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Spire Labs

Spire Labs is a venture-backed Ethereum infrastructure company building based appchain and transaction-execution products. Its offerings include Pylon for based appchains, DA Builder for transaction aggregation, Full Send RPC for transaction inclusion and MEV protection, and BaiBai, a PropAMM DEX on Base.
Palo Alto, USA
Current stage: Seed2 current maintainers2 active leads1 new active lead2 lead step-downs1 early lead departure

Maintainer signals as of Aug 10, 2026


Current Funding Stage

Seed

Current recognized equity stage. The rounds below remain the historical funding record.

Funding Rounds

Funding Round: Seed
Funding Date: 1 Oct, 2024
Raised Amount: $7M

Investors