Bundler Common Errors

invalid 'apikey' query parameter / missing 'apikey' query parameter

This error means that you have not provided a valid API key in the query parameters. You can find generate an API key by going through our Quick Start guide.

chain XYZ is not supported

This error means that the chain you are trying to bundle a User Operation on is not supported by Pimlico. You can find the list of supported chains here. If there is a chain we do not yet support that you would like to see added, reach out to us (opens in a new tab).