Skip to main contentA seller is an entity that wants to monetize APIs, content, prompts, data, or agents. x402 brings programmable payments from their customers (buyers) with minimal setup.
Benefits for the Buyer
- Ability to sell per-use or per-unit of service
- Ability to accept micropayments
- Ability to build for AI Agents and Prompting Tools
- Ability to delegate the blockchain complexity to a facilitator
- x402 can complement existing payment systems or serve as a standalone option
Transaction Fees
x402 utilizes EIP-3009, a gasless meta transaction protocol, that allows sellers to authorize the movement of some amount of funds without the need to have or pay for gas.
Some facilitators may charge a small fee for the use of their services, but this is typically a small percentage of the transaction amount and should be transparent to the seller up-front. 