---
title: "Classify sample with post-processing"
method: POST
path: "/api/{projectId}/post-processing/{postProcessingId}/samples/{sampleId}/classify"
tags: ["PostProcessing"]
---

# Classify sample with post-processing

`POST /api/{projectId}/post-processing/{postProcessingId}/samples/{sampleId}/classify`

## Request

- Base URL: `https://studio.edgeimpulse.com/v1`
- URL: `https://studio.edgeimpulse.com/v1/api/{projectId}/post-processing/{postProcessingId}/samples/{sampleId}/classify`
- Auth: one of:
  - API key in header `x-api-key`
  - API key in cookie `jwt`
  - API key in header `x-jwt-token`
  - OAuth 2
    - Authorization code: `/v1/oauth/authorize`
    - Client credentials
    - Implicit: `/v1/oauth/authorize`
    - Password
    - Token URL: `/v1/oauth/token`
- TypeScript: <https://skmtc.dev/edgeimpulse/apis/edge-impulse-api/docs/api/:projectId/post-processing/:postProcessingId/samples/:sampleId/classify/post.ts> (a function with typed inputs; its response is checked against the schema)

Classify a sample using post-processing parameters. Sample should be in the post-processing dataset.

## Path parameters

- `projectId` integer, required
- `postProcessingId` integer, required
- `sampleId` integer, required

## Request body

- PostProcessingFeaturesForSampleRequest
  - `config` PostProcessingConfigRequest, required
    - `enabled` boolean, required
    - `parameters` object, required
    - `type` 'object-tracking' | 'sort-object-tracking'
  - `variant` 'int8' | 'float32' | 'akida', required

## Response `200`

OK

- union
  - GetPostProcessingFeaturesForSampleResponse
    - `success` boolean, required: Whether the operation succeeded
    - `error` string: Optional error description (set if 'success' was false)
    - `results` object, required
      - `objectTracking` ObjectTrackingPostProcessingResult
        - `frames` object[], required
          - `frameIndex` integer, required
          - `objects` ObjectTrackingPostProcessingObject[], required
            - `label` string, required
            - `id` integer, required
            - `x` number, required
            - `y` number, required
            - `width` number, required
            - `height` number, required
        - `parameters` object, required
      - `objectDetection` ObjectDetectionPostProcessingResult
        - `frames` object[], required
          - `frameIndex` integer, required
          - `objects` ObjectDetectionPostProcessingObject[], required
            - `label` string, required
            - `x` number, required
            - `y` number, required
            - `width` number, required
            - `height` number, required
            - `score` number, required
  - StartJobResponse
    - `success` boolean, required: Whether the operation succeeded
    - `error` string: Optional error description (set if 'success' was false)
    - `id` integer, required: Job identifier. Status updates will include this identifier.

---

[API](https://skmtc.dev/edgeimpulse/apis/edge-impulse-api.md) - [All operations](https://skmtc.dev/edgeimpulse/apis/edge-impulse-api/llms.txt) - [OpenAPI document](https://skmtc.dev/edgeimpulse/apis/edge-impulse-api/revisions/e2a976d38427?raw)