Breaking
Response property became nullable: experiment
openapi:PATCH /v1/projects/{}/feature-flags/flags/{}::response.200.application.json.oneOf[subschema-#1].experiment- Product
- Vercel API
- Source
- OpenAPI URL
- Change kind
- Response Property Became Nullable
- Detected
- Last updated
Deterministic evidence
Before / after
Extracted from Vercel's published contract. Shows the changed property. Open the source ↗
{
{
"nullable": true,
"properties": {
"properties": {
"allocationPercent": {
"base": {
"type": "number"
"properties": {
},
"attribute": {
"allocationUnit": {
"type": "string"
"enum": [
},
"cookieId",
"kind": {
"userId",
"type": "string"
"visitorId"
},
"type": {
"enum": [
"entity"
],
"type": "string"
}
},
"required": [
"attribute",
"kind",
"type"
],
],
"type": "string"
"type": "object"
},
},
"controlVariantId": {
"defaultVariantId": {
"type": "string"
"type": "string"
},
},
"decision": {
"exposureLogging": {
"type": "string"
},
"decisionReason": {
"type": "string"
},
"device": {
"enum": [
"enum": [
"android",
false,
"desktop",
true
"ios",
"mweb"
],
],
"type": "string"
"type": "boolean"
},
},
"duration": {
"type": "number"
},
"durationUnit": {
"enum": [
"days",
"exposures"
],
"type": "string"
},
"endedAt": {
"type": "number"
},
"guardrailMetrics": {
"items": {
"properties": {
"directionality": {
"enum": [
"decreaseIsGood",
"increaseIsGood"
],
"type": "string"
},
"metricFormula": {
"type": "string"
},
"metricType": {
"enum": [
"count",
"currency",
"percentage"
],
"type": "string"
},
"metricUnit": {
"enum": [
"session",
"user",
"visitor"
],
"type": "string"
},
"name": {
"type": "string"
}
},
"required": [
"directionality",
"metricType",
"metricUnit",
"name"
],
"type": "object"
},
"type": "array"
},
"hypothesis": {
"type": "string"
},
"id": {
"id": {
"type": "string"
"type": "string"
},
},
"layer": {
"rampId": {
"type": "string"
"type": "string"
},
},
"name": {
"rampPercentage": {
"type": "string"
},
"numVariants": {
"type": "number"
"type": "number"
},
},
"primaryMetrics": {
"weights": {
"items": {
"additionalProperties": {
"properties": {
"type": "number"
"directionality": {
"enum": [
"decreaseIsGood",
"increaseIsGood"
],
"type": "string"
},
"metricFormula": {
"type": "string"
},
"metricType": {
"enum": [
"count",
"currency",
"percentage"
],
"type": "string"
},
"metricUnit": {
"enum": [
"session",
"user",
"visitor"
],
"type": "string"
},
"name": {
"type": "string"
}
},
"required": [
"directionality",
"metricType",
"metricUnit",
"name"
],
"type": "object"
},
},
"type": "array"
"type": "object"
},
"startedAt": {
"type": "number"
},
"status": {
"enum": [
"closed",
"draft",
"paused",
"running"
],
"type": "string"
},
"stickyRequirement": {
"enum": [
false,
true
],
"type": "boolean"
},
"surfaceArea": {
"type": "string"
}
}
},
},
"required": [
"required": [
"allocationUnit",
"base",
"primaryMetrics",
"defaultVariantId",
"status"
"exposureLogging",
"id",
"weights"
],
],
"type": "object"
"type": "object"
}
}
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