> ## Documentation Index
> Fetch the complete documentation index at: https://docs.inprocess.world/llms.txt
> Use this file to discover all available pages before exploring further.

# Create Collection

> Create a new Collection on In•Process.



## OpenAPI

````yaml POST /collections
openapi: 3.1.0
info:
  title: In•Process API
  description: >-
    The In•Process API enables browsing and managing moments from timelines.
    Retrieve moments from a specific artist's timeline, browse the in•process
    collective timeline, or filter by collection. The API supports creating
    moments, managing collections, handling payments, and interacting with the
    In•Process protocol ecosystem.
  version: 1.0.0
servers:
  - url: https://api.inprocess.world/api
    description: Production server
security: []
paths:
  /collections:
    post:
      summary: Create Collection
      description: Create a new Collection on In•Process.
      operationId: createCollection
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateCollectionRequest'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CreateCollectionResponse'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security: []
components:
  schemas:
    CreateCollectionRequest:
      type: object
      required:
        - account
        - collection
      properties:
        account:
          type: string
          description: Creator's wallet address
        collection:
          $ref: '#/components/schemas/CollectionItem'
          description: The collection to create
        chainId:
          type: integer
          description: 'Chain ID where the collection will be created (default: Base, 8453)'
          default: 8453
    CreateCollectionResponse:
      type: object
      required:
        - contractAddress
        - hash
        - chainId
      properties:
        contractAddress:
          type: string
          description: The address of the newly created Collection
        hash:
          type: string
          description: Transaction hash of the creation operation
        chainId:
          type: integer
          description: Chain ID where the transaction was executed
    Error:
      type: object
      required:
        - status
        - message
      properties:
        status:
          type: string
          enum:
            - error
          description: Error status
        message:
          type: string
          description: Error message
        errors:
          type: array
          description: >-
            Optional array of field-level validation errors. Typically included
            in 400 Bad Request responses for validation errors.
          items:
            type: object
            required:
              - field
              - message
            properties:
              field:
                type: string
                description: The field name that failed validation
              message:
                type: string
                description: The validation error message for this field
    CollectionItem:
      type: object
      required:
        - name
        - uri
      properties:
        name:
          type: string
          description: Name of the Collection
        uri:
          type: string
          description: Metadata URI for the Collection (e.g., Arweave URI)
        splits:
          type: array
          description: >-
            Optional revenue sharing configuration. If provided, must have at
            least 2 recipients and sum to 100%
          items:
            $ref: '#/components/schemas/Split'
          minItems: 2
    Split:
      type: object
      required:
        - address
        - percentAllocation
      properties:
        address:
          type: string
          description: Recipient address for revenue sharing
        percentAllocation:
          type: number
          description: Allocation percentage (0-100)
          minimum: 0
          maximum: 100

````