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Overview Pricing

How-to Guides

How to create your own inflator contract and submit compressed user operations How to Bundle a User Operation How to Estimate the Gas Limits for a User Operation

Reference

Supported Chains FAQs Compression Contracts

Endpoints

eth_sendUserOperation eth_estimateUserOperationGas eth_getUserOperationReceipt eth_getUserOperationByHash eth_supportedEntryPoints pimlico_sendCompressedUserOperation pimlico_getUserOperationGasPrice pimlico_getUserOperationStatus

Bundler Errors

Invalid 'apikey' query parameter Chain is not supported Validation Error: Invalid Discriminator Value Unknown error from alto bundler

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

permissionless.js

permissionless.js

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.