Art Blocks Media API

openapi: 3.1.0
info:
  title: Art Blocks Generator Media API
  description: Returns an iframe-able live view of the generative artwork associated with a given Art Blocks token. The live view runs the artist's on-chain script in the browser using the token's deterministic hash as a seed, producing the canonical on-chain artwork output. Useful for embedding live artwork in external applications and marketplaces.
  version: 1.0.0
  contact:
    name: Art Blocks Developer Documentation
    url: https://docs.artblocks.io/developer/token-and-generator-apis/
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: https://generator.artblocks.io
  description: Production (Ethereum, Arbitrum One, Base)
- url: https://generator.staging.artblocks.io
  description: Staging (Sepolia testnet)
tags:
- name: Media
  description: Static image media proxy endpoints.
paths:
  /{chainId}/{contractAddress}/{tokenId}.png:
    get:
      operationId: getTokenStaticImage
      summary: Get static PNG render of token artwork
      description: Returns a static PNG image of the Art Blocks token artwork, captured by a headless browser executing the generative script. This is the canonical static image used on artblocks.io and by NFT marketplaces for thumbnail display.
      tags:
      - Media
      parameters:
      - name: chainId
        in: path
        required: true
        description: Chain ID of the network. Use 1 for Ethereum, 42161 for Arbitrum One, 8453 for Base.
        schema:
          type: integer
          enum:
          - 1
          - 42161
          - 8453
          example: 1
      - name: contractAddress
        in: path
        required: true
        description: Ethereum address of the Art Blocks core contract.
        schema:
          type: string
          pattern: ^0x[a-fA-F0-9]{40}$
          example: '0x99a9b7c1116f9ceeb1652de04d5969cce509b069'
      - name: tokenId
        in: path
        required: true
        description: The ERC-721 token ID (without .png extension in the parameter value).
        schema:
          type: integer
          example: 385000000
      responses:
        '200':
          description: Static PNG image of the token's generative artwork.
          content:
            image/png:
              schema:
                type: string
                format: binary
        '302':
          description: Redirect to the cached image CDN URL.
          headers:
            Location:
              schema:
                type: string
                format: uri
              description: URL of the cached image.
        '400':
          description: Invalid parameters.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: Token image not found or not yet rendered.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    Error:
      type: object
      properties:
        message:
          type: string
          description: Human-readable error message.
externalDocs:
  description: Art Blocks Developer Documentation
  url: https://docs.artblocks.io/developer/token-and-generator-apis/