niche · -2.0 marketcapability domainschema

On-Chain Data

Score 17.3 / 100 11 providers +6 via APIs 10 APIs Search apis.io →

Providers using this tag (11)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Strong 2 Solid coverage with minor gaps
ZerionCompanyWeb3BlockchainCryptocurrency1 API60.8B3CompanyCryptocurrencyBlockchainWeb33 APIs55.0
Developing 3 Usable, with meaningful gaps to close
Agent ExchangeAgentsAgentic Commercex402MCP3 APIs49.6PaulieB14BlockchainThe GraphSubgraph1 API41.9Coin MetricsFinanceMarket DataCryptocurrencyBlockchain1 API41.5
Thin 3 Limited public surface area
DeBankWeb3DeFiBlockchainCryptocurrency1 API35.2AirstackWeb3BlockchainGraphQLNFT2 APIs27.8Footprint AnalyticsBlockchainDeFiNFTGameFi1 API27.5
Emerging 3 Early or largely undocumented
BlockchairBlockchainCryptocurrencyExplorerBitcoin1 API24.8Parsec FinanceCompanyAnalyticsDeFiNFT1 API20.1ChaoslabsCompanyOracleRisk ManagementDeFi19.1

APIs with this tag (10)

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 →

Exemplar 1 Complete, well-documented, and agent-ready
Fireblocks Onchain Data APIThe Onchain Data API from Fireblocks — 8 operation(s) for onchain data.67.2
Strong 1 Solid coverage with minor gaps
Coinbase Onchain Data APIQuery and analyze blockchain data with high performance and reliability. Features include real-time token b...54.8
Developing 2 Usable, with meaningful gaps to close
Uniswap Subgraph APIThe Uniswap Subgraph API provides GraphQL endpoints for querying on-chain data across Uniswap protocol vers...42.1Graph Advocate MCP ServerHosted MCP server at https://graphadvocate.com/mcp (Streamable HTTP for one-shot JSON-RPC initialize and to...41.9
Thin 3 Limited public surface area
Arbiscan Token APIBlock explorer API for querying Hegic (HEGIC) token data on Arbitrum One, including token supply, holder in...30.6Odos Token Pricing APIThe Odos Token Pricing API provides real-time price data for 100,000+ DeFi assets across 15 supported block...27.0Bitquery GraphQL API (V2)Unified GraphQL endpoint for querying onchain data across 40+ supported blockchains - blocks, transactions,...26.2
Emerging 3 Early or largely undocumented
Ribbon Finance Subgraph APIGraphQL API hosted on The Graph protocol providing indexed on-chain data for Ribbon Finance vaults includin...24.2Arkham Entity Intelligence APIREST and WebSocket API for programmatic access to Arkham's entity dataset - resolve addresses to entities, ...21.1Parsec Finance APIPro GraphQL API for on-chain DeFi and NFT market data — DEX trades, candles, lending markets, liquidity poo...20.1

Companies reaching this through an API (6)

These companies publish an API, specification or operation carrying “On-Chain Data” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

Arkham Intelligence Bitquery Hegic Odos Ribbon Finance Uniswap

Score breakdown

Frequency
35.7
log-scaled weighted occurrences
Breadth
0.2
spread across providers
Quality lift
38.5
mean composite of providers using it
Cohesion
4.1
strength of nearest seed neighbor

Where this tag sits

Blockchain broader

Related tags

NFT 6 co-occurrences DeFi 11 co-occurrences Ethereum 8 co-occurrences Wallets 6 co-occurrences Web3 11 co-occurrences Blockchain 13 co-occurrences Cryptocurrency 12 co-occurrences GraphQL 7 co-occurrences

Where this tag comes from

Provider tag12
Api tag10

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Tools for tags

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  • 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.
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Call it yourself

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This tag 
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As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/on-chain-data"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/on-chain-data/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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