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OpenAPI Specification

openapi: 3.2.0
info:
  title: LooksRare Public Collections API
  description: LooksRare is a community-first NFT marketplace built on Ethereum. The public REST API exposes read and write access to orders, events (listings, sales, offers, cancellations), token metadata, and collection data across Ethereum Mainnet (https://api.looksrare.org) and the Sepolia testnet (https://api-sepolia.looksrare.org). A mainnet API key is required for write operations such as order creation.
  version: 2.0.0
  contact:
    url: https://looksrare.dev
  license:
    name: Attribution Required
    url: https://looksrare.dev
  x-logo:
    url: https://looksrare.org/favicon.ico
servers:
- url: https://api.looksrare.org/api
  description: Ethereum Mainnet
- url: https://api-sepolia.looksrare.org/api
  description: Sepolia Testnet
security: []
tags:
- name: Collections
  description: Retrieve NFT collection-level metadata, statistics, and integration eligibility.
paths:
  /v2/collections/seaport:
    get:
      operationId: checkCollectionSeaportEligibility
      summary: Check Seaport eligibility for a collection
      description: Check whether a specific NFT collection is eligible for trading via the LooksRare Seaport integration.
      tags:
      - Collections
      parameters:
      - name: collection
        in: query
        required: true
        description: Collection contract address to check.
        schema:
          $ref: '#/components/schemas/EthereumAddress'
      responses:
        '200':
          description: Seaport eligibility status for the collection.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CollectionSeaportResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '429':
          $ref: '#/components/responses/RateLimitExceeded'
        '500':
          $ref: '#/components/responses/InternalServerError'
components:
  responses:
    BadRequest:
      description: Invalid request parameters.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    InternalServerError:
      description: Internal server error.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    RateLimitExceeded:
      description: Rate limit exceeded.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  schemas:
    ErrorResponse:
      type: object
      properties:
        success:
          type: boolean
          example: false
        message:
          type: string
          description: Human-readable error message.
    CollectionSeaportResponse:
      type: object
      properties:
        success:
          type: boolean
        message:
          type: string
          nullable: true
        data:
          type: object
          properties:
            eligible:
              type: boolean
              description: Whether this collection is eligible for trading via LooksRare Seaport.
    EthereumAddress:
      type: string
      pattern: ^0x[a-fA-F0-9]{40}$
      description: A valid Ethereum contract or wallet address (42 characters including 0x prefix).
      example: '0x60e4d786628fea6478f785a6d7e704777c86a7c6'
  securitySchemes:
    ApiKeyHeader:
      type: apiKey
      in: header
      name: X-Looks-Api-Key
      description: API key required for mainnet write operations (order creation). Not needed for read endpoints or testnet.
externalDocs:
  description: LooksRare Developer Documentation
  url: https://looksrare.dev