{"info":{"title":"Fuchss","version":"1.0.0"},"openapi":"3.1.0","paths":{"/v1/semantic-search":{"post":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"1000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Fuchss: V1 Semantic Search","intent":"charge","method":"evm","recipient":"0xbBECBE90F28632a9d52ed67b33b43767b8c89285"}]},"summary":"Semantic search across the entire monitored x402 catalog. Given a free-text query (e.g. \"weather forecast\", \"image generation\", \"EVM gas price oracle\"), returns the closest endpoints by advertised purpose. Ranking is deterministic: cosine similarity bucketed to whole percentage points first (80.3% and 80.5% are the same bucket), then trust score, then described-before-undescribed, then endpoint id"},"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"1000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Fuchss: V1 Semantic Search","intent":"charge","method":"evm","recipient":"0xbBECBE90F28632a9d52ed67b33b43767b8c89285"}]},"summary":"Semantic search across the entire monitored x402 catalog. Given a free-text query (e.g. \"weather forecast\", \"image generation\", \"EVM gas price oracle\"), returns the closest endpoints by advertised purpose. Ranking is deterministic: cosine similarity bucketed to whole percentage points first (80.3% and 80.5% are the same bucket), then trust score, then described-before-undescribed, then endpoint id"}},"/v1/similar":{"post":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"5000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Fuchss: V1 Similar","intent":"charge","method":"evm","recipient":"0xbBECBE90F28632a9d52ed67b33b43767b8c89285"}]},"summary":"Find better alternatives to an x402 endpoint. Given a resource URL, returns the top semantically-similar endpoints (matched on advertised purpose via description embeddings) that currently OUT-SCORE it on our deterministic trust score — so an agent about to pay a mediocre endpoint can discover a more reliable, better-settled one serving the same function. Each result carries its trust score, grade"},"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"5000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Fuchss: V1 Similar","intent":"charge","method":"evm","recipient":"0xbBECBE90F28632a9d52ed67b33b43767b8c89285"}]},"summary":"Find better alternatives to an x402 endpoint. Given a resource URL, returns the top semantically-similar endpoints (matched on advertised purpose via description embeddings) that currently OUT-SCORE it on our deterministic trust score — so an agent about to pay a mediocre endpoint can discover a more reliable, better-settled one serving the same function. Each result carries its trust score, grade"}},"/v1/watch-endpoint-30d":{"post":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"200000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Fuchss: V1 Watch Endpoint 30d","intent":"charge","method":"evm","recipient":"0xbBECBE90F28632a9d52ed67b33b43767b8c89285"}]},"summary":"Monitor ONE x402 endpoint for 30 days and get alerted on changes that break agents: payTo changes (critical — possible takeover/rug), price changes, asset/network changes, 402-spec regressions, delisting, and liveness (down/recovered). Account-free: pay, receive a one-time secret + poll URL. Push to multiple signed HTTPS webhooks and/or Slack/Discord incoming webhooks (up to 5 each per watch). Eve"},"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"200000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Fuchss: V1 Watch Endpoint 30d","intent":"charge","method":"evm","recipient":"0xbBECBE90F28632a9d52ed67b33b43767b8c89285"}]},"summary":"Monitor ONE x402 endpoint for 30 days and get alerted on changes that break agents: payTo changes (critical — possible takeover/rug), price changes, asset/network changes, 402-spec regressions, delisting, and liveness (down/recovered). Account-free: pay, receive a one-time secret + poll URL. Push to multiple signed HTTPS webhooks and/or Slack/Discord incoming webhooks (up to 5 each per watch). Eve"}},"/v1/x402-history":{"post":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"20000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Fuchss: V1 X402 History","intent":"charge","method":"evm","recipient":"0xbBECBE90F28632a9d52ed67b33b43767b8c89285"}]},"summary":"Raw observation history for any publicly listed x402 endpoint: discovery snapshots (listed/delisted/relisted, price changes, payTo changes) and probe time-series (uptime, latency, quoted amount) over the requested window (1-90 days)."},"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"20000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Fuchss: V1 X402 History","intent":"charge","method":"evm","recipient":"0xbBECBE90F28632a9d52ed67b33b43767b8c89285"}]},"summary":"Raw observation history for any publicly listed x402 endpoint: discovery snapshots (listed/delisted/relisted, price changes, payTo changes) and probe time-series (uptime, latency, quoted amount) over the requested window (1-90 days)."}},"/v1/x402-trust":{"post":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"5000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Fuchss: V1 X402 Trust","intent":"charge","method":"evm","recipient":"0xbBECBE90F28632a9d52ed67b33b43767b8c89285"}]},"summary":"Trust score (0-100, grade A-F) for any x402 endpoint -- listed in our catalog or not. Unlike uptime-only checkers, we return ECONOMIC PROOF: the REAL on-chain USDC settlement volume and distinct-payer count for the endpoint's payTo address -- is anyone actually paying it, or is it just live? Computed deterministically from continuous monitoring: 30d probe uptime, 402-envelope spec compliance, late"},"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"5000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Fuchss: V1 X402 Trust","intent":"charge","method":"evm","recipient":"0xbBECBE90F28632a9d52ed67b33b43767b8c89285"}]},"summary":"Trust score (0-100, grade A-F) for any x402 endpoint -- listed in our catalog or not. Unlike uptime-only checkers, we return ECONOMIC PROOF: the REAL on-chain USDC settlement volume and distinct-payer count for the endpoint's payTo address -- is anyone actually paying it, or is it just live? Computed deterministically from continuous monitoring: 30d probe uptime, 402-envelope spec compliance, late"}}},"x-service-info":{"description":"Fuchss is an x402-native service at https://x402.fuchss.app, indexed from the x402 Bazaar (Coinbase's public discovery directory). It charges callers itself in USDC on Base and is paid directly at its own wallet; Monex Protocol passes your request and payment headers through untouched. 5 endpoints listed."}}