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API

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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 How to use Alto in CI/CD testing Self host guide FAQs Public Endpoint

Endpoints

eth_sendUserOperation eth_estimateUserOperationGas eth_getUserOperationReceipt eth_getUserOperationByHash eth_supportedEntryPoints 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

Bundler Error Codes

Verifying Paymaster

How to use the Verifying Paymaster Endpoints FAQs Common Errors

ERC-20 Paymaster

Overview Supported Tokens

Endpoints

pimlico_getSupportedTokens pimlico_getTokenQuotes pm_getPaymasterData pm_getPaymasterStubData pm_sponsorUserOperation

Architecture Contract Addresses

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.