{ "x402Version": 2, "id": 33236, "slug": "33236", "resource": "https://horizonpulse.dev/api/extract", "description": "Web page to structured fields. Use when you need specific data from a page, not its full text. GET with required url, or POST JSON {url or html, fields}. Returns JSON: title, description, canonical, language, links, images, headings, jsonLd, textSample, and with fields (map of name to CSS selector, max 20) the matched values with fieldErrors. Caps: 200KB HTML, 8s; private targets blocked. If no requested field matches it returns 422 and is not charged. Errors are not charged.", "type": "http", "serviceName": "Horizon Pulse", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790623595/bazaar-icons/2ff6a4fc61cbe047.png", "resourceType": "Agent Service", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0x5b32c973596078a967562ca652761404f19be0e9", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "15000", "amountUsd": 0.015, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "payTo": "BjY98A6dS3GGLZdz2zHy8wK7XAwnQgNhCc66mfmBTRPz", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "amount": "15000", "amountUsd": 0.015, "maxTimeoutSeconds": 300 } ], "outputSchema": { "properties": { "example": { "description": "Horizon Pulse structured HTML extract result. The example is a trimmed real response recorded from GET /api/demo/extract at 2026-10-01T14:36Z UTC; live values differ on every call.", "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" }, "extensions": { "bazaar": { "info": { "input": { "method": "GET", "queryParams": { "url": "https://horizonpulse.dev" }, "type": "http" }, "output": { "example": { "description": "Pay-per-call APIs for AI agents via x402 on Base: web fetch, HTTP proxy, page extract, and crypto market data.", "elapsedMs": 120, "fieldErrors": {}, "fields": { "heading": "Pay-per-call APIsbuilt for agents.", "links": [ "https://horizonpulse.dev/", "https://horizonpulse.dev/#catalog", "https://horizonpulse.dev/#how" ] }, "finalUrl": "https://horizonpulse.dev/", "headings": [ { "level": 1, "text": "Pay-per-call APIs built for agents." }, { "level": 2, "text": "Thirteen routes. One protocol." } ], "language": "en", "links": [ { "href": "https://horizonpulse.dev/", "text": "Horizon Pulse" }, { "href": "https://horizonpulse.dev/#catalog", "text": "Catalog" } ], "matchedFields": 2, "ok": true, "requestedFields": 2, "textSample": "# Horizon Pulse\n\nLive on Base · x402 v2\n# Pay-per-call APIs\n built for agents.\n\n13 routes for market data, the web and d…", "title": "Horizon Pulse", "url": "https://horizonpulse.dev/" }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "method": { "enum": [ "GET" ], "type": "string" }, "queryParams": { "properties": { "fields": { "description": "Optional CSS-selector fields (max 20) as a URL-encoded JSON object string: map of name to selector string or {selector, attr?: \"text\"|\"html\"|, all?: boolean, limit?: 1-50}, e.g. {\"heading\":\"h1\"}. Missing fields come back null with fieldErrors; if none match, 422 no_fields_matched and no charge.", "type": "string" }, "html": { "description": "POST /api/extract JSON body only (ignored on GET): raw HTML to parse instead of fetching (size-capped). If both url and html are sent, html is parsed and url is echoed.", "type": "string" }, "url": { "description": "Absolute http(s) URL to fetch and extract (required on GET; on POST send url or html in the JSON body). Private/localhost blocked.", "type": "string" } }, "required": [ "url" ], "type": "object" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method" ], "type": "object" }, "output": { "properties": { "example": { "description": "Horizon Pulse structured HTML extract result. The example is a trimmed real response recorded from GET /api/demo/extract at 2026-10-01T14:36Z UTC; live values differ on every call.", "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } } }, "tags": [ "web", "extract", "structured-data", "css-selectors", "json-ld", "bazaar" ], "sourceHost": "horizonpulse.dev", "lastUpdated": "2026-10-09T15:20:27.41Z", "quality": { "calls30d": 3, "uniquePayers30d": 1, "lastCalledAt": "2026-10-09T15:20:27.253Z" }, "metadata": { "serviceName": "Horizon Pulse", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1790623595/bazaar-icons/2ff6a4fc61cbe047.png", "extensions": { "bazaar": { "info": { "input": { "method": "GET", "queryParams": { "url": "https://horizonpulse.dev" }, "type": "http" }, "output": { "example": { "description": "Pay-per-call APIs for AI agents via x402 on Base: web fetch, HTTP proxy, page extract, and crypto market data.", "elapsedMs": 120, "fieldErrors": {}, "fields": { "heading": "Pay-per-call APIsbuilt for agents.", "links": [ "https://horizonpulse.dev/", "https://horizonpulse.dev/#catalog", "https://horizonpulse.dev/#how" ] }, "finalUrl": "https://horizonpulse.dev/", "headings": [ { "level": 1, "text": "Pay-per-call APIs built for agents." }, { "level": 2, "text": "Thirteen routes. One protocol." } ], "language": "en", "links": [ { "href": "https://horizonpulse.dev/", "text": "Horizon Pulse" }, { "href": "https://horizonpulse.dev/#catalog", "text": "Catalog" } ], "matchedFields": 2, "ok": true, "requestedFields": 2, "textSample": "# Horizon Pulse\n\nLive on Base · x402 v2\n# Pay-per-call APIs\n built for agents.\n\n13 routes for market data, the web and d…", "title": "Horizon Pulse", "url": "https://horizonpulse.dev/" }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "method": { "enum": [ "GET" ], "type": "string" }, "queryParams": { "properties": { "fields": { "description": "Optional CSS-selector fields (max 20) as a URL-encoded JSON object string: map of name to selector string or {selector, attr?: \"text\"|\"html\"|, all?: boolean, limit?: 1-50}, e.g. {\"heading\":\"h1\"}. Missing fields come back null with fieldErrors; if none match, 422 no_fields_matched and no charge.", "type": "string" }, "html": { "description": "POST /api/extract JSON body only (ignored on GET): raw HTML to parse instead of fetching (size-capped). If both url and html are sent, html is parsed and url is echoed.", "type": "string" }, "url": { "description": "Absolute http(s) URL to fetch and extract (required on GET; on POST send url or html in the JSON body). Private/localhost blocked.", "type": "string" } }, "required": [ "url" ], "type": "object" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method" ], "type": "object" }, "output": { "properties": { "example": { "description": "Horizon Pulse structured HTML extract result. The example is a trimmed real response recorded from GET /api/demo/extract at 2026-10-01T14:36Z UTC; live values differ on every call.", "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } } } }, "liveness": { "reliability": null }, "verified": false, "featured": false, "provider": { "host": "horizonpulse.dev", "manifest_name": "horizonpulse.dev", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-10-14T01:15:01.050Z" }, "exampleResponse": { "example": {}, "type": "string" } }