> ## Documentation Index > Fetch the complete documentation index at: https://docs.edgeimpulse.com/llms.txt > Use this file to discover all available pages before exploring further. # Get processed sample (from features array) > Takes in a features array and runs it through the DSP block. This data should have the same frequency as set in the input block in your impulse. ## OpenAPI ````yaml /.assets/openapi.yaml post /api/{projectId}/dsp/{dspId}/run openapi: 3.0.0 info: title: Edge Impulse API version: 1.0.0 servers: - url: https://studio.edgeimpulse.com/v1 security: - ApiKeyAuthentication: [] - JWTAuthentication: [] - JWTHttpHeaderAuthentication: [] - OAuth2: [] paths: /api/{projectId}/dsp/{dspId}/run: post: tags: - DSP summary: Get processed sample (from features array) description: >- Takes in a features array and runs it through the DSP block. This data should have the same frequency as set in the input block in your impulse. operationId: runDspOnFeaturesArray parameters: - $ref: '#/components/parameters/ProjectIdParameter' - $ref: '#/components/parameters/DspIdParameter' requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/DspRunRequestWithFeatures' responses: '200': description: OK content: application/json: schema: $ref: '#/components/schemas/DspRunResponse' components: parameters: ProjectIdParameter: name: projectId in: path required: true description: Project ID schema: type: integer DspIdParameter: name: dspId in: path required: true description: DSP Block ID, use the impulse functions to retrieve the ID schema: type: integer schemas: DspRunRequestWithFeatures: type: object required: - features - params - drawGraphs - requestPerformance properties: features: type: array description: >- Array of features. If you have multiple axes the data should be interleaved (e.g. [ax0_val0, ax1_val0, ax2_val0, ax0_val1, ax1_val1, ax2_val1]). items: type: integer params: type: object description: DSP parameters with values example: scale-axes: '10' additionalProperties: type: string nullable: true drawGraphs: type: boolean description: Whether to generate graphs (will take longer) requestPerformance: type: boolean description: Whether to request performance info (will take longer unless cached) DspRunResponse: allOf: - $ref: '#/components/schemas/GenericApiResponse' - type: object required: - features - graphs properties: features: type: array description: >- Array of processed features. Laid out according to the names in 'labels' items: type: number graphs: type: array description: Graphs to plot to give an insight in how the DSP process ran items: $ref: '#/components/schemas/DspRunGraph' labels: type: array description: Labels of the feature axes items: type: string state_string: type: string description: String representation of the DSP state returned performance: $ref: '#/components/schemas/DspPerformance' GenericApiResponse: type: object required: - success properties: success: type: boolean description: Whether the operation succeeded error: type: string description: Optional error description (set if 'success' was false) DspRunGraph: type: object required: - name - type properties: name: type: string description: Name of the graph example: Frequency domain image: type: string description: Base64 encoded image, only present if type is 'image' imageMimeType: type: string description: >- Mime type of the Base64 encoded image, only present if type is 'image' X: type: object description: >- Values on the x-axis per plot. Key is the name of the raw feature. Present if type is 'logarithmic' or 'linear'. example: accX: - 3 - 5 - 7 accY: - 2 - 1 - 5 additionalProperties: type: array items: type: number 'y': type: array description: Values of the y-axis. Present if type is 'logarithmic' or 'linear'. example: - 0 - 0.5 - 1 items: type: number suggestedXMin: type: number description: Suggested minimum value of x-axis suggestedXMax: type: number description: Suggested maxium value of x-axis suggestedYMin: type: number description: Suggested minimum value of y-axis suggestedYMax: type: number description: Suggested maximum value of y-axis type: type: string description: Type of graph (either `logarithmic`, `linear` or `image`) lineWidth: type: number description: >- Width of the graph line (if type is `logarithmic` or `linear`). Default 3. smoothing: type: boolean description: Whether to apply smoothing to the graph. axisLabels: type: object description: Labels for the graph x and y axes. required: - X - 'y' properties: X: type: string 'y': type: string highlights: type: object description: Indices of points to highlight, per axis. additionalProperties: type: array items: type: number DspPerformance: type: object required: - latency - ram properties: latency: type: integer ram: type: integer customDspString: type: string description: >- If the project latencyDevice has custom DSP hardware, this value contains a device specific latency metric (eg. cycles) securitySchemes: ApiKeyAuthentication: type: apiKey in: header name: x-api-key JWTAuthentication: type: apiKey in: cookie name: jwt JWTHttpHeaderAuthentication: type: apiKey in: header name: x-jwt-token OAuth2: type: oauth2 flows: authorizationCode: authorizationUrl: /v1/oauth/authorize tokenUrl: /v1/oauth/token scopes: openid: Access to basic profile information email: Access to email address profile: Access to full profile information implicit: authorizationUrl: /v1/oauth/authorize scopes: openid: Access to basic profile information email: Access to email address profile: Access to full profile information password: tokenUrl: /v1/oauth/token scopes: openid: Access to basic profile information email: Access to email address profile: Access to full profile information clientCredentials: tokenUrl: /v1/oauth/token scopes: openid: Access to basic profile information email: Access to email address profile: Access to full profile information ````