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Bundler & Paymaster RPCs

To ensure utmost reliability for our customers, our RPCs use multiple bundlers under the hood, including:

  • UltraRelay, ZeroDev's own bundler optimized for sponsored transactions
  • Alchemy
  • Gelato
  • Pimlico

Our RPCs support all standard methods defined in the ERC-4337 spec.

By default, ZeroDev sends traffic to a provider that's known to work well on the given network. However, you can configure which specific provider to proxy traffic to, as described below.

You can find the bundler & paymaster RPCs for a specific ZeroDev project on the ZeroDev dashboard.

Configuring the RPC for a specific infra provider

You can append the following query params (i.e. ?param=value) to the RPC:

  • provider, which specifies the underlying bundler to use. Possible values include:
    • ULTRA_RELAY
    • ALCHEMY
    • GELATO
    • PIMLICO

Example:

https://rpc.zerodev.app/api/v3/55569f2d-5bbf-43e5-90cc-75d43c26e007/chain/42161?provider=ULTRA_RELAY