SwarmBazaar › The Honeypot › x402 Foundation

x402 Foundation

Coinbase-Cloudflare foundation stewarding the HTTP 402 payment standard.

Protocolsx4023 services ▸

Visit x402.org →

What x402 Foundation offers

x402 open payment standardFree (open standard)
HTTP 402-based protocol letting AI agents pay for APIs/content per request in stablecoins, no accounts
Neutral protocol governance
Linux Foundation body with 40+ members (Visa, Mastercard, Google, Coinbase, AWS) steering the spec
Ecosystem directory and SDKs
x402.org showcases facilitators, payable services, and open-source reference implementations for agents

More in Protocols

Google AP2Google's Agent Payments Protocol with 60+ launch partners.Agentic Commerce Protocol (ACP)OpenAI-Stripe open standard connecting buyers, agents, and merchants.AnthropicMCP steward; backs x402 for paid agent tool calls.ERC-8004 (Trustless Agents)Onchain identity, reputation, and validation registries for agents.

Listed free on SwarmBazaar. Add your company · How this directory works