> ## Documentation Index > Fetch the complete documentation index at: https://docs.tastelabs.com/llms.txt > Use this file to discover all available pages before exploring further. # Create submission > Creates an extraction job for a single URL. The job runs asynchronously: poll `GET /submissions/{id}/result` until the status is `completed` or `failed`. Set the `map` query parameter to `true` to run map-mode discovery, which crawls the site and submits multiple URLs (up to `max_urls`). ## OpenAPI ````yaml api-reference/openapi.json POST /design/submissions openapi: 3.1.0 info: title: Taste Engine Design API version: 1.0.0 description: >- Public REST API for the Taste Engine. Submit a URL, extract a structured design system from any website, search the brand corpus by aesthetic, and ground prompts in real brand profiles. All requests are authenticated with an API key sent in the `X-API-Key` header. Create one directly in the Engine dashboard at https://engine.tastelabs.com/app/api-keys. contact: name: Taste Engine Support email: support@thetaste.ai servers: - url: https://api.tastelabs.com description: Production security: - ApiKeyAuth: [] tags: - name: Account description: Identity of the authenticated API key holder. - name: Submissions description: >- Create and track extraction jobs, then retrieve the resulting design system. - name: Prompts description: Rewrite prompts grounded in an extracted brand profile. - name: Search description: >- Find brands in the curated corpus by describing an aesthetic, or by similarity to one of your own extractions. - name: Brand adherence description: >- Judge how well a page adheres to a reference site's brand: submit a pair of URLs, poll the job, then read the verdict. paths: /design/submissions: post: tags: - Submissions summary: Create submission description: >- Creates an extraction job for a single URL. The job runs asynchronously: poll `GET /submissions/{id}/result` until the status is `completed` or `failed`. Set the `map` query parameter to `true` to run map-mode discovery, which crawls the site and submits multiple URLs (up to `max_urls`). operationId: createSubmission parameters: - name: map in: query required: false description: >- When `true`, discover and submit multiple URLs from the site instead of just the one provided. schema: type: boolean default: false - name: max_urls in: query required: false description: >- Maximum number of URLs to discover in map mode. The server clamps this to 200. schema: type: integer minimum: 1 maximum: 200 requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/SubmissionCreate' example: url: https://stripe.com responses: '202': description: The submission was accepted and queued for processing. content: application/json: schema: $ref: '#/components/schemas/SubmissionAccepted' example: submission_id: sub_2f9a1c7b status: accepted source_url: https://stripe.com accepted_at: '2026-06-10T12:00:00Z' cache_hit: false '401': $ref: '#/components/responses/Unauthorized' '402': $ref: '#/components/responses/InsufficientCredits' '403': $ref: '#/components/responses/Forbidden' '422': $ref: '#/components/responses/ValidationError' '500': $ref: '#/components/responses/InternalError' components: schemas: SubmissionCreate: type: object properties: url: type: string format: uri description: The URL to extract a design system from. force: type: boolean default: false description: Re-run extraction even if a cached result exists. enable_deep_analysis: type: boolean default: false description: Run additional, slower analysis steps. required: - url SubmissionAccepted: type: object properties: submission_id: type: string status: type: string enum: - accepted source_url: type: string format: uri accepted_at: type: string format: date-time required: - submission_id - status - source_url - accepted_at Error: type: object description: >- Standard error envelope for non-2xx responses: the machine-readable `error` code and the human-readable `message` are nested under `detail`. Validation errors (`422`) and search failures (`502`, `503`) shape `detail` differently; see those responses. properties: detail: type: object properties: error: type: string description: Machine-readable error code. examples: - UNAUTHORIZED - FORBIDDEN - NOT_FOUND - NOT_READY message: type: string description: Human-readable explanation of the error. required: - error - message additionalProperties: true required: - detail responses: Unauthorized: description: The API key is missing, invalid, or expired. content: application/json: schema: $ref: '#/components/schemas/Error' example: detail: error: UNAUTHORIZED message: Bearer token or X-API-Key required InsufficientCredits: description: >- The account doesn't have enough credits to run the request. Only occurs when credit metering is enabled. content: application/json: schema: type: object required: - detail properties: detail: type: object required: - error - message properties: error: type: string examples: - INSUFFICIENT_CREDITS message: type: string balance: type: integer description: The account's current credit balance. required: type: integer description: Credits required to run this request. example: detail: error: INSUFFICIENT_CREDITS message: Not enough credits for this request. balance: 0 required: 1 Forbidden: description: The API key is valid but is not allowed to call this endpoint. content: application/json: schema: $ref: '#/components/schemas/Error' example: detail: error: FORBIDDEN message: This key is not allowed to call this endpoint. ValidationError: description: >- The request failed validation. `detail` is a list of issues, each naming the offending field in `loc`. content: application/json: schema: type: object properties: detail: type: array items: type: object properties: loc: type: array items: {} msg: type: string type: type: string example: detail: - loc: - body - url msg: Field required type: missing InternalError: description: An unexpected server error occurred. The body is plain text. content: text/plain: example: Internal Server Error securitySchemes: ApiKeyAuth: type: apiKey in: header name: X-API-Key description: >- API key issued by the Taste Engine. Create one in the dashboard at https://engine.tastelabs.com/app/api-keys. ````