AA Bundler
JSON →Reference implementation of an EIP-4337 bundler for account abstraction on Ethereum. Current version 0.2.0, built by eth-infinitism. Supports production and debug RPC calls per bundler-spec-tests. Requires a GETH node with debug_traceCall and JavaScript tracer; does not work with Hardhat or Ganache without --unsafe flag. Includes SDK for creating UserOperations and utility contracts. Designed as modular reference for the EIP-4337 standard. Released as open-source with active maintenance.
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Resources
API endpoints
full doc /v1/registry/aa-bundler-1
compatibility /v1/registry/aa-bundler-1/compatibility