> ## Documentation Index > Fetch the complete documentation index at: https://www.adaline.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # Update Dataset Row > Patch cell values for a single row. ## OpenAPI ````yaml PATCH /datasets/{datasetId}/rows/{rowId} openapi: 3.1.1 info: title: Adaline API version: 2.0.0 description: >- Public API for managing Adaline projects, prompts, datasets, evaluators, evaluations, providers, models, and deployments. Generated from Zod schemas — this spec is the single source of truth. servers: - url: https://api.adaline.ai/v2 description: Production API security: [] tags: - name: datasets description: Manage prompt datasets and their columns and rows. - name: projects description: List and manage Adaline projects. - name: providers description: List configured LLM providers and their settings. - name: models description: List available models across providers. - name: prompts description: Create and manage prompts and their drafts. - name: evaluators description: Configure evaluators attached to a prompt. - name: evaluations description: Run and inspect evaluation results. - name: deployments description: Retrieve deployed prompt snapshots. - name: logs description: Ingest execution traces and spans for observability. paths: /datasets/{datasetId}/rows/{rowId}: patch: tags: - datasets summary: Update a dataset row description: Patch cell values for a single row. operationId: patchDatasetRow parameters: - schema: $ref: '#/components/schemas/BaseEntityId' required: true name: datasetId in: path - schema: $ref: '#/components/schemas/BaseEntityId' required: true name: rowId in: path - schema: type: string enum: - columnId - columnName required: false name: valuesBy in: query requestBody: content: application/json: schema: $ref: '#/components/schemas/DatasetRowInput' responses: '200': description: Row updated. content: application/json: schema: $ref: '#/components/schemas/DatasetRow' headers: X-Request-Id: description: >- Unique identifier for the request. Returned in every response. Send a custom value to correlate requests, or omit to receive a generated UUID. schema: type: string format: uuid '400': description: Bad request — validation error. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '401': description: Unauthorized — invalid or missing API key. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '403': description: Forbidden — API key lacks access. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '404': description: Not found. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '500': description: Internal server error. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' security: - bearerAuth: [] components: schemas: BaseEntityId: title: Base Entity ID type: string description: Unique identifier for an entity, between 20 and 80 characters. minLength: 20 maxLength: 80 DatasetRowInput: title: Dataset Row Input type: object description: >- Cell values for creating or updating a single dataset row. Keys in `values` are column IDs (or column names when `valuesBy=columnName`). properties: values: type: object additionalProperties: $ref: '#/components/schemas/DatasetCellInput' DatasetRow: title: Dataset Row type: object description: >- A single row of data in a dataset. Each key in `values` is a column ID (or column name when `keyBy=name`), and each value is a typed cell with its modality. properties: id: $ref: '#/components/schemas/BaseEntityId' values: type: object description: Cell values keyed by column identifier. additionalProperties: $ref: '#/components/schemas/DatasetCellResponse' createdAt: $ref: '#/components/schemas/UnixTimestamp' updatedAt: $ref: '#/components/schemas/UnixTimestamp' required: - id - values - createdAt - updatedAt ErrorResponse: title: Error Response type: object description: >- Standard error response envelope. Permits backend-specific sibling fields (e.g. Zod issue details) alongside the typed `error`. properties: error: description: >- Error details — typed envelope, or a raw string reason when the backend's validator produces a short summary (e.g. Zod validation fallback). oneOf: - type: string - type: object properties: code: type: string description: Machine-readable error code. enum: - VALIDATION_ERROR - INVALID_CURSOR - AUTHENTICATION_REQUIRED - FORBIDDEN - RESOURCE_NOT_FOUND - CONFLICT - PAYLOAD_TOO_LARGE - RATE_LIMITED - INTERNAL_ERROR message: type: string description: Human-readable error message. details: type: array description: Optional field-level validation details. items: type: object properties: field: type: string issue: type: string required: - field - issue required: - code - message additionalProperties: true required: - error additionalProperties: true DatasetCellInput: title: Dataset Cell Input type: object description: >- A cell value for creating or updating a row. The server infers the modality from the column type. properties: value: description: >- The cell value. Shape depends on the target column type: plain string for text columns, a reference object for image/PDF columns, etc. DatasetCellResponse: title: Dataset Cell Response description: >- A cell value returned by the API. Discriminated by `modality` — the shape of `value` depends on the modality. oneOf: - type: object title: Text Cell description: A plain text cell value. properties: modality: type: string enum: - text value: type: - string - 'null' required: - modality - value - type: object title: Image Cell description: >- An image cell — value is a URL reference, inline base64 data, or null. properties: modality: type: string enum: - image value: oneOf: - $ref: '#/components/schemas/DatasetCellUrlReference' - $ref: '#/components/schemas/DatasetCellBase64Image' - type: 'null' required: - modality - value - type: object title: PDF Cell description: >- A PDF cell — value is a URL reference (possibly with preview), inline base64, or null. properties: modality: type: string enum: - pdf value: oneOf: - $ref: '#/components/schemas/DatasetCellUrlReference' - $ref: '#/components/schemas/DatasetCellBase64Pdf' - type: 'null' required: - modality - value - type: object title: API Cell description: >- An API-driven cell — value contains the endpoint config (url + method), or null if unconfigured. properties: modality: type: string enum: - api value: oneOf: - $ref: '#/components/schemas/DatasetCellApiConfig' - type: 'null' required: - modality - value - type: object title: Prompt Cell description: >- A prompt-driven cell — value contains the prompt reference, or null if unconfigured. properties: modality: type: string enum: - prompt value: oneOf: - $ref: '#/components/schemas/DatasetCellPromptRef' - type: 'null' required: - modality - value - type: object title: Error Cell description: An error cell — value may contain error details or be null. properties: modality: type: string enum: - error value: {} required: - modality - value discriminator: propertyName: modality UnixTimestamp: title: Unix Timestamp type: integer format: int64 description: Unix timestamp in milliseconds. minimum: 1672511400000 maximum: 33229420200000 DatasetCellUrlReference: title: Dataset Cell URL Reference type: object description: A reference to a file accessible via URL. properties: type: type: string enum: - url uri: type: string format: uri preview: type: string description: Optional base64-encoded preview (PDF only). required: - type - uri DatasetCellBase64Image: title: Dataset Cell Base64 Image type: object description: An inline base64-encoded image. properties: type: type: string enum: - base64 base64: type: string mediaType: type: string enum: - png - jpeg - webp - gif required: - type - base64 - mediaType DatasetCellBase64Pdf: title: Dataset Cell Base64 PDF type: object description: An inline base64-encoded PDF document. properties: type: type: string enum: - base64 base64: type: string required: - type - base64 DatasetCellApiConfig: title: Dataset Cell API Config type: object description: >- Configuration for an API-driven cell. Secret headers and request bodies are redacted. properties: url: type: string method: $ref: '#/components/schemas/ApiHttpMethod' required: - url - method DatasetCellPromptRef: title: Dataset Cell Prompt Reference type: object description: A reference to a prompt used by a prompt-driven cell. properties: promptId: $ref: '#/components/schemas/BaseEntityId' required: - promptId ApiHttpMethod: title: HTTP Method type: string enum: - GET - POST - PUT - PATCH - DELETE description: Standard HTTP request method. securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: API Key description: 'Workspace API key. Pass as `Authorization: Bearer `.' ````