99designs Briefs API

openapi: 3.0.3
info:
  title: 99designs Briefs API
  description: 'The 99designs API lets platforms and partners embed a fully-managed creative marketplace: search and match designers, collect design briefs, place orders against 99designs products, and generate partner coupons. Authentication uses a pair of API key headers (Api-Key-Id and Api-Key-Secret) issued by 99designs after a partner requests access.'
  version: v1
  contact:
    name: 99designs API
    url: https://99designs.com/api
  x-apis-json-source: https://api.99designs.com/resources/docs/
  x-provenance:
    generated: '2026-07-17'
    method: searched
    source: https://api.99designs.com/resources/docs/
servers:
- url: https://api.99designs.com/resources/v1
  description: Production
security:
- ApiKeyId: []
  ApiKeySecret: []
tags:
- name: Briefs
  description: Collect design briefs.
paths:
  /briefs:
    post:
      operationId: createBrief
      tags:
      - Briefs
      summary: Create a brief
      description: Submit a design brief describing the project a customer needs.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BriefRequest'
      responses:
        '201':
          description: Brief created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BriefCreated'
        '400':
          $ref: '#/components/responses/ValidationError'
components:
  responses:
    ValidationError:
      description: Validation error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorEnvelope'
  schemas:
    BriefCreated:
      type: object
      properties:
        id:
          type: string
        briefUrl:
          type: string
    BriefRequest:
      type: object
      properties:
        category:
          type: string
        title:
          type: string
        description:
          type: string
        profileApproval:
          type: boolean
        industry:
          type: string
        inspirationUrls:
          type: array
          items:
            type: string
        budget:
          type: object
          properties:
            value:
              type: integer
              description: Amount in cents
            currency:
              type: string
        other:
          type: string
        timeframe:
          type: object
          properties:
            value:
              type: string
            startDate:
              type: string
              format: date-time
            endDate:
              type: string
              format: date-time
        urls:
          type: array
          items:
            type: string
        usage:
          type: string
        language:
          type: string
    ErrorEnvelope:
      type: object
      properties:
        errors:
          type: array
          items:
            type: object
            properties:
              path:
                type: string
              message:
                type: string
        message:
          type: string
  securitySchemes:
    ApiKeyId:
      type: apiKey
      in: header
      name: Api-Key-Id
    ApiKeySecret:
      type: apiKey
      in: header
      name: Api-Key-Secret