{ "schema_version": "1.0", "kind": "x402-service-catalog", "hub": { "name": "x402.press", "url": "https://x402.press", "description": "Independent hub of x402 micropayment services. Every endpoint below is pay-per-call over the x402 two-round HTTP 402 handshake — no API keys, no accounts, no subscriptions.", "updated": "2026-08-31", "llms": "https://x402.press/llms.txt", "sitemap": "https://x402.press/sitemap.xml" }, "payments": { "protocol": "x402 (HTTP 402 payment-required handshake, x402Version 1 and 2)", "facilitator": "https://facilitator.x402.press", "facilitator_supported": "https://facilitator.x402.press/supported", "scheme": "exact", "assets": [ "USDC", "EURC" ], "chains": [ { "chain_id": "eip155:8453", "name": "Base", "assets": [ "USDC", "EURC" ] }, { "chain_id": "eip155:42161", "name": "Arbitrum", "assets": [ "USDC" ] }, { "chain_id": "eip155:137", "name": "Polygon", "assets": [ "USDC" ] }, { "chain_id": "eip155:43114", "name": "Avalanche", "assets": [ "USDC" ] }, { "chain_id": "eip155:1", "name": "Ethereum", "assets": [ "USDC" ] } ], "note": "EURC is accepted on Base; USDC on all listed chains. A client sends an unpaid request, receives 402 with payment requirements, then retries with the payment header." }, "stats": { "services": 19, "paid_operations": 91 }, "services": [ { "name": "agent-chat", "display_name": "Agent Chat", "url": "https://chat.x402.press", "archetype": "product-interface", "maturity": "stable", "tags": [ "chat", "agent", "gateway", "no-code", "x402" ], "description": "The user-facing gateway to the x402 ecosystem. Sign up with email, top up with USDC, and access specialized services through natural conversation — no wallet configuration, no API keys, no coding.", "pricing": { "model": "pay-per-interaction", "note": "billed from your USDC balance" }, "paid_operations": [], "free_endpoints": [], "docs": { "llms": "https://chat.x402.press/llms.txt", "about": "https://chat.x402.press" } }, { "name": "financial-analyst", "display_name": "Financial Analyst", "version": "0.1.0", "url": "https://financial-analyst.x402.press", "archetype": "function-toolkit", "maturity": "beta", "tags": [ "financial", "analytics", "equities", "valuation", "risk" ], "description": "Deterministic financial-analysis toolkit — data + compute operations behind x402 micropayments, with a machine-readable analyst persona.", "paid_operations": [ { "name": "quote", "method": "POST", "path": "/fa/quote", "kind": "data", "tier": "basic", "latency_class": "fast", "description": "Fetch a fundamentals snapshot for a symbol (price, 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"description": "Fetch FX rates (US 24h) from open.er-api (stamped midnight UTC).", "pricing": { "Base USDC/EURC": "$0.006125", "Arbitrum USDC": "$0.00525", "Polygon USDC": "$0.004375", "Avalanche USDC": "$0.00175", "Ethereum USDC": "$2.625" } }, { "name": "crypto_resolve", "method": "POST", "path": "/ta/crypto_resolve", "kind": "data", "tier": "basic", "latency_class": "fast", "description": "Resolve a crypto symbol to its CoinGecko id.", "pricing": { "Base USDC/EURC": "$0.006125", "Arbitrum USDC": "$0.00525", "Polygon USDC": "$0.004375", "Avalanche USDC": "$0.00175", "Ethereum USDC": "$2.625" } }, { "name": "crypto_chart", "method": "POST", "path": "/ta/crypto_chart", "kind": "data", "tier": "basic", "latency_class": "fast", "description": "Fetch CoinGecko OHLCV (normalized to the same shape as chart) for a coin.", "pricing": { "Base USDC/EURC": "$0.006125", "Arbitrum USDC": "$0.00525", "Polygon USDC": "$0.004375", "Avalanche USDC": "$0.00175", "Ethereum USDC": "$2.625" } }, { "name": 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No lookahead: signal on close(t) executes at open(t+1); whole-share accounting; metrics from a daily mark-to-market equity curve.", "pricing": { "Base USDC/EURC": "$0.006125", "Arbitrum USDC": "$0.00525", "Polygon USDC": "$0.004375", "Avalanche USDC": "$0.00175", "Ethereum USDC": "$2.625" } }, { "name": "options_brief", "method": "POST", "path": "/ta/options_brief", "kind": "compute", "tier": "basic", "latency_class": "fast", "description": "Deterministic option-chain analytics from a caller-supplied chain + spot: ATM straddle expected move, optional VIX-1SD cross-check, IV/delta ladder, 16-delta strangle, and a sample iron-condor credit/max-loss/risk-reward.", "pricing": { "Base USDC/EURC": "$0.006125", "Arbitrum USDC": "$0.00525", "Polygon USDC": "$0.004375", "Avalanche USDC": "$0.00175", "Ethereum USDC": "$2.625" } } ], "free_endpoints": [ { "method": "GET", "path": "/ta/tools", "description": "list all operations with input schemas" }, { "method": "GET", "path": "/ta/feedback", "description": "50 most recent feedback entries" }, { "method": "POST", "path": "/ta/feedback", "description": "submit feedback" } ], "docs": { "llms": "https://trade-analyst.x402.press/llms.txt", "manifest": "https://trade-analyst.x402.press/.well-known/x402.json", "tools": "https://trade-analyst.x402.press/tools", "openapi": "https://trade-analyst.x402.press/openapi.json", "about": "https://trade-analyst.x402.press/about", "persona": "https://trade-analyst.x402.press/persona" }, "workflows": [ { "name": "trade-read", "intent": "fast trade-ready technical view" }, { "name": "technical-deep-dive", "intent": "full indicator stack on a name" }, { "name": "crypto-scan", "intent": "crypto technical + price read" }, { "name": "fundamental-context", "intent": "attach valuation to a technical view" }, { "name": "liquidity-read", "intent": "order-book / depth view" }, { "name": "strategy-backtest", "intent": "validate a trading strategy" }, { "name": "options-brief", "intent": "0DTE / expiry 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"method": "POST", "path": "/v1/build/manage-tx", "kind": "assembly", "tier": "basic", "latency_class": "fast", "description": "Build the unsigned transaction to adjust or close an open position (actions: close, increase_leverage, add/remove_collateral, repay, borrow).", "pricing": { "Base USDC/EURC": "$0.006125", "Arbitrum USDC": "$0.00525", "Polygon USDC": "$0.004375", "Avalanche USDC": "$0.00175", "Ethereum USDC": "$2.625" } } ], "free_endpoints": [ { "method": "GET", "path": "/v1/strategies", "description": "List all leverage strategies" }, { "method": "POST", "path": "/v1/strategies", "description": "List strategies with filters" }, { "method": "GET", "path": "/v1/strategies/{strategy_id}", "description": "Detail for one strategy (Morpho market id)" }, { "method": "GET", "path": "/v1/prices", "description": "Current token/loan USD prices" }, { "method": "POST", "path": "/v1/simulate", "description": "Deterministic preview of a leveraged position (no wallet)" }, { "method": "GET", "path": "/v1/positions/{address}", "description": "A wallet's open/closed positions" }, { "method": "GET", "path": "/tools", "description": "list all operations with input schemas" }, { "method": "GET", "path": "/feedback", "description": "recent feedback entries" }, { "method": "POST", "path": "/feedback", "description": "submit feedback" } ], "docs": { "llms": "https://spiralstake.x402.press/llms.txt", "manifest": "https://spiralstake.x402.press/.well-known/x402.json", "tools": "https://spiralstake.x402.press/tools", "openapi": "https://spiralstake.x402.press/openapi.json", "about": "https://spiralstake.x402.press/about", "persona": "https://spiralstake.x402.press/persona" }, "workflows": [ { "name": "discover-best-yield", "intent": "find the highest risk-adjusted leverage opportunity across strategies" }, { "name": "research-strategy", "intent": "understand a single strategy's market, risk, and expected outcome before any commitment" }, { "name": "open-position", "intent": "prepare an unsigned transaction to open a leveraged-yield or leveraged-long position" }, { "name": "manage-or-close", "intent": "adjust an open position's leverage or collateral, or close it" } ] }, { "name": "deepseek", "display_name": "DeepSeek", "version": "0.1.0", "url": "https://deepseek.x402.press", "archetype": "simple-inference", "maturity": "stable", "tags": [ "inference", "deepseek", "llm", "ai", "x402", "openai-compatible" ], "description": "DeepSeek AI inference without an API key or credit card. 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Additional OpenAI parameters (temperature, max_tokens, top_p, frequency_penalty, presence_penalty, stop, etc.) are forwarded.", "pricing": { "Base USDC/EURC": "$0.00875", "Arbitrum USDC": "$0.0075", "Polygon USDC": "$0.00625", "Avalanche USDC": "$0.0025", "Ethereum USDC": "$3.75" } } ], "free_endpoints": [ { "method": "GET", "path": "/v1/models", "description": "List available models (deepseek-v4-flash, deepseek-v4-pro)" }, { "method": "GET", "path": "/deepseek/feedback", "description": "Return the 50 most recent feedback entries" }, { "method": "POST", "path": "/deepseek/feedback", "description": "Submit feedback (response_id, rating 1-5, optional comment)" } ], "docs": { "llms": "https://deepseek.x402.press/llms.txt", "manifest": "https://deepseek.x402.press/.well-known/x402.json", "tools": "https://deepseek.x402.press/tools", "openapi": "https://deepseek.x402.press/openapi.json", "about": "https://deepseek.x402.press/about" } }, { "name": "qwen", "display_name": "Qwen", "version": "0.1.0", "url": "https://qwen.x402.press", "archetype": "simple-inference", "maturity": "stable", "tags": [ "inference", "qwen", "llm", "ai", "x402", "openai-compatible" ], "description": "Qwen AI inference without an API key or credit card. 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Additional OpenAI parameters (temperature, max_tokens, top_p, frequency_penalty, presence_penalty, stop, etc.) are forwarded.", "pricing": { "Base USDC/EURC": "$0.00875", "Arbitrum USDC": "$0.0075", "Polygon USDC": "$0.00625", "Avalanche USDC": "$0.0025", "Ethereum USDC": "$3.75" } } ], "free_endpoints": [ { "method": "GET", "path": "/v1/models", "description": "List available models (qwen3.8-flash, qwen3.8-max)" }, { "method": "GET", "path": "/qwen/feedback", "description": "Return the 50 most recent feedback entries" }, { "method": "POST", "path": "/qwen/feedback", "description": "Submit feedback (response_id, rating 1-5, optional comment)" } ], "docs": { "llms": "https://qwen.x402.press/llms.txt", "manifest": "https://qwen.x402.press/.well-known/x402.json", "tools": "https://qwen.x402.press/tools", "openapi": "https://qwen.x402.press/openapi.json", "about": "https://qwen.x402.press/about" } }, { "name": "weather", "display_name": "Weather", "version": "0.2.0", "url": "https://weather.x402.press", "archetype": "data-fan-out", "maturity": "stable", "tags": [ "weather", "forecast", "climate", "nature", "earthquake", "volcano", "air-quality", "data", "x402" ], "description": "A complete weather intelligence library. 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