Onchain
Providers using this tag (18)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Developing 5 Usable, with meaningful gaps to close
Emerging 3 Early or largely undocumented
Minimal 1 Almost no public developer surface
APIs with this tag (29)
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 1 Solid coverage with minor gaps
Developing 4 Usable, with meaningful gaps to close
Kaiko On-chain APIOn-chain metrics including DEX trades, liquidity, lending markets, and MEV signals across major chains.Gitcoin Grants Stack Indexer APIGraphQL API for querying indexed on-chain data from the Gitcoin Grants Stack and Allo Protocol. Provides ac...Amberdata On-Chain APIOn-chain blockchain data (blocks, transactions, addresses, tokens).CryptoCompare On-Chain APIOn-chain blockchain metrics aggregated across chains.
Thin 18 Limited public surface area
Neynar On Chain APIOperations related to onchain dataOKX Wallet API (Onchain OS)Developer APIs for OKX Web3 wallet integration, including multi-chain transaction signing, DEX aggregation ...Surf On Chain APIQuery blockchain data directly. Look up transaction details by hash, check gas prices, and run structured o...Dune Query APIREST endpoints for executing pre-saved Dune SQL queries, polling execution status, and paginating results. ...Dune Trends APICurated, fixed endpoints over Dune's most popular trend datasets without writing SQL.GMX GraphQL APIHistorical on-chain data for GMX via Subsquid-powered GraphQL endpoints. Enables deep queries over trades, ...CryptoQuant On-Chain APINetwork indicators including SOPR, MVRV, NVT, and active addresses.Filecoin Onchain Cloud Synapse APIHigh-level TypeScript SDK and API for the Filecoin Onchain Cloud — a smart-contract-based marketplace provi...Art Blocks Subgraph — Arbitrum OneDecentralised subgraph on The Graph Network providing on-chain-only data for Art Blocks tokens, projects, a...Art Blocks Subgraph — BaseDecentralised subgraph on The Graph Network providing on-chain-only data for Art Blocks tokens, projects, a...Art Blocks Subgraph — EthereumDecentralised subgraph on The Graph Network providing on-chain-only data for Art Blocks tokens, projects, a...Glassnode Metrics APITime-series API for thousands of on-chain and market metrics across major crypto assets. Endpoints follow /...ParaSwap AugustusRFQ APIThe AugustusRFQ API enables market makers to integrate with ParaSwap's on-chain limit order and Request-for...OnchainKitReact component library and TypeScript SDK (@coinbase/onchainkit) for building onchain apps on Base — walle...Farcaster On Chain APIThe On Chain API from Farcaster — 4 operation(s) for on chain.Curve Smart ContractsCurve's primary surface for swaps and liquidity is a set of audited Vyper smart contracts deployed across m...Spindl Ads APIPublisher-facing onchain advertising API. Fetch targeted ad recommendations for a wallet address at a named...Nansen REST APIREST API surfacing Nansen's on-chain intelligence: smart-money flows, profiler (wallet labels and balances)...
Emerging 6 Early or largely undocumented
KyberSwap OnChain Price Service APIDelivers accurate, reliable, and tradable on-chain token price data for each supported network, reflecting ...Raydium Solana ProgramsRaydium's swap, AMM, CLMM, farm, and launchpad programs deployed on Solana.Delphi APIREST + on-chain API for the Delphi information (prediction) market platform. REST endpoints cover market di...Lens Protocol Smart ContractsThe Lens v3 smart contracts implement the onchain social graph on Lens Chain. Core primitives include Accou...Goldsky ComposeExecution layer for orchestrating onchain-x-offchain workflows - compose smart-contract calls, external API...Balancer Smart ContractsVault and Router smart contracts where swaps and liquidity actions are executed on-chain. v2 and v3 version...
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
CryptoQuant
Curve Finance
Farcaster
Filecoin
Gensyn
Gitcoin
GMX
Goldsky
KyberSwap
Lens Protocol
OKX
OpenZeppelin
ParaSwap
Raydium
Spindl
Surf
Score breakdown
Frequency
46.7
log-scaled weighted occurrences
Breadth
0.5
spread across providers
Quality lift
40.5
mean composite of providers using it
Cohesion
6.0
strength of nearest seed neighbor
Related tags
DEX 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 17 co-occurrences
Where this tag comes from
Provider tag18
Api tag29
Openapi tag5
Openapi op tag16
Work with this as data
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