ERC-721
Variants seen in the corpus:
ERC-721ERC721
Providers using this tag (7)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Developing 3 Usable, with meaningful gaps to close
OpenZeppelinOpenZeppelin is a Web3 security platform providing tools for secure smart contract development, deployment,...LooksRareLooksRare is a community-first NFT marketplace built on Ethereum that rewards traders, collectors, and crea...Routescan (Snowtrace)Routescan is the first multichain ecosystem explorer, search, API, and analytics platform for all major EVM...
Thin 3 Limited public surface area
SuperRareSuperRare is a premier digital art marketplace and auction house built on Ethereum for discovering, collect...ManifoldManifold is an NFT creator tools platform that empowers artists and developers to deploy their own creator-...ZoraZora is an NFT protocol and marketplace that enables creators to mint, sell, and manage digital collectible...
Emerging 1 Early or largely undocumented
APIs with this tag (7)
Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →
Developing 2 Usable, with meaningful gaps to close
Thin 5 Limited public surface area
SuperRare Rare Protocol CLICommand-line interface and SDK for deploying ERC-721 NFT collections, minting tokens, managing reserve-pric...SuperRare Smart Contracts - Assets (ERC-721)SuperRare ERC-721 NFT asset contracts including shared minting contracts (SuperRareV1, SuperRareV2), creato...Manifold Creator Core Smart ContractsOpen-source Solidity smart contract framework for deploying ERC721 and ERC1155 creator-owned NFT contracts....Zora NFT GraphQL APIGraphQL API for querying NFT metadata, on-chain sales, mint events, collection attributes, and market stati...Zora Protocol SDKTypeScript SDK providing a Creator Client for deploying and managing Zora ERC-1155 and ERC-721 contracts an...
Score breakdown
Frequency
27.2
log-scaled weighted occurrences
Breadth
0.2
spread across providers
Quality lift
45.7
mean composite of providers using it
Cohesion
4.0
strength of nearest seed neighbor
Related tags
ERC-1155 6 co-occurrences
NFT 6 co-occurrences
Ethereum 7 co-occurrences
Smart Contracts 5 co-occurrences
Web3 5 co-occurrences
Blockchain 5 co-occurrences
Where this tag comes from
Provider tag3
Api tag7
Work with this as data
Every tag here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for tags
7 MCP tools reach this
find_tagsBrowse and filter every tag in the catalog.get_cohortThis tag as a scored cohort — every provider carrying it, with scores.cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This tag
curl "https://apis.io/api/v1/tags/erc-721"
All tags
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort
curl "https://apis.io/api/v1/cohorts/tag/erc-721"
The distribution (Pro)
curl "https://apis.io/api/v1/cohorts/tag/erc-721/stats" \
-H "X-API-Key: $APIS_IO_KEY"
Discovery needs no key. Ratings and market analysis are Pro.