> ## Documentation Index > Fetch the complete documentation index at: https://print.app/docs/llms.txt > Use this file to discover all available pages before exploring further. # Create a palette > Creates a palette of solid colours, each with an optional CMYK value and spot colour name for print. ## OpenAPI ````yaml openapi.json POST /v2/palettes openapi: 3.1.0 info: title: Print.App API version: 2.1.0 description: >- Server-to-server API for Print.App integrations: designs and their page content, folders, files, fonts, palettes, product assignments, projects and editor links. Authenticate every request with a secret key: `Authorization: Bearer sk_…`. Never call it from a browser. servers: - url: https://api.print.app description: Production security: - bearerAuth: [] tags: - name: Account description: The account a secret key belongs to. - name: Designs description: >- The designs (templates) your customers start from: create them at a size, manage their pages, and place text, images and shapes on them. - name: Design folders description: >- Folders that organise your designs. A design can sit in more than one folder. - name: Files description: >- Your own images and graphics, used in designs and offered to customers in the editor. - name: Graphic folders description: >- Folders of files, shown in the editor under Pictures, Backgrounds, Textures or Frames. - name: Fonts description: >- The fonts your designs and customers can use: the built-in set, imported Google fonts and fonts you upload. - name: Palettes description: Colour palettes offered in the editor. - name: Products description: Which designs open for each product (and variant) in your store. - name: Projects description: Your customers' saved designs. - name: Links description: Shareable editor links that open a design or project at create.print.app. paths: /v2/palettes: post: tags: - Palettes summary: Create a palette description: >- Creates a palette of solid colours, each with an optional CMYK value and spot colour name for print. operationId: createPalette parameters: - $ref: '#/components/parameters/IdempotencyKey' requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/PaletteCreate' example: title: Brand colors: - name: Navy hex: '#1f2a44' cmyk: 100,80,30,40 - name: Gold hex: '#c9a227' spot: PANTONE 7753 C responses: '201': description: Created. headers: x-request-id: $ref: '#/components/headers/RequestId' idempotent-replayed: $ref: '#/components/headers/IdempotentReplayed' content: application/json: schema: $ref: '#/components/schemas/Palette' example: object: palette id: folder:8a1d2c3b-4e5f-4a6b-8c7d-9e0f1a2b3c4d title: Brand colors: - name: Navy type: solid hex: '#1f2a44' cmyk: 100,80,30,40 spot: null builtIn: false created: '2026-10-27T10:00:00Z' modified: '2026-10-27T10:00:00Z' '400': description: >- A parameter or body field is malformed: `param` names it and `details` lists every problem found. headers: x-request-id: $ref: '#/components/headers/RequestId' content: application/json: schema: $ref: '#/components/schemas/Error' example: error: true code: invalid_request message: width is required. param: width requestId: FZn-uhymjoEEJow= '401': description: Missing, unknown, revoked or expired secret key. headers: x-request-id: $ref: '#/components/headers/RequestId' content: application/json: schema: $ref: '#/components/schemas/Error' example: error: true code: unauthorized message: >- Missing or invalid secret key. Send it as "Authorization: Bearer sk_…". requestId: FZn-uhymjoEEJow= '403': description: The account is suspended for an unpaid invoice. headers: x-request-id: $ref: '#/components/headers/RequestId' content: application/json: schema: $ref: '#/components/schemas/Error' example: error: true code: account_suspended message: >- This account is suspended. Settle the outstanding invoice in the Print.App dashboard. requestId: FZn-uhymjoEEJow= '415': description: The body is not JSON. headers: x-request-id: $ref: '#/components/headers/RequestId' content: application/json: schema: $ref: '#/components/schemas/Error' example: error: true code: unsupported_media_type message: >- Send the request body as JSON, with "Content-Type: application/json". requestId: FZn-uhymjoEEJow= '429': description: >- Rate limited by the API gateway. Back off and retry. This response comes from the gateway, so its body is `{ "message": "Too Many Requests" }`, not the standard error. content: application/json: schema: $ref: '#/components/schemas/GatewayError' example: message: Too Many Requests '500': description: >- Something failed on our side. Retry; quote the requestId to support if it persists. headers: x-request-id: $ref: '#/components/headers/RequestId' content: application/json: schema: $ref: '#/components/schemas/Error' example: error: true code: internal_error message: >- Something went wrong on our side. Retry the request; if it keeps failing, contact support with the requestId. requestId: FZn-uhymjoEEJow= components: parameters: IdempotencyKey: name: Idempotency-Key in: header required: false schema: type: string minLength: 1 maxLength: 255 description: >- Makes a retry safe: a second request with the same key and the same body gets the first response back (for 24 hours) instead of creating the resource again. Use a new key, such as a UUID, for every new request. schemas: PaletteCreate: title: PaletteCreate description: A new palette. type: object additionalProperties: false required: - title - colors properties: title: type: string minLength: 1 maxLength: 200 description: The palette's name. colors: type: array maxItems: 500 items: type: object additionalProperties: false required: - hex properties: name: type: string maxLength: 100 description: The colour's name, shown in the editor. hex: type: string format: color description: The screen colour, `#rrggbb`. cmyk: type: string pattern: ^\d{1,3},\d{1,3},\d{1,3},\d{1,3}$ description: >- The print colour as `c,m,y,k` percentages, for example `0,16,100,0`. spot: type: string maxLength: 100 description: A spot colour name for print, for example `PANTONE 186 C`. description: The colours, in order. examples: - title: Brand colors: - name: Navy hex: '#1f2a44' cmyk: 100,80,30,40 - name: Gold hex: '#c9a227' spot: PANTONE 7753 C Palette: title: Palette description: A colour palette. type: object required: - object - id - title - colors - builtIn - created - modified properties: object: type: string const: palette id: type: string title: type: - string - 'null' colors: type: array items: type: object required: - name - type - hex - cmyk - spot properties: name: type: - string - 'null' type: type: string enum: - solid - foil - gradient - texture hex: type: - string - 'null' description: '`#rrggbb` for solid colours.' cmyk: type: - string - 'null' spot: type: - string - 'null' builtIn: type: boolean description: >- Provided by Print.App: it cannot be changed, only hidden by deleting it. created: type: - string - 'null' format: date-time modified: type: - string - 'null' format: date-time examples: - object: palette id: folder:8a1d2c3b-4e5f-4a6b-8c7d-9e0f1a2b3c4d title: Brand colors: - name: Navy type: solid hex: '#1f2a44' cmyk: 100,80,30,40 spot: null builtIn: false created: '2026-10-27T10:00:00Z' modified: '2026-10-27T10:00:00Z' Error: title: Error description: >- Every error the API itself returns. Match on `code`; `message` is for people and may be reworded. type: object required: - error - code - message - requestId properties: error: type: boolean const: true code: type: string enum: - unauthorized - account_suspended - invalid_request - not_found - route_not_found - idempotency_key_reused - idempotency_in_progress - folder_not_empty - builtin_folder - builtin_palette - editor_not_supported - design_changed - payload_too_large - unsupported_media_type - ops_failed - internal_error - service_unavailable description: >- `unauthorized` (401): missing, unknown, revoked or expired secret key. `account_suspended` (403): the account has an unpaid invoice. `invalid_request` (400): a parameter or body field is malformed — see `param` and `details`. `not_found` (404): no such resource in your account. `route_not_found` (404): no such endpoint. `idempotency_key_reused` (409): the Idempotency-Key was used for a different request. `idempotency_in_progress` (409): the first request with that key is still running. `folder_not_empty` (409): the folder still holds designs or folders. `builtin_folder`, `builtin_palette` (409): Print.App's own folders and palettes cannot be changed. `editor_not_supported` (409): page content can only be edited on accounts that use the new editor. `design_changed` (409): the design was saved elsewhere while the batch ran; read it again and retry. `payload_too_large` (413): a body or file over the limit. `unsupported_media_type` (415): send JSON. `ops_failed` (422): an operation in the batch failed, nothing was saved — see `details`. `internal_error` (500): retry; contact support with the `requestId` if it persists. `service_unavailable` (503): retry in a few seconds. message: type: string param: type: string description: The parameter or body field at fault, as a path (`pages[0].title`). details: type: array description: >- Every problem found, when there was more than one (`invalid_request`), or each operation's result (`ops_failed`). items: type: object requestId: type: string description: >- Also sent as the `x-request-id` header. Quote it when contacting support. examples: - error: true code: invalid_request message: limit must be an integer from 1 to 100. param: limit requestId: FZn-uhymjoEEJow= GatewayError: type: object properties: message: type: string description: Returned by the API gateway itself (429). headers: RequestId: description: Identifies the request. Quote it when contacting support. schema: type: string IdempotentReplayed: description: >- `true` when the response is the stored answer to an earlier request with the same Idempotency-Key. schema: type: string securitySchemes: bearerAuth: type: http scheme: bearer description: >- A secret key from Print.App admin → Domains → Secret keys, sent as `Authorization: Bearer sk_…`. Server-side only. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.