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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

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

EntryPoint Errors

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

Invalid 'apikey' query parameter

The API key you are trying to use is not valid. It either does not exist or has been deleted.

Learn how to create an API key here.