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Why Pimlico

For Startups For Enterprise

Pricing Supported Chains

Sponsorship Policies

How to use sponsorship policies How to use a webhook How to create a gas program

Security

How to protect your API keys

Debugging

How to debug dropped user operations

API

Sponsorship Policies

The Sponsorship Policy object Retrieve a sponsorship policy List all sponsorship policies Create a sponsorship policy Update a sponsorship policy

Overview How to use the bundler Self host guide FAQs

Compression

How to create your own inflator contract and submit compressed user operations Contracts Reference

Endpoints

eth_sendUserOperation eth_estimateUserOperationGas eth_getUserOperationReceipt eth_getUserOperationByHash eth_supportedEntryPoints pimlico_sendCompressedUserOperation pimlico_getUserOperationGasPrice pimlico_getUserOperationStatus

Bundler Errors

EntryPoint Errors

AA10 sender already constructed AA13 initCode failed or OOG AA14 initCode must return sender AA15 initCode must create sender AA20 account not deployed AA21 didn't pay prefund AA22 expired or not due AA23 reverted AA24 signature error AA25 invalid account nonce AA30 paymaster not deployed AA31 paymaster deposit too low AA32 paymaster expired or not due AA33 reverted AA34 signature error AA40 over verificationGasLimit AA41 too little verificationGas AA50 postOp reverted AA51 prefund below actualGasCost AA90 invalid beneficiary AA91 failed send to beneficiary AA92 internal call only AA93 invalid paymasterAndData AA94 gas values overflow AA95 out of gas AA96 invalid aggregator

Verifying Paymaster

How to use the Verifying Paymaster Endpoints FAQs Common Errors

ERC-20 Paymaster

Overview Supported Tokens

Guides

How to use the ERC-20 Paymaster How to use the ERC-20 Paymaster without unlimited token approvals How to estimate token cost and cost in USD

Endpoints

pimlico_getTokenQuotes pm_getPaymasterData pm_getPaymasterStubData pm_sponsorUserOperation

Architecture Contract Addresses

ERC-20 Paymaster (permissionless)

Overview Architecture Staking

Endpoints

pimlico_getMagicSpendContracts pimlico_getMagicSpendStakes pimlico_prepareMagicSpendAllowance pimlico_grantMagicSpendAllowance pimlico_sponsorMagicSpendWithdrawal pimlico_getMagicSpendAllowancesByOperator

Guides

How to request ETH from a MagicSpend++

Supported chains and tokens

AA95 out of gas

The bundler tried to bundle the user operation with the gas limit set too low.

Possible solutions

If you are using a bundler provider like Pimlico, reach out to them.