Pimlico
ERC-4337 account abstraction infrastructure: hosted bundlers and paymasters (gas sponsorship and ERC-20 gas payment) with the permissionless.js SDK, plus the open-source Alto bundler.
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Resources
Good for
- hosted ERC-4337 bundler and paymaster
- gas sponsorship and ERC-20 gas payment
- provider-neutral AA infra under any 4337 account
- self-hosting the bundler via open-source Alto
Avoid for
- teams wanting an opinionated end-to-end account SDK (use a full-stack AA provider instead)
- non-ERC-4337 or non-EVM account models
- apps that cannot depend on a hosted RPC for the bundler/paymaster path
88/100
Readiness measures how much verified integration surface exists for builders and agents. It does not mean the protocol is easy to use — integration difficulty is tracked separately.
Docs URL present
SDK URL present
No template
No support channel
Hosted ERC-4337 bundler: production_surface; Paymaster (sponsorship + ERC-20 gas): production_surface; permissionless.js SDK: integration_workflow (capped at 20)
Has a production-ready capability
Protocol provenance confidence is high
5 chain(s) (capped at 5)
Last verified 16 day(s) ago
No open critical issues
No hard caps applied.
Capabilities
Hosted ERC-4337 bundler production-ready
Best for: submitting UserOperations without running bundler infra, multi-chain 4337 coverage from one provider
- EntryPoint version support (v0.6/v0.7/v0.8) and per-chain coverage must be confirmed for the exact target.
Paymaster (sponsorship + ERC-20 gas) production-ready
Best for: sponsoring user gas, letting users pay gas in stablecoins
- Sponsorship can fail when policy or account-level limits are reached; implement fallback behavior.
permissionless.js SDK production-ready
Best for: deploying and managing ERC-4337 smart accounts from TypeScript, viem-native account abstraction integration
Composes with
safe wallet_and_identity supports
Pimlico provides the ERC-4337 bundler and paymaster layer underneath Safe smart accounts.
privy wallet_and_identity supports
Privy embedded wallets can pair with Pimlico's bundler/paymaster infra for gasless smart-account UX.
zerodev transactions_and_paymasters alternative
ZeroDev is a full-stack ERC-4337 provider (account SDK + infra); an alternative when you want one opinionated end-to-end stack rather than provider-neutral infra.
biconomy transactions_and_paymasters alternative
Biconomy is an alternative ERC-4337 bundler/paymaster and AA stack.
Provenance
Last verified 2026-06-16 by composewith.eth research (pimlico.io, docs.pimlico.io, and pimlicolabs/permissionless.js live-verified via WebFetch 2026-06-16) (confidence: high). Score computed by score.v2.