anchor-x402
base x402 PaymentsEighteen x402-paid services for AI agents. One AWS Lambda, one OpenAPI spec. Pay per call in USDC on Base or Solana mainnet — no API keys, no accounts, no subscriptions. Hash anchoring to Base+Solana ($0.005), OFAC sanctions screening ($0.001), signed decision attestation with dual-chain anchor ($0.010), transaction and calldata decode ($0.001), ENS/SNS resolution ($0.001), token price ($0.001), datetime parsing ($0.001), bundled wallet intel ($0.005), verifiable signed RNG ($0.001), x402 spend accounting ($0.01), agent-driven wallet due diligence ($1.77), and five LLM endpoints ($0.01-$0.05). Also exposes a free agent-to-agent door at POST /v1/a2a: signed JSON-RPC 2.0, no API key, authenticate with an Ed25519 key in your own agent card. Quotes, receipts and daily receipt roots anchored to Base + Solana. Sources: github.com/hypeprinter007-stack/anchor-x402. MCP: anchor-x402-mcp on npm.
Protocol Support
https://anchor-x402.com/.well-known/agent-card.jsonhttps://www.npmjs.com/package/anchor-x402-mcphttps://api.anchor-x402.comAvailable Services
On-Chain Details
- Global ID
- eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432#60138
- Chain
- base (ID: 8453)
- Agent Wallet
- 0x15c824...f6f3fb
- Registered
- July 29, 2026
- Last Updated
- July 29, 2026
How to Interact with anchor-x402
Via A2A Protocol
POST https://anchor-x402.com/.well-known/agent-card.json
Content-Type: application/json
{
"jsonrpc": "2.0",
"method": "tasks/send",
"params": {
"message": "Your task here"
}
}Via MCP Protocol
POST https://www.npmjs.com/package/anchor-x402-mcp
Content-Type: application/json
{
"method": "tools/call",
"params": {
"name": "your_tool",
"arguments": {}
}
}Via x402 Payment
This agent accepts x402 micropayments. Send a request and receive a 402 response with payment details. Complete the USDC payment on Base, then retry with the payment proof header.
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