OpenSea

aid: opensea
url: https://raw.githubusercontent.com/api-evangelist/opensea/refs/heads/main/apis.yml
name: OpenSea
kind: company
description: OpenSea is the world's largest NFT marketplace, offering a REST API for querying NFT collections, listings, offers,
  orders, and events, and for managing programmatic NFT trading across 27+ blockchain chains including Ethereum, Polygon,
  Base, Solana, Arbitrum, and more.
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- NFT
- Marketplace
- Web3
- Blockchain
- Trading
- Digital Assets
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
apis:
- aid: opensea:nft-api
  name: OpenSea NFT API
  description: Retrieve individual NFT metadata, ownership, rarity, analytics, and owners across supported blockchain chains.
    Supports batch NFT retrieval, metadata refresh, validation, and collection-based listing.
  humanURL: https://docs.opensea.io/reference/api-overview
  baseURL: https://api.opensea.io/api/v2
  tags:
  - NFT
  - Metadata
  - Ownership
  properties:
  - type: Documentation
    url: https://docs.opensea.io/reference/api-overview
  - type: OpenAPI
    url: https://raw.githubusercontent.com/ProjectOpenSea/api-types/main/opensea-api.json
- aid: opensea:collection-api
  name: OpenSea Collection API
  description: Query NFT collection details, traits, floor prices, holders, offer aggregates, trending and top collections.
    Supports batch retrieval by slugs and discovery of new and popular collections.
  humanURL: https://docs.opensea.io/reference/api-overview
  baseURL: https://api.opensea.io/api/v2
  tags:
  - Collections
  - Discovery
  - Floor Price
  properties:
  - type: Documentation
    url: https://docs.opensea.io/reference/api-overview
  - type: OpenAPI
    url: https://raw.githubusercontent.com/ProjectOpenSea/api-types/main/opensea-api.json
- aid: opensea:listing-api
  name: OpenSea Listing API
  description: Create, fulfill, and query NFT listings on OpenSea. Supports best listing retrieval per collection or NFT,
    cross-chain fulfillment, and collection sweep purchases with automatic substitution for unavailable items.
  humanURL: https://docs.opensea.io/reference/api-overview
  baseURL: https://api.opensea.io/api/v2
  tags:
  - Listings
  - Marketplace
  - Trading
  properties:
  - type: Documentation
    url: https://docs.opensea.io/reference/api-overview
  - type: OpenAPI
    url: https://raw.githubusercontent.com/ProjectOpenSea/api-types/main/opensea-api.json
- aid: opensea:offer-api
  name: OpenSea Offer API
  description: Build, create, fulfill, and query NFT offers and bids on OpenSea. Supports collection-wide offers, trait-based
    offers, item-specific bids, and best-offer retrieval per NFT.
  humanURL: https://docs.opensea.io/reference/api-overview
  baseURL: https://api.opensea.io/api/v2
  tags:
  - Offers
  - Bids
  - Marketplace
  properties:
  - type: Documentation
    url: https://docs.opensea.io/reference/api-overview
  - type: OpenAPI
    url: https://raw.githubusercontent.com/ProjectOpenSea/api-types/main/opensea-api.json
- aid: opensea:order-api
  name: OpenSea Order API
  description: Look up and cancel individual orders by chain, protocol address, and order hash. Supports both Seaport listing
    and offer orders.
  humanURL: https://docs.opensea.io/reference/api-overview
  baseURL: https://api.opensea.io/api/v2
  tags:
  - Orders
  - Seaport
  properties:
  - type: Documentation
    url: https://docs.opensea.io/reference/api-overview
  - type: OpenAPI
    url: https://raw.githubusercontent.com/ProjectOpenSea/api-types/main/opensea-api.json
- aid: opensea:events-api
  name: OpenSea Events API
  description: Retrieve historical NFT marketplace events including sales, transfers, mints, and cancellations by account,
    collection, or individual NFT. Also supports real-time event streaming via the Stream API WebSocket.
  humanURL: https://docs.opensea.io/reference/api-overview
  baseURL: https://api.opensea.io/api/v2
  tags:
  - Events
  - Analytics
  - History
  properties:
  - type: Documentation
    url: https://docs.opensea.io/reference/api-overview
  - type: OpenAPI
    url: https://raw.githubusercontent.com/ProjectOpenSea/api-types/main/opensea-api.json
- aid: opensea:token-api
  name: OpenSea Token API
  description: Retrieve fungible token details, balances, holders, liquidity pools, price history, OHLCV candlestick data,
    trending tokens, and swap quotes for token trading across supported chains.
  humanURL: https://docs.opensea.io/reference/api-overview
  baseURL: https://api.opensea.io/api/v2
  tags:
  - Tokens
  - DeFi
  - Price
  properties:
  - type: Documentation
    url: https://docs.opensea.io/reference/api-overview
  - type: OpenAPI
    url: https://raw.githubusercontent.com/ProjectOpenSea/api-types/main/opensea-api.json
- aid: opensea:account-api
  name: OpenSea Account API
  description: Retrieve OpenSea account profiles, resolve ENS/usernames, and access portfolio analytics including net worth
    history, P&L tracking, owned collections, favorites, listings, and offers.
  humanURL: https://docs.opensea.io/reference/api-overview
  baseURL: https://api.opensea.io/api/v2
  tags:
  - Accounts
  - Portfolio
  - Identity
  properties:
  - type: Documentation
    url: https://docs.opensea.io/reference/api-overview
  - type: OpenAPI
    url: https://raw.githubusercontent.com/ProjectOpenSea/api-types/main/opensea-api.json
- aid: opensea:drops-api
  name: OpenSea Drops API
  description: Discover NFT drops, check mint eligibility, build mint transactions, deploy NFT contracts, and track transaction
    receipts for minting operations.
  humanURL: https://docs.opensea.io/reference/api-overview
  baseURL: https://api.opensea.io/api/v2
  tags:
  - Drops
  - Minting
  - Contracts
  properties:
  - type: Documentation
    url: https://docs.opensea.io/reference/api-overview
  - type: OpenAPI
    url: https://raw.githubusercontent.com/ProjectOpenSea/api-types/main/opensea-api.json
- aid: opensea:search-api
  name: OpenSea Search API
  description: Search across OpenSea collections, NFTs, tokens, and accounts by keyword. Powers discovery of assets and creators
    across the OpenSea marketplace.
  humanURL: https://docs.opensea.io/reference/api-overview
  baseURL: https://api.opensea.io/api/v2
  tags:
  - Search
  - Discovery
  properties:
  - type: Documentation
    url: https://docs.opensea.io/reference/api-overview
  - type: OpenAPI
    url: https://raw.githubusercontent.com/ProjectOpenSea/api-types/main/opensea-api.json
- aid: opensea:stream-api
  name: OpenSea Stream API
  description: Real-time WebSocket event streaming for NFT marketplace activity per collection, including item listed, item
    sold, item transferred, item metadata updates, item cancelled, item received offer, and item received bid events.
  humanURL: https://docs.opensea.io/reference/stream-js
  baseURL: wss://stream-api.opensea.io/socket
  tags:
  - WebSocket
  - Streaming
  - Real-time
  - Events
  properties:
  - type: Documentation
    url: https://docs.opensea.io/reference/stream-js
  - type: SDKs
    url: https://github.com/ProjectOpenSea/stream-js
- aid: opensea:swap-api
  name: OpenSea Swap API
  description: Get swap quotes and execute token trading with executable transaction data across supported blockchain chains.
  humanURL: https://docs.opensea.io/reference/api-overview
  baseURL: https://api.opensea.io/api/v2
  tags:
  - Swap
  - DeFi
  - Trading
  properties:
  - type: Documentation
    url: https://docs.opensea.io/reference/api-overview
  - type: OpenAPI
    url: https://raw.githubusercontent.com/ProjectOpenSea/api-types/main/opensea-api.json
common:
- type: Authentication
  url: https://docs.opensea.io/reference/api-keys
- type: Plans
  url: plans/opensea-plans.yml
- type: RateLimits
  url: rate-limits/opensea-rate-limits.yml
- type: FinOps
  url: finops/opensea-finops.yml
- type: SDKs
  url: https://github.com/ProjectOpenSea/opensea-sdk
- type: CLI
  url: https://github.com/ProjectOpenSea/opensea-cli
- type: OpenAPI
  url: https://raw.githubusercontent.com/ProjectOpenSea/api-types/main/opensea-api.json
- type: TermsOfService
  url: https://opensea.io/tos
- type: PrivacyPolicy
  url: https://opensea.io/privacy
- type: StatusPage
  url: https://status.opensea.io
- type: Support
  url: https://support.opensea.io
- type: Blog
  url: https://opensea.io/blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com