [
115 {
116 "key": "metric-key-123abc",
117 "name": "Example metric",
118 "kind": "custom",
119 "_links": {
120 "self": {
121 "href": "/api/v2/metrics/my-project/my-metric",
122 "type": "application/json"
123 }
124 },
125 "_versionId": "version-id-123abc",
126 "isNumeric": true,
127 "unitAggregationType": "sum",
128 "eventKey": "event-key-123abc",
129 "nameInGroup": "Step 1",
130 "analysisUnits": [
131 "user"
132 ],
133 "randomizationUnits": [
134 "user"
135 ]
136 }
137 ]
138 },
139 "randomizationUnit": "user",
140 "attributes": [
141 "string"
142 ],
143 "treatments": [
144 {
145 "name": "Treatment 1",
146 "allocationPercent": "10",
147 "_id": "122c9f3e-da26-4321-ba68-e0fc02eced58",
148 "baseline": true,
149 "parameters": [
150 {
151 "variationId": "string",
152 "flagKey": "string"
153 }
154 ]
155 }
156 ],
157 "metrics": [
158 {
159 "key": "metric-key-123abc",
160 "_versionId": "string",
161 "name": "My metric",
162 "kind": "custom",
163 "_links": {
164 "self": {
165 "href": "/api/v2/metrics/my-project/my-metric",
166 "type": "application/json"
167 }
168 },
169 "isGroup": true,
170 "isNumeric": true,
171 "eventKey": "event-key-123abc",
172 "metrics": [
173 {
174 "key": "metric-key-123abc",
175 "name": "Example metric",
176 "kind": "custom",
177 "_links": {
178 "self": {
179 "href": "/api/v2/metrics/my-project/my-metric",
180 "type": "application/json"
181 }
182 },
183 "_versionId": "version-id-123abc",
184 "isNumeric": true,
185 "unitAggregationType": "sum",
186 "eventKey": "event-key-123abc",
187 "nameInGroup": "Step 1",
188 "analysisUnits": [
189 "user"
190 ],
191 "randomizationUnits": [
192 "user"
193 ]
194 }
195 ]
196 }
197 ],
198 "layerSnapshot": {
199 "key": "checkout-flow",
200 "name": "Checkout Flow",
201 "reservationPercent": 10,
202 "otherReservationPercent": 70
203 },
204 "covariateInfo": {
205 "id": "74a49a2b-4834-4246-917e-5d85231d8c2a",
206 "fileName": "covariate.csv",
207 "createdAt": 1654104600000
208 },
209 "secondaryMetrics": [
210 {
211 "key": "metric-key-123abc",
212 "name": "Example metric",
213 "kind": "custom",
214 "_links": {
215 "self": {
216 "href": "/api/v2/metrics/my-project/my-metric",
217 "type": "application/json"
218 }
219 },
220 "_versionId": "version-id-123abc",
221 "isNumeric": true,
222 "unitAggregationType": "sum",
223 "eventKey": "event-key-123abc"
224 }
225 ]
226 },
227 "type": "experiment",
228 "draftIteration": {
229 "hypothesis": "The new button placement will increase conversion",
230 "status": "running",
231 "createdAt": 1654104600000,
232 "_id": "12ab3c45de678910fgh12345",
233 "startedAt": 1655314200000,
234 "endedAt": 1656610200000,
235 "winningTreatmentId": "122c9f3e-da26-4321-ba68-e0fc02eced58",
236 "winningReason": "We ran this iteration for two weeks and the winning variation was clear",
237 "canReshuffleTraffic": true,
238 "flags": {},
239 "reallocationFrequencyMillis": 3600000,
240 "version": 0,
241 "primaryMetric": {
242 "key": "metric-key-123abc",
243 "_versionId": "string",
244 "name": "My metric",
245 "kind": "custom",
246 "_links": {
247 "self": {
248 "href": "/api/v2/metrics/my-project/my-metric",
249 "type": "application/json"
250 }
251 },
252 "isGroup": true,
253 "isNumeric": true,
254 "eventKey": "event-key-123abc",
255 "metrics": [
256 {
257 "key": "metric-key-123abc",
258 "name": "Example metric",
259 "kind": "custom",
260 "_links": {
261 "self": {
262 "href": "/api/v2/metrics/my-project/my-metric",
263 "type": "application/json"
264 }
265 },
266 "_versionId": "version-id-123abc",
267 "isNumeric": true,
268 "unitAggregationType": "sum",
269 "eventKey": "event-key-123abc",
270 "nameInGroup": "Step 1",
271 "analysisUnits": [
272 "user"
273 ],
274 "randomizationUnits": [
275 "user"
276 ]
277 }
278 ]
279 },
280 "primarySingleMetric": {
281 "key": "metric-key-123abc",
282 "name": "Example metric",
283 "kind": "custom",
284 "_links": {
285 "self": {
286 "href": "/api/v2/metrics/my-project/my-metric",
287 "type": "application/json"
288 }
289 },
290 "_versionId": "version-id-123abc",
291 "isNumeric": true,
292 "unitAggregationType": "sum",
293 "eventKey": "event-key-123abc"
294 },
295 "primaryFunnel": {
296 "key": "metric-group-key-123abc",
297 "name": "My metric group",
298 "kind": "funnel",
299 "_links": {
300 "parent": {
301 "href": "/api/v2/projects/my-project",
302 "type": "application/json"
303 },
304 "self": {
305 "href": "/api/v2/projects/my-project/metric-groups/my-metric-group",
306 "type": "application/json"
307 }
308 },
309 "metrics": [
310 {
311 "key": "metric-key-123abc",
312 "name": "Example metric",
313 "kind": "custom",
314 "_links": {
315 "self": {
316 "href": "/api/v2/metrics/my-project/my-metric",
317 "type": "application/json"
318 }
319 },
320 "_versionId": "version-id-123abc",
321 "isNumeric": true,
322 "unitAggregationType": "sum",
323 "eventKey": "event-key-123abc",
324 "nameInGroup": "Step 1",
325 "analysisUnits": [
326 "user"
327 ],
328 "randomizationUnits": [
329 "user"
330 ]
331 }
332 ]
333 },
334 "randomizationUnit": "user",
335 "attributes": [
336 "string"
337 ],
338 "treatments": [
339 {
340 "name": "Treatment 1",
341 "allocationPercent": "10",
342 "_id": "122c9f3e-da26-4321-ba68-e0fc02eced58",
343 "baseline": true,
344 "parameters": [
345 {
346 "variationId": "string",
347 "flagKey": "string"
348 }
349 ]
350 }
351 ],
352 "metrics": [
353 {
354 "key": "metric-key-123abc",
355 "_versionId": "string",
356 "name": "My metric",
357 "kind": "custom",
358 "_links": {
359 "self": {
360 "href": "/api/v2/metrics/my-project/my-metric",
361 "type": "application/json"
362 }
363 },
364 "isGroup": true,
365 "isNumeric": true,
366 "eventKey": "event-key-123abc",
367 "metrics": [
368 {
369 "key": "metric-key-123abc",
370 "name": "Example metric",
371 "kind": "custom",
372 "_links": {
373 "self": {
374 "href": "/api/v2/metrics/my-project/my-metric",
375 "type": "application/json"
376 }
377 },
378 "_versionId": "version-id-123abc",
379 "isNumeric": true,
380 "unitAggregationType": "sum",
381 "eventKey": "event-key-123abc",
382 "nameInGroup": "Step 1",
383 "analysisUnits": [
384 "user"
385 ],
386 "randomizationUnits": [
387 "user"
388 ]
389 }
390 ]
391 }
392 ],
393 "layerSnapshot": {
394 "key": "checkout-flow",
395 "name": "Checkout Flow",
396 "reservationPercent": 10,
397 "otherReservationPercent": 70
398 },
399 "covariateInfo": {
400 "id": "74a49a2b-4834-4246-917e-5d85231d8c2a",
401 "fileName": "covariate.csv",
402 "createdAt": 1654104600000
403 },
404 "secondaryMetrics": [
405 {
406 "key": "metric-key-123abc",
407 "name": "Example metric",
408 "kind": "custom",
409 "_links": {
410 "self": {
411 "href": "/api/v2/metrics/my-project/my-metric",
412 "type": "application/json"
413 }
414 },
415 "_versionId": "version-id-123abc",
416 "isNumeric": true,
417 "unitAggregationType": "sum",
418 "eventKey": "event-key-123abc"
419 }
420 ]
421 },
422 "previousIterations": [
423 {
424 "hypothesis": "The new button placement will increase conversion",
425 "status": "running",
426 "createdAt": 1654104600000,
427 "_id": "12ab3c45de678910fgh12345",
428 "startedAt": 1655314200000,
429 "endedAt": 1656610200000,
430 "winningTreatmentId": "122c9f3e-da26-4321-ba68-e0fc02eced58",
431 "winningReason": "We ran this iteration for two weeks and the winning variation was clear",
432 "canReshuffleTraffic": true,
433 "flags": {},
434 "reallocationFrequencyMillis": 3600000,
435 "version": 0,
436 "primaryMetric": {
437 "key": "metric-key-123abc",
438 "_versionId": "string",
439 "name": "My metric",
440 "kind": "custom",
441 "_links": {
442 "self": {
443 "href": "/api/v2/metrics/my-project/my-metric",
444 "type": "application/json"
445 }
446 },
447 "isGroup": true,
448 "isNumeric": true,
449 "eventKey": "event-key-123abc",
450 "metrics": [
451 {
452 "key": "metric-key-123abc",
453 "name": "Example metric",
454 "kind": "custom",
455 "_links": {
456 "self": {
457 "href": "/api/v2/metrics/my-project/my-metric",
458 "type": "application/json"
459 }
460 },
461 "_versionId": "version-id-123abc",
462 "isNumeric": true,
463 "unitAggregationType": "sum",
464 "eventKey": "event-key-123abc",
465 "nameInGroup": "Step 1",
466 "analysisUnits": [
467 "user"
468 ],
469 "randomizationUnits": [
470 "user"
471 ]
472 }
473 ]
474 },
475 "primarySingleMetric": {
476 "key": "metric-key-123abc",
477 "name": "Example metric",
478 "kind": "custom",
479 "_links": {
480 "self": {
481 "href": "/api/v2/metrics/my-project/my-metric",
482 "type": "application/json"
483 }
484 },
485 "_versionId": "version-id-123abc",
486 "isNumeric": true,
487 "unitAggregationType": "sum",
488 "eventKey": "event-key-123abc"
489 },
490 "primaryFunnel": {
491 "key": "metric-group-key-123abc",
492 "name": "My metric group",
493 "kind": "funnel",
494 "_links": {
495 "parent": {
496 "href": "/api/v2/projects/my-project",
497 "type": "application/json"
498 },
499 "self": {
500 "href": "/api/v2/projects/my-project/metric-groups/my-metric-group",
501 "type": "application/json"
502 }
503 },
504 "metrics": [
505 {
506 "key": "metric-key-123abc",
507 "name": "Example metric",
508 "kind": "custom",
509 "_links": {
510 "self": {
511 "href": "/api/v2/metrics/my-project/my-metric",
512 "type": "application/json"
513 }
514 },
515 "_versionId": "version-id-123abc",
516 "isNumeric": true,
517 "unitAggregationType": "sum",
518 "eventKey": "event-key-123abc",
519 "nameInGroup": "Step 1",
520 "analysisUnits": [
521 "user"
522 ],
523 "randomizationUnits": [
524 "user"
525 ]
526 }
527 ]
528 },
529 "randomizationUnit": "user",
530 "attributes": [
531 "string"
532 ],
533 "treatments": [
534 {
535 "name": "Treatment 1",
536 "allocationPercent": "10",
537 "_id": "122c9f3e-da26-4321-ba68-e0fc02eced58",
538 "baseline": true,
539 "parameters": [
540 {
541 "variationId": "string",
542 "flagKey": "string"
543 }
544 ]
545 }
546 ],
547 "metrics": [
548 {
549 "key": "metric-key-123abc",
550 "_versionId": "string",
551 "name": "My metric",
552 "kind": "custom",
553 "_links": {
554 "self": {
555 "href": "/api/v2/metrics/my-project/my-metric",
556 "type": "application/json"
557 }
558 },
559 "isGroup": true,
560 "isNumeric": true,
561 "eventKey": "event-key-123abc",
562 "metrics": [
563 {
564 "key": "metric-key-123abc",
565 "name": "Example metric",
566 "kind": "custom",
567 "_links": {
568 "self": {
569 "href": "/api/v2/metrics/my-project/my-metric",
570 "type": "application/json"
571 }
572 },
573 "_versionId": "version-id-123abc",
574 "isNumeric": true,
575 "unitAggregationType": "sum",
576 "eventKey": "event-key-123abc",
577 "nameInGroup": "Step 1",
578 "analysisUnits": [
579 "user"
580 ],
581 "randomizationUnits": [
582 "user"
583 ]
584 }
585 ]
586 }
587 ],
588 "layerSnapshot": {
589 "key": "checkout-flow",
590 "name": "Checkout Flow",
591 "reservationPercent": 10,
592 "otherReservationPercent": 70
593 },
594 "covariateInfo": {
595 "id": "74a49a2b-4834-4246-917e-5d85231d8c2a",
596 "fileName": "covariate.csv",
597 "createdAt": 1654104600000
598 },
599 "secondaryMetrics": [
600 {
601 "key": "metric-key-123abc",
602 "name": "Example metric",
603 "kind": "custom",
604 "_links": {
605 "self": {
606 "href": "/api/v2/metrics/my-project/my-metric",
607 "type": "application/json"
608 }
609 },
610 "_versionId": "version-id-123abc",
611 "isNumeric": true,
612 "unitAggregationType": "sum",
613 "eventKey": "event-key-123abc"
614 }
615 ]
616 }
617 ],
618 "analysisConfig": {
619 "bayesianThreshold": "string",
620 "significanceThreshold": "string",
621 "testDirection": "string",
622 "multipleComparisonCorrectionMethod": "bonferroni",
623 "multipleComparisonCorrectionScope": "variations",
624 "sequentialTestingEnabled": true
625 },
626 "mutableFieldsByStatus": {
627 "not_started": {},
628 "running": {},
629 "stopped": {}
630 }
631 },
632 "description": "string",
633 "experiments": [
634 {
635 "key": "string",
636 "name": "string",
637 "environment": "string"
638 }
639 ]
640}
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Patch holdout

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Built with

Authentication

Authorizationstring
API Key authentication via header

Path parameters

projectKeystringRequiredformat: "string"
The project key
environmentKeystringRequiredformat: "string"
The environment key
holdoutIdstringRequiredformat: "string"
The holdout experiment ID

Response

Holdout response
_idstring
statusenum
Allowed values:
holdoutAmountstring
The percentage of traffic allocated to this holdout.
createdAtlong
updatedAtlong
baseExperimentobject
descriptionstring
experimentslist of objects

Errors

400
Bad Request Error
401
Unauthorized Error
403
Forbidden Error
404
Not Found Error
429
Too Many Requests Error