Update flag default for project | LaunchDarkly

Update a flag default. Updating a flag default uses a JSON patch or JSON merge patch representation of the desired changes. To learn more, read Updates.

Update a flag default. Updating a flag default uses a [JSON patch](https://datatracker.ietf.org/doc/html/rfc6902) or [JSON merge patch](https://datatracker.ietf.org/doc/html/rfc7386) representation of the desired changes. To learn more, read [Updates](https://launchdarkly.com/docs/api#updates).

Authentication

Authorizationstring

API Key authentication via header

Path parameters

projectKeystringRequiredformat: "string"

The project key

Request

This endpoint expects a list of objects.

Response

Flag default response

tagslist of strings

A list of default tags for each flag

temporaryboolean

Whether the flag should be temporary by default

booleanDefaultsobject

defaultClientSideAvailabilityobject

Which client-side SDK types can use this flag by default.

_linksmap from strings to objects

The location and content type of related resources

Errors

400

Bad Request Error

401

Unauthorized Error

403

Forbidden Error

404

Not Found Error

409

Conflict Error

429

Too Many Requests Error

$	curl -X PATCH https://app.launchdarkly.com/api/v2/projects/projectKey/flag-defaults \
>	-H "Authorization: <apiKey>" \
>	-H "Content-Type: application/json" \
>	-d '[
>	{
>	"op": "replace",
>	"path": "/exampleField"
>	}
>	]'

1	{
2	"tags": [
3	"tag-1",
4	"tag-2"
5	],
6	"temporary": true,
7	"booleanDefaults": {
8	"trueDisplayName": "True",
9	"falseDisplayName": "False",
10	"trueDescription": "serve true",
11	"falseDescription": "serve false",
12	"onVariation": 0,
13	"offVariation": 1
14	},
15	"defaultClientSideAvailability": {
16	"usingMobileKey": true,
17	"usingEnvironmentId": true
18	},
19	"_links": {}
20	}