{ "openapi": "3.1.0", "info": { "title": "SanHao Global Experts", "version": "1.0.0", "description": "897 business skills for brand strategy, restaurant operations, marketing, video scripting and crisis PR. Paid per call via x402 — 0.01 USDC per call, settled on-chain on Base. No API keys required.", "contact": { "name": "SanHao Global Experts", "email": "454157727@qq.com" }, "x-payment": { "x402Version": 2, "accepts": [ { "scheme": "exact", "network": "eip155:8453", "amount": "10000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x93215E03d66B49bA03c015B4f7c103dD102E39A7", "maxTimeoutSeconds": 120, "extra": { "name": "USDC", "version": "2" } } ] }, "x-fiat-settlement": { "provider": "LianLian Global Acquiring", "accountType": "Hong Kong USD virtual account", "currency": "USD", "bankName": "OCBC Bank (HK) Limited", "bankLocation": "Hong Kong, China", "bankAddress": "161 Queen's Road Central, Central", "swiftBic": "WIHBHKHHXXX", "bankCode": "035", "branchCode": "888", "accountNumber": "888000205074961", "accountHolder": "SanHao Global Experts (Wu Peng)", "note": "Settlement account bound to LianLian Global Acquiring. Bank-transfer purchases require a proforma invoice first; unsolicited wires are not accepted.", "invoiceContact": "454157727@qq.com" } }, "servers": [ { "url": "https://sanhaoyoung821208-d5dv139af0958c.service.tcloudbase.com", "description": "SanHao Global Experts A2A / MCP gateway" } ], "paths": { "/a2a": { "get": { "summary": "x402 payment challenge — service discovery (GET returns HTTP 402)", "description": "Unpaid GET on this route returns HTTP 402 with the x402 challenge (scheme, network, asset, amount, payTo). Use POST for actual work. Send X-Expert-Tier: free on POST for the zero-cost methodology brief.", "x-payment": { "x402Version": 2, "accepts": [ { "scheme": "exact", "network": "eip155:8453", "amount": "10000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x93215E03d66B49bA03c015B4f7c103dD102E39A7", "maxTimeoutSeconds": 120, "extra": { "name": "USDC", "version": "2" } } ] }, "x-payment-info": { "x402Version": 2, "accepts": [ { "scheme": "exact", "network": "eip155:8453", "amount": "10000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x93215E03d66B49bA03c015B4f7c103dD102E39A7", "maxTimeoutSeconds": 120, "extra": { "name": "USDC", "version": "2" } } ] }, "parameters": [ { "name": "query", "in": "query", "required": false, "schema": { "type": "string" }, "description": "Optional natural-language task description used to scope the analysis." } ], "responses": { "200": { "description": "Service description (free)", "content": { "application/json": { "schema": { "type": "object" } } } }, "402": { "description": "Payment required — x402 challenge", "content": { "application/json": { "schema": { "type": "object" } } } } } }, "post": { "summary": "A2A v1.0 message/send — run a paid skill analysis", "description": "Send an A2A message. Unpaid requests receive HTTP 402 with an x402 challenge; pay 0.01 USDC on Base and retry with the PAYMENT-SIGNATURE header to receive the finished deliverable. Send X-Expert-Tier: free for the zero-cost methodology brief.", "x-payment": { "x402Version": 2, "accepts": [ { "scheme": "exact", "network": "eip155:8453", "amount": "10000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x93215E03d66B49bA03c015B4f7c103dD102E39A7", "maxTimeoutSeconds": 120, "extra": { "name": "USDC", "version": "2" } } ] }, "x-payment-info": { "x402Version": 2, "accepts": [ { "scheme": "exact", "network": "eip155:8453", "amount": "10000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x93215E03d66B49bA03c015B4f7c103dD102E39A7", "maxTimeoutSeconds": 120, "extra": { "name": "USDC", "version": "2" } } ] }, "requestBody": { "required": true, "content": { "application/json": { "schema": { "type": "object", "properties": { "jsonrpc": { "type": "string" }, "id": { "type": "string" }, "method": { "type": "string", "enum": [ "message/send", "message/stream" ] }, "params": { "type": "object" } } } } } }, "responses": { "200": { "description": "Task result (analysis artifact)", "content": { "application/json": { "schema": { "type": "object" } } } }, "402": { "description": "Payment required — x402 challenge", "content": { "application/json": { "schema": { "type": "object" } } } } } } }, "/a2a/mcp": { "get": { "summary": "x402 payment challenge — MCP endpoint discovery (GET returns HTTP 402)", "description": "Unpaid GET on this MCP route returns HTTP 402 with the x402 challenge. Use POST for JSON-RPC (initialize / tools/list / tools/call). tools/list is free; tools/call on the paid tier returns the deliverable.", "x-payment": { "x402Version": 2, "accepts": [ { "scheme": "exact", "network": "eip155:8453", "amount": "10000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x93215E03d66B49bA03c015B4f7c103dD102E39A7", "maxTimeoutSeconds": 120, "extra": { "name": "USDC", "version": "2" } } ] }, "x-payment-info": { "x402Version": 2, "accepts": [ { "scheme": "exact", "network": "eip155:8453", "amount": "10000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x93215E03d66B49bA03c015B4f7c103dD102E39A7", "maxTimeoutSeconds": 120, "extra": { "name": "USDC", "version": "2" } } ] }, "parameters": [ { "name": "tool", "in": "query", "required": false, "schema": { "type": "string" }, "description": "Optional tool slug to describe (one of 897)." } ], "responses": { "200": { "description": "Endpoint description (free)", "content": { "application/json": { "schema": { "type": "object" } } } }, "402": { "description": "Payment required — x402 challenge", "content": { "application/json": { "schema": { "type": "object" } } } } } }, "post": { "summary": "MCP tools/call — 897 paid tools over Streamable HTTP", "description": "MCP JSON-RPC endpoint. tools/list returns all 897 tools (12 flagship experts + 885 long-tail playbooks). tools/call on a paid tier returns the finished deliverable; free tier returns the brief only.", "x-payment": { "x402Version": 2, "accepts": [ { "scheme": "exact", "network": "eip155:8453", "amount": "10000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x93215E03d66B49bA03c015B4f7c103dD102E39A7", "maxTimeoutSeconds": 120, "extra": { "name": "USDC", "version": "2" } } ] }, "x-payment-info": { "x402Version": 2, "accepts": [ { "scheme": "exact", "network": "eip155:8453", "amount": "10000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x93215E03d66B49bA03c015B4f7c103dD102E39A7", "maxTimeoutSeconds": 120, "extra": { "name": "USDC", "version": "2" } } ] }, "requestBody": { "required": true, "content": { "application/json": { "schema": { "type": "object", "properties": { "jsonrpc": { "type": "string" }, "id": { "type": "string" }, "method": { "type": "string", "enum": [ "tools/list", "tools/call" ] }, "params": { "type": "object" } } } } } }, "responses": { "200": { "description": "MCP result", "content": { "application/json": { "schema": { "type": "object" } } } }, "402": { "description": "Payment required — x402 challenge", "content": { "application/json": { "schema": { "type": "object" } } } } } } }, "/a2a/deep": { "get": { "summary": "x402 payment challenge — deep-dive report (GET returns HTTP 402)", "description": "Premium tier for human buyers: a full consulting-grade deep-dive report (1200+ words, prioritised action plan, 30/60/90-day roadmap). Unpaid GET returns HTTP 402 with the x402 challenge. Use POST to place the order. Standard tier (0.01 USDC) stays available on /a2a for agents.", "x-payment": { "x402Version": 2, "accepts": [ { "scheme": "exact", "network": "eip155:8453", "amount": "290000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x93215E03d66B49bA03c015B4f7c103dD102E39A7", "maxTimeoutSeconds": 120, "extra": { "name": "USDC", "version": "2" } } ] }, "x-payment-info": { "x402Version": 2, "accepts": [ { "scheme": "exact", "network": "eip155:8453", "amount": "290000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x93215E03d66B49bA03c015B4f7c103dD102E39A7", "maxTimeoutSeconds": 120, "extra": { "name": "USDC", "version": "2" } } ] }, "parameters": [ { "name": "topic", "in": "query", "required": false, "schema": { "type": "string" }, "description": "Brief description of the decision or problem to analyse." } ], "responses": { "200": { "description": "Endpoint description (free)", "content": { "application/json": { "schema": { "type": "object" } } } }, "402": { "description": "Payment required — x402 challenge (2.9 USDC)", "content": { "application/json": { "schema": { "type": "object" } } } } } }, "post": { "summary": "Deep-dive report — 2.9 USDC consulting-grade deliverable", "description": "Order a full deep-dive report on your topic. Pay 2.9 USDC on Base and retry with the PAYMENT-SIGNATURE header to receive the finished report (1200+ words: diagnosis, frameworks, prioritised action plan with owners and timelines, worked numbers, risks, 30/60/90-day roadmap). The same brief is free on /a2a with X-Expert-Tier: free.", "x-payment": { "x402Version": 2, "accepts": [ { "scheme": "exact", "network": "eip155:8453", "amount": "290000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x93215E03d66B49bA03c015B4f7c103dD102E39A7", "maxTimeoutSeconds": 120, "extra": { "name": "USDC", "version": "2" } } ] }, "x-payment-info": { "x402Version": 2, "accepts": [ { "scheme": "exact", "network": "eip155:8453", "amount": "290000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x93215E03d66B49bA03c015B4f7c103dD102E39A7", "maxTimeoutSeconds": 120, "extra": { "name": "USDC", "version": "2" } } ] }, "requestBody": { "required": true, "content": { "application/json": { "schema": { "type": "object", "properties": { "jsonrpc": { "type": "string" }, "id": { "type": "string" }, "method": { "type": "string", "enum": [ "message/send", "message/stream" ] }, "params": { "type": "object" } } } } } }, "responses": { "200": { "description": "Task result (deep-dive report)", "content": { "application/json": { "schema": { "type": "object" } } } }, "402": { "description": "Payment required — x402 challenge (2.9 USDC)", "content": { "application/json": { "schema": { "type": "object" } } } } } } }, "/a2a/experts/{slug}": { "get": { "summary": "Free methodology brief for any skill (no charge, no model execution)", "parameters": [ { "name": "slug", "in": "path", "required": true, "schema": { "type": "string" }, "description": "Skill slug" } ], "responses": { "200": { "description": "Free brief + pricing info", "content": { "application/json": { "schema": { "type": "object" } } } } } } }, "/a2a/skills": { "get": { "summary": "Free catalog of all 885 long-tail skills", "parameters": [ { "name": "q", "in": "query", "required": false, "schema": { "type": "string" } } ], "responses": { "200": { "description": "Skill catalog", "content": { "application/json": { "schema": { "type": "object" } } } } } } } }, "x-tags": [ "marketing", "brand-strategy", "restaurant", "business", "a2a", "mcp", "x402", "paid" ] }