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Paymaster

Sponsor gas so users never need to

Pay network fees for your users' transactions, with rules for which contracts and how much you sponsor.

policy.json
{ "name": "onboarding", "networks": ["base", "arbitrum"], "allowedContracts": ["0x12ab…9f00"], "maxPerUserPerDay": "0.50", "currency": "USDC" }

What you get

Gasless UX

Users transact without holding native tokens.

Spend rules

Caps per user, contract and day.

Usage dashboard

Track sponsored spend in real time.

Pay in USDC

Top up sponsorship in stablecoins.

Quickstart

  1. Step 1

    Create an account

    Sign up for a free developer account.

  2. Step 2

    Generate API keys

    Create keys with the scopes you need.

  3. Step 3

    Install the SDK

    npm, pip or go get, whichever you prefer.

  4. Step 4

    Ship it

    Test on testnet, then switch to mainnet.

Start building in minutes

Create a free developer account and get API keys instantly.