The Coinbase Paymaster API provides ERC-4337 Account Abstraction endpoints to send transactions from smart wallets and sponsor gas for users. Paymaster is ERC-7677 compliant and supports both pm_getPaymasterStubData and pm_getPaymasterData. The endpoint also provides access to our Bundler.

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Get Started

  1. Create a new CDP account or sign in to your existing account.
  2. Create a new project.
  3. Navigate to the Paymaster product where you’ll see $100 in credits (and can get $500 more for adding a payment method).
  4. Use the Playground to make a request and see the response.
  5. Set your gas policy configurations. Allowlist at least one contract to protect against unintended sponsorship (disregard if allowlisting through a paymaster proxy).
  6. Start sending UserOperations and creating gasless experiences for your users.
  7. Apply for additional gas credits as you scale.

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Example Repository

See our examples on GitHub for details on integrating our Paymaster with popular SDKs.

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Want More Guidance?

If you’d like more specific guidance, reach out to us in the #paymaster channel in the CDP Discord.