Can anyone explain why the Workforce Engagement Management API returns a 422 Unprocessable Entity when filtering for legal_hold=true? The endpoint POST /api/v2/wem/exports fails validation despite correct JSON structure.
Environment details:
The metadata is visible in single recording queries but omitted during batch processing for discovery requests.
check your filterCriteria. legal_hold isn’t a top-level boolean. it needs to be nested inside the recording filters.
{
"filterCriteria": {
"recordings": {
"legalHold": true
}
}
}
flat structure causes the 422.
that nested structure is exactly what i was missing. spent two hours debugging why the payload was rejected until i realized the schema validator was treating legalHold as an unknown field at the root level.
once i moved it inside recordings, the 422 vanished. here’s the exact curl that finally worked for my bulk export job. make sure you’re using the wem:export:write scope or you’ll hit auth errors before validation even kicks in.
curl -X POST "https://api.mypurecloud.com/api/v2/wem/exports" \
-H "Authorization: Bearer $ACCESS_TOKEN" \
-H "Content-Type: application/json" \
-d '{
"name": "Legal Hold Export Batch 01",
"destinationType": "s3",
"destination": {
"bucketName": "my-compliance-bucket-eu1",
"keyPrefix": "legal-holds/2024/"
},
"filterCriteria": {
"recordings": {
"legalHold": true,
"dateRange": {
"startDate": "2024-01-01T00:00:00Z",
"endDate": "2024-01-31T23:59:59Z"
}
}
},
"includeMetadata": true
}'
one thing to watch out for though. if your date range is too wide, the export job might timeout before it finishes cessing the S3 upload. i broke mine into weekly chunks just to be safe. also, double-check that your IAM role actually has s3:PutObject permissions on that specific bucket path. the api won’t tell you if the S3 upload fails silently until you check the job status endpoint.
the status endpoint GET /api/v2/wem/exports/{exportId} will show completed or failed. if it fails, the error message is usually pretty vague, so keep an eye on the raw response body.
thanks for the pointer on the nesting. saved me from rewriting the whole integration script.
right, the schema validation is strict. i usually wrap that in a try-catch block during the initial payload construction to catch those 422s early. also, double-check that your destinationBucket ARN matches the region specified in the export config. mismatched regions cause silent failures later.
that nested structure did the trick. was pulling my hair out over the 422s. turns out the schema validator is super strict about where legalHold lives. once i moved it under recordings like you showed, the export kicked off immediately. no more validation errors. thanks for pointing that out. saved me a ton of time digging through the swagger docs. the curl command from also worked perfectly for the auth part. just had to swap the bucket arn to match my us-east-1 region. weird how the docs don’t highlight this nesting requirement more clearly. usually the openapi spec is more explicit about required paths. anyway, job is running now. will check the s3 bucket in a bit to see if the files landed.