---
title: "Changes to Get a flag"
method: GET
path: "/v1/projects/{projectIdOrName}/feature-flags/flags/{flagIdOrSlug}"
---

# Changes to Get a flag

`GET /v1/projects/{projectIdOrName}/feature-flags/flags/{flagIdOrSlug}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 6 of 40 revisions.

- **2026-08-22** `3157f7f3ef33` — 2 breaking
- **2026-08-20** `b4b4b597ab64` — 2 info
- **2026-08-19** `6b6e0450635c` — 1 warning
- **2026-08-18** `4a14567fe836` — 6 breaking, 16 warning, 7 info
- **2026-07-26** `01c71864fa50` — 1 info
- **2026-07-21** `2ae10ee9d21c` — 1 info

## Changes

- **2026-08-22** `3157f7f3ef33` — 2 breaking
  - added `subschema #4` to the `environments/additionalProperties/fallthrough` response property `oneOf` list for the response status `200`
  - added `subschema #4` to the `environments/additionalProperties/rules/items/outcome` response property `oneOf` list for the response status `200`
- **2026-08-20** `b4b4b597ab64` — 2 info
  - removed `subschema #4` from the `environments/additionalProperties/fallthrough` response property `oneOf` list for the response status `200`
  - removed `subschema #4` from the `environments/additionalProperties/rules/items/outcome` response property `oneOf` list for the response status `200`
- **2026-08-19** `6b6e0450635c` — 1 warning
  - removed the optional property `experiment` from the response with the `200` status
- **2026-08-18** `4a14567fe836` — 6 breaking, 16 warning, 7 info
  - the response property `experiment` became nullable for the status `200`
  - added `subschema #4` to the `environments/additionalProperties/fallthrough` response property `oneOf` list for the response status `200`
  - added `subschema #4` to the `environments/additionalProperties/rules/items/outcome` response property `oneOf` list for the response status `200`
  - removed the required property `experiment/allocationUnit` from the response with the `200` status
  - removed the required property `experiment/primaryMetrics` from the response with the `200` status
  - removed the required property `experiment/status` from the response with the `200` status
  - removed the optional property `experiment/allocationPercent` from the response with the `200` status
  - removed the optional property `experiment/controlVariantId` from the response with the `200` status
  - removed the optional property `experiment/decision` from the response with the `200` status
  - removed the optional property `experiment/decisionReason` from the response with the `200` status
  - removed the optional property `experiment/device` from the response with the `200` status
  - removed the optional property `experiment/duration` from the response with the `200` status
  - removed the optional property `experiment/durationUnit` from the response with the `200` status
  - removed the optional property `experiment/endedAt` from the response with the `200` status
  - removed the optional property `experiment/guardrailMetrics` from the response with the `200` status
  - removed the optional property `experiment/hypothesis` from the response with the `200` status
  - removed the optional property `experiment/layer` from the response with the `200` status
  - removed the optional property `experiment/name` from the response with the `200` status
  - removed the optional property `experiment/numVariants` from the response with the `200` status
  - removed the optional property `experiment/startedAt` from the response with the `200` status
  - removed the optional property `experiment/stickyRequirement` from the response with the `200` status
  - removed the optional property `experiment/surfaceArea` from the response with the `200` status
  - added the optional property `experiment/rampId` to the response with the `200` status
  - added the optional property `experiment/rampPercentage` to the response with the `200` status
  - the response property `experiment/id` became required for the status `200`
  - added the required property `experiment/base` to the response with the `200` status
  - added the required property `experiment/defaultVariantId` to the response with the `200` status
  - added the required property `experiment/exposureLogging` to the response with the `200` status
  - added the required property `experiment/weights` to the response with the `200` status
- **2026-07-26** `01c71864fa50` — 1 info
  - added the optional property `updatedBy` to the response with the `200` status
- **2026-07-21** `2ae10ee9d21c` — 1 info
  - added the non-success response with the status `410`

---

[Operation](https://skmtc.dev/vercel/apis/api/docs/v1/projects/:projectIdOrName/feature-flags/flags/:flagIdOrSlug/get.md) · [API](https://skmtc.dev/vercel/apis/api.md) · [Page](https://skmtc.dev/vercel/apis/api/changes/v1/projects/:projectIdOrName/feature-flags/flags/:flagIdOrSlug/get)