> ## Documentation Index > Fetch the complete documentation index at: https://docs.solvice.io/llms.txt > Use this file to discover all available pages before exploring further. # Explanation > Contains the explanation, once solved. ## OpenAPI ````yaml vrp GET /v2/vrp/jobs/{id}/explanation openapi: 3.1.0 info: description: |2- Welcome to the Solvice API! You can use our API to access Solvice API endpoints, which can get information on your solved jobs, their statuses and of course post new solve jobs. title: VRP API version: '2.0' servers: - url: https://api.solvice.io description: Production API security: - apikey: [] tags: - name: VRP API description: VRP API paths: /v2/vrp/jobs/{id}/explanation: get: tags: - Info summary: Explanation description: Contains the explanation, once solved. operationId: getVRPExplanation parameters: - name: id in: path required: true schema: type: string responses: '200': description: Status content: application/json: schema: $ref: '#/components/schemas/RoutingExplanation' '400': description: Bad request content: application/json: schema: $ref: '#/components/schemas/ErrorMessage' '427': description: Too many requests. content: application/json: schema: $ref: '#/components/schemas/ErrorMessage' '500': description: Internal error content: application/json: schema: $ref: '#/components/schemas/ErrorMessage' components: schemas: RoutingExplanation: type: object required: - score examples: - score: hard: -2000 soft: -15000 feasible: false conflicts: - constraint: TIME_WINDOW_CONFLICT score: '-1000' job: Job-1 resource: vehicle-1 - constraint: TAG_HARD score: '-1000' job: Job-2 resource: vehicle-1 tag: electrical unresolved: - constraint: TRAVEL_TIME score: '-15000' alternatives: Job-1: - job: Job-1 resource: vehicle-2 suggestedArrival: '2023-01-13T09:30:00Z' latestArrival: '2023-01-13T10:00:00Z' executedAfter: Job-0 score: hard: 0 soft: -1500 feasible: true description: >- Explains the conflicts of a certain routing solution and the unresolved constraints. properties: score: $ref: '#/components/schemas/Score' type: object description: Score of the solution. conflicts: type: - array - 'null' - object required: - constraint - score examples: - constraint: TIME_WINDOW_CONFLICT score: '-1000' job: Job-1 resource: vehicle-1 items: $ref: '#/components/schemas/RoutingConflict' description: Conflicts in the solution properties: constraint: type: string description: Constraint type. score: type: string description: Score impact of this conflict. job: type: - string - 'null' description: Job id. resource: type: - string - 'null' description: Resource id. tag: type: - string - 'null' description: Tag id. relation: type: - string - 'null' unresolved: type: - array - 'null' - object required: - constraint - score examples: - constraint: TRAVEL_TIME score: '-1500' items: $ref: '#/components/schemas/Unresolved' description: Unresolved constraints in the solution properties: constraint: $ref: '#/components/schemas/OnrouteConstraint' type: string description: Constraint type. score: type: string description: Score impact of this conflict. alternatives: type: - object - 'null' examples: - Job-1: - job: Job-1 resource: vehicle-2 suggestedArrival: '2023-01-13T09:30:00Z' latestArrival: '2023-01-13T10:00:00Z' executedAfter: Job-0 score: hard: 0 soft: -1500 feasible: true additionalProperties: type: object description: >- When `options.explanation.enabled` is set to `true`, this field will contain the alternatives for the solution.The key is the job name and the value is the list of assignments. Each assignment contains the resource, the date, and the score. In this way, you can check the impact of the alternative on the score. ErrorMessage: type: object required: - message - status properties: message: type: string description: Message status: $ref: '#/components/schemas/Status' type: string description: HTTP status Score: type: object description: >- The score of a solution shows how good this solution is w.r.t all the constraints. All solvers try to maximize the score. properties: hardScore: type: - integer - 'null' format: int64 description: >- The score of the constraints that are hard. This should be 0 in order to be feasible. mediumScore: type: - integer - 'null' format: int64 description: The score of the constraints that are medium. softScore: type: - integer - 'null' format: int64 description: The score of the constraints that are soft. feasible: type: - boolean - 'null' RoutingConflict: type: object required: - constraint - score examples: - constraint: TIME_WINDOW_CONFLICT score: '-1000' job: Job-1 resource: vehicle-1 description: Conflicts in the solution properties: constraint: type: string description: Constraint type. score: type: string description: Score impact of this conflict. job: type: - string - 'null' description: Job id. resource: type: - string - 'null' description: Resource id. tag: type: - string - 'null' description: Tag id. relation: type: - string - 'null' Unresolved: type: object required: - constraint - score examples: - constraint: TRAVEL_TIME score: '-1500' description: Unresolved constraints in the solution properties: constraint: $ref: '#/components/schemas/OnrouteConstraint' type: string description: Constraint type. score: type: string description: Score impact of this conflict. OnrouteConstraint: type: string enum: - TRIP_CAPACITY - RESOURCE_CAPACITY - RESOURCE_CAPACITY2 - TRAVEL_TIME - TYPE_REQUIREMENT - TAG_SOFT - TAG_HARD - TYPE_REQUIREMENT_SOFT - END_LOCATION_TRAVEL_TIME - TIME_WINDOW_CONFLICT - SHIFT_END_CONFLICT - OVERTIME_END_CONFLICT - RESOURCE_USAGE - URGENCY - PREFERRED_RESOURCE_CONFLICT - ALLOWED_RESOURCES - DISALLOWED_RESOURCES - REGION_TIME - FAIR_WORK - UNSERVED_JOBS - RESOURCE_ACTIVATION - OPEN_DAYS - JOB_PRECEDENCE - JOB_DAY_INDEX - DATE_TIME_WINDOW_CONFLICT - DATE_TIME_WINDOW_CONFLICT_SOFT - LINKED_JOB_CONFLICT - PLANNED_RESOURCE - PLANNED_ARRIVAL - PLANNED_DATE - WORKING_TIME - HARD_JOBS - MAX_DRIVE_TIME - MAX_DRIVE_DISTANCE - MAX_DRIVE_TIME_JOB - FAIR_TOTAL_WORK - RESOURCE_PERIOD_MAX_SERVICE_TIME - RESOURCE_PERIOD_MAX_DRIVE_TIME - RESOURCE_PERIOD_MAX_WORK_TIME - RESOURCE_PERIOD_MIN_SERVICE_TIME - RESOURCE_PERIOD_MIN_DRIVE_TIME - RESOURCE_PERIOD_MIN_WORK_TIME - MINIMISE_TRIP_USAGE - DELIVERY_NOT_ON_SAME_VEHICLE - DELIVERY_BEFORE_PICKUP - SAME_TRIP - SEQUENCE - SAME_TIME - NEIGHBOR - DIRECT_SEQUENCE - SAME_RESOURCE - WAIT_TIME - DRIVE_TIME - HOURLY_COST - RANKING_SOFT - FAIR_COMPLEXITY_PER_TRIP - FAIR_COMPLEXITY_PER_RESOURCE - RESOURCE_PERIOD_MIN_COMPLEXITY - RESOURCE_PERIOD_MAX_COMPLEXITY - RESOURCE_COMPATIBILITY - LOAD_COMPATIBILITY - JOBTYPE_VIOLATION - GROUP_SEQUENCE - JOB_PROXIMITY - DEPOT_COST - DEPOT_CAPACITY - DEPOT_TIME_WINDOW examples: - TRAVEL_TIME description: Types of constraints that can be violated in a routing solution Status: type: string enum: - OK - CREATED - ACCEPTED - NO_CONTENT - RESET_CONTENT - PARTIAL_CONTENT - MULTIPLE_CHOICES - MOVED_PERMANENTLY - FOUND - SEE_OTHER - NOT_MODIFIED - USE_PROXY - TEMPORARY_REDIRECT - PERMANENT_REDIRECT - BAD_REQUEST - UNAUTHORIZED - PAYMENT_REQUIRED - FORBIDDEN - NOT_FOUND - METHOD_NOT_ALLOWED - NOT_ACCEPTABLE - PROXY_AUTHENTICATION_REQUIRED - REQUEST_TIMEOUT - CONFLICT - GONE - LENGTH_REQUIRED - PRECONDITION_FAILED - REQUEST_ENTITY_TOO_LARGE - REQUEST_URI_TOO_LONG - UNSUPPORTED_MEDIA_TYPE - REQUESTED_RANGE_NOT_SATISFIABLE - EXPECTATION_FAILED - PRECONDITION_REQUIRED - TOO_MANY_REQUESTS - REQUEST_HEADER_FIELDS_TOO_LARGE - UNAVAILABLE_FOR_LEGAL_REASONS - INTERNAL_SERVER_ERROR - NOT_IMPLEMENTED - BAD_GATEWAY - SERVICE_UNAVAILABLE - GATEWAY_TIMEOUT - HTTP_VERSION_NOT_SUPPORTED - NETWORK_AUTHENTICATION_REQUIRED securitySchemes: apikey: type: apiKey description: Api Key based authentication (apikey) name: Authorization in: header ````