niche · 0.5 market domain

Onchain

Score 19.3 / 100 17 providers +20 via APIs 31 APIs Search apis.io →

Providers using this tag (17)

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

Strong 1 Solid coverage with minor gaps
CryptoCompareCryptocurrencyMarket DataReference RatesNews2 APIs62.3
Developing 3 Usable, with meaningful gaps to close
KaikoWeb3CryptocurrencyMarket DataInstitutional1 API51.2AmberdataCryptocurrencyBlockchainMarket DataDigital Assets10 APIs50.0Coinbase GlobalCompanyCryptocurrencyBlockchainPayments6 APIs40.2
Thin 9 Limited public surface area
ReCompanyFintechReinsuranceInsurance1 API38.2BoostCompanyCryptocurrencyWeb3Incentives1 API36.8SuperformCompanyDefi YieldDeFiVault1 API32.0NansenWeb3CryptocurrencyWallet Labels1 API28.3NeynarFarcasterSocialDecentralizedWeb32 APIs33.4Dune AnalyticsWeb3AnalyticsSQLDashboards1 API32.7HegicDeFiOptions TradingArbitrum2 APIs30.9GlassnodeWeb3CryptocurrencyAnalytics1 API29.9SolscanWeb3SolanaExplorer1 API26.5
Emerging 3 Early or largely undocumented
AzuraCompanyDeFiCryptocurrencyBlockchain15.2Coinbase OnchainKitWeb3ReactSDK4 APIs13.1PrimodiumCompanyBlockchainGamingWeb313.8
Minimal 1 Almost no public developer surface
MidasCompanyFintechRWATokenization5.3

APIs with this tag (30)

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 →

Strong 2 Solid coverage with minor gaps
CryptoCompare On-Chain APIOn-chain blockchain metrics aggregated across chains.62.3CONNSKILL On Chain APIThe On Chain API from CONNSKILL — 3 operation(s) for on chain.57.9
Developing 5 Usable, with meaningful gaps to close
Kaiko On-chain APIOn-chain metrics including DEX trades, liquidity, lending markets, and MEV signals across major chains.51.2Amberdata On-Chain APIOn-chain blockchain data (blocks, transactions, addresses, tokens).50.0OpenZeppelin Monitor APIOpenZeppelin Monitor is an open-source blockchain monitoring service that watches for specific on-chain act...47.8Surf On Chain APIQuery blockchain data directly. Look up transaction details by hash, check gas prices, and run structured o...47.0Gitcoin Grants Stack Indexer APIGraphQL API for querying indexed on-chain data from the Gitcoin Grants Stack and Allo Protocol. Provides ac...43.7
Thin 14 Limited public surface area
Qorevia Onchain APIThe onchain API from Qorevia — 1 operation(s) for onchain.36.5Neynar On Chain APIOperations related to onchain data33.4Dune Query APIREST endpoints for executing pre-saved Dune SQL queries, polling execution status, and paginating results. ...32.7Dune Trends APICurated, fixed endpoints over Dune's most popular trend datasets without writing SQL.32.7Spindl Ads APIPublisher-facing onchain advertising API. Fetch targeted ad recommendations for a wallet address at a named...30.7OKX Wallet API (Onchain OS)Developer APIs for OKX Web3 wallet integration, including multi-chain transaction signing, DEX aggregation ...30.3Glassnode Metrics APITime-series API for thousands of on-chain and market metrics across major crypto assets. Endpoints follow /...29.9Nansen REST APIREST API surfacing Nansen's on-chain intelligence: smart-money flows, profiler (wallet labels and balances)...28.3Curve Smart ContractsCurve's primary surface for swaps and liquidity is a set of audited Vyper smart contracts deployed across m...27.9GMX GraphQL APIHistorical on-chain data for GMX via Subsquid-powered GraphQL endpoints. Enables deep queries over trades, ...26.8Art Blocks Subgraph — Arbitrum OneDecentralised subgraph on The Graph Network providing on-chain-only data for Art Blocks tokens, projects, a...26.2Art Blocks Subgraph — BaseDecentralised subgraph on The Graph Network providing on-chain-only data for Art Blocks tokens, projects, a...26.2Art Blocks Subgraph — EthereumDecentralised subgraph on The Graph Network providing on-chain-only data for Art Blocks tokens, projects, a...26.2ParaSwap AugustusRFQ APIThe AugustusRFQ API enables market makers to integrate with ParaSwap's on-chain limit order and Request-for...26.2
Emerging 9 Early or largely undocumented
Filecoin Onchain Cloud Synapse APIHigh-level TypeScript SDK and API for the Filecoin Onchain Cloud — a smart-contract-based marketplace provi...25.9OnchainKitReact component library and TypeScript SDK (@coinbase/onchainkit) for building onchain apps on Base — walle...25.4Farcaster On Chain APIThe On Chain API from Farcaster — 4 operation(s) for on chain.23.6Raydium Solana ProgramsRaydium's swap, AMM, CLMM, farm, and launchpad programs deployed on Solana.22.4Delphi APIREST + on-chain API for the Delphi information (prediction) market platform. REST endpoints cover market di...22.0KyberSwap OnChain Price Service APIDelivers accurate, reliable, and tradable on-chain token price data for each supported network, reflecting ...21.0Balancer Smart ContractsVault and Router smart contracts where swaps and liquidity actions are executed on-chain. v2 and v3 version...14.1Lens Protocol Smart ContractsThe Lens v3 smart contracts implement the onchain social graph on Lens Chain. Core primitives include Accou...12.9Goldsky ComposeExecution layer for orchestrating onchain-x-offchain workflows - compose smart-contract calls, external API...11.3

Companies reaching this through an API (20)

These companies publish an API, specification or operation carrying “Onchain” 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.

Art Blocks Balancer Base CONNSKILL Curve Finance Farcaster Filecoin Gensyn Gitcoin GMX Goldsky KyberSwap Lens Protocol OKX OpenZeppelin ParaSwap Qorevia Raydium Spindl Surf

Score breakdown

Frequency
46.6
log-scaled weighted occurrences
Breadth
0.4
spread across providers
Quality lift
33.7
mean composite of providers using it
Cohesion
5.8
strength of nearest seed neighbor

Related tags

Decentralized Exchange 9 co-occurrences Multi-Chain 7 co-occurrences The Graph 5 co-occurrences Indexer 5 co-occurrences Subgraph 5 co-occurrences Liquidity 7 co-occurrences EVM 6 co-occurrences DeFi 16 co-occurrences

Where this tag comes from

Provider tag18
Api tag31
Openapi tag5
Openapi op tag18

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