Get next available route label ID

get

http://127.0.0.1:8080/routeLabels/nextId

Retrieves the next available unique identifier for creating a new route label. The endpoint scans existing labels and returns the first unused ID in the valid range (2-127), wrapping around if necessary.

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application/json

200Successfully retrieved next available label ID. The returned ID is guaranteed to be unused among existing labels.

400Maximum label capacity reached - all 127 label IDs are in use

401Unauthorized - Authentication required with READ or READ_WRITE permission

500Internal server error - Failed to read label configuration from database