🤖 x402 Protocol Revives 30-Year-Old HTTP Payment Code
🤖 x402 Protocol Revives 30-Year-Old HTTP Payment Code
🤖 Forgotten Web Code
x402 protocol is bringing the forgotten HTTP 402 "Payment Required" status code back to life after 30 years of dormancy.
Key Features:
- Machine-native billing standard for AI agents
- Enables per-request payments without accounts or API keys
- Supports payments for data access, compute, and API queries
- Backed by Coinbase and Cloudflare
How it works: 1. Agent requests paid resource 2. Server responds with HTTP 402 + payment details 3. USDC payment processed through facilitator 4. Access granted instantly upon verification
The Graph Integration: The Graph's data infrastructure provides the verifiable, queryable blockchain data that x402 transactions require. Their GraphTally already implements similar microtransactions at the protocol layer.
Combined Impact:
- x402 = open payment rail for agents
- The Graph = open data rail for decisions
- Together = autonomous systems that think, pay, and verify
This creates a machine-driven economy where AI agents can autonomously transact using stablecoins across multiple chains including Base, Solana, and Polygon.
HTTP 402 was written into the web 30 years ago as a payment error message: ‘Payment Required’. Nobody developed it… Until now. x402 is bringing it back to life for AI agents, A2A and dapps and it’s a major step for crypto-native payments. A standard for agent payments. The
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