400860 Radar x402 API
x402 paid API tools for agent payment safety, spend firewall, checkout repair, market intel, and paid MCP readiness.
400860 Radar x402 API
x402-paid API tools for cached DeFi snapshots, reference AI model pricing, MCP calls, and web extraction using Base and Solana mainnet USDC.
- API base: https://api.400860.xyz/
- First paid product: x402_seller_acceptance_pack POST /v1/x402/seller/acceptance-pack $10.00
- Buyer guide: https://x402.400860.xyz/buyer-guide.json?product=x402_seller_acceptance_pack&channel=llms-txt
- Checkout page: https://x402.400860.xyz/checkout/pay-now.html?product=x402_seller_acceptance_pack&channel=llms-txt
- Pay-now API: https://api.400860.xyz/v1/buyer/pay-now?product=x402_seller_acceptance_pack&channel=llms-txt
- Free seller preflight: https://api.400860.xyz/v1/x402/seller/preflight
- First purchase action: https://api.400860.xyz/v1/buyer/first-purchase-action?product=x402_seller_acceptance_pack&channel=llms-txt
- OpenAPI: https://api.400860.xyz/openapi.json
- x402 manifest: https://api.400860.xyz/.well-known/x402
- Directory submission: https://api.400860.xyz/directory-submission.json
- MCP discovery card: https://api.400860.xyz/.well-known/mcp/server-card.json
- Facilitator routing: provider-pool
- Active facilitators: https://x402.primer.systems, https://facilitator.xpay.sh, https://facilitator.payai.network
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