Alchemy · Capability
Alchemy Gasless Transaction Management
Capability for managing gasless transaction sponsorship using ERC-4337 Account Abstraction. Combines the Gas Manager API for policy creation and management with paymaster sponsorship. Designed for dApp developers and Web3 platform teams who want to abstract gas fees from end users.
What You Can Do
GET
List policies
— List all gas sponsorship policies.
/v1/policies
POST
Create policy
— Create a new gas sponsorship policy.
/v1/policies
GET
Get policy
— Get a specific gas sponsorship policy.
/v1/policies/{policyId}
POST
Sponsor user operation
— Sponsor a user operation for gasless transactions.
/v1/sponsor
MCP Tools
list-policies
List all gas manager sponsorship policies for the Alchemy application.
read-only
idempotent
create-policy
Create a new gas sponsorship policy with spend limits and network settings.
get-policy
Get details for a specific gas sponsorship policy by ID.
read-only
idempotent
sponsor-user-operation
Submit a user operation for ERC-4337 gas sponsorship, enabling gasless transactions.
Who This Is For
dApp Developer
Creates decentralized applications with gasless UX for end users.
Web3 Platform Engineer
Manages gas sponsorship infrastructure and ERC-4337 policies.
APIs Used
gas-manager