GF Agent Toll Version 2.3.1 Canonical agent: https://api.gfpick.com Settlement core: https://gf-agent-toll.vercel.app Use the canonical agent URL for autonomous integrations. Start free: POST https://api.gfpick.com/free/gcc-profit-check Low-cost paid entry: POST https://api.gfpick.com/v1/sa/landed-cost = 0.25 USDC; POST https://api.gfpick.com/v1/gcc/opportunity-score = 0.75 USDC Unsigned paid discovery returns HTTP 402 before request-body schema validation; after signing, the real body is validated before execution. Premium: 2.50 / 5.00 / 12.00 USDC only when needed OpenAPI: https://api.gfpick.com/openapi.json x402: https://api.gfpick.com/.well-known/x402 Catalog: https://api.gfpick.com/.well-known/x402-catalog.json MCP: https://api.gfpick.com/mcp A2A: https://api.gfpick.com/.well-known/agent-card.json Identity: https://api.gfpick.com/identity JWKS: https://api.gfpick.com/.well-known/jwks.json Bazaar: https://api.gfpick.com/.well-known/x402-bazaar.json Compatibility: https://api.gfpick.com/.well-known/compatibility.json Payment capabilities: https://api.gfpick.com/payment-capabilities.json MCP stdio command: npm run mcp:stdio Developers: https://api.gfpick.com/developers AI Services: https://api.gfpick.com/.well-known/ai-services.json Landing page: https://api.gfpick.com/agent-tools Arabic landing: https://api.gfpick.com/ar/agent-tools