Transpose

Transpose is a blockchain data interface provider founded in 2021 that packages indexed chain data into REST endpoints and SQL queries. Developers skip running their own nodes and parsing pipelines: one request returns an address's token balances, NFT sales, contract events or ENS records, and standard SQL can join across chains, billed by usage.

Endpoints are grouped into block, token, NFT, ENS and price sets, with a content delivery network for media and metadata across Ethereum, Polygon, Arbitrum, Optimism, Avalanche, BNB Chain and Bitcoin. The company was later acquired by Chainalysis, which folded its indexing and query capability into compliance tracking and risk analytics products, and the original API service was discontinued. Results export as datasets for loading into a warehouse, dashboard or risk model, with quotas on high-frequency calls.