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snapapi

by boehner

Give your agent web intelligence — screenshot any URL, extract structured page data, detect page changes, and analyze websites via the SnapAPI REST API.

4.5k平台与服务未扫描2026年3月23日

安装

claude skill add --url github.com/openclaw/skills/tree/main/skills/boehner/snapapi

必需环境变量

SNAPAPI_API_KEY

文档

SnapAPI — Web Intelligence for AI Agents

SnapAPI gives your agent eyes on the internet. One API, six capabilities:

Base URL: https://snapapi.tech Auth: X-API-Key: $SNAPAPI_API_KEY Free tier: 100 requests/month — get a key at https://snapapi.tech

Screenshot any URL

bash
curl "https://snapapi.tech/v1/screenshot?url=https://example.com&format=png" \
  -H "X-API-Key: $SNAPAPI_API_KEY" \
  --output screenshot.png

Options: format=png|jpeg|webp, fullPage=true, darkMode=true, width=1280, height=800

Analyze a page (structured intelligence)

bash
curl "https://snapapi.tech/v1/analyze?url=https://example.com" \
  -H "X-API-Key: $SNAPAPI_API_KEY"

Returns:

json
{
  "title": "Example Domain",
  "description": "...",
  "headings": [{ "level": 1, "text": "..." }],
  "links": [{ "text": "More info", "href": "https://..." }],
  "text_content": "...",
  "forms": [],
  "technologies": ["nginx"],
  "load_time_ms": 832
}

Use this when your agent needs to understand a page, not just see it.

Extract metadata (fast — no full render)

bash
curl "https://snapapi.tech/v1/metadata?url=https://example.com" \
  -H "X-API-Key: $SNAPAPI_API_KEY"

Returns: title, description, OG tags, Twitter card, favicon, canonical URL. Faster than /analyze — use for link previews and SEO research.

Generate a PDF

bash
curl "https://snapapi.tech/v1/pdf?url=https://example.com" \
  -H "X-API-Key: $SNAPAPI_API_KEY" \
  --output page.pdf

Options: format=A4|Letter, landscape=true, margin=20

Render HTML to image

Useful for generating OG images, email previews, or screenshots from dynamic HTML:

bash
curl -X POST "https://snapapi.tech/v1/render" \
  -H "X-API-Key: $SNAPAPI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"html": "<h1 style=\"color:blue\">Hello</h1>", "width": 800, "height": 400}'

Monitor a page for changes

bash
curl -X POST "https://snapapi.tech/v1/monitor" \
  -H "X-API-Key: $SNAPAPI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url": "https://competitor.com/pricing", "interval": "1h", "webhook": "https://your-server.com/hook"}'

Fires a webhook when content changes — use for competitor price tracking, compliance monitoring, stock signals.

Batch process multiple URLs

bash
curl -X POST "https://snapapi.tech/v1/batch" \
  -H "X-API-Key: $SNAPAPI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"urls": ["https://a.com", "https://b.com"], "action": "screenshot"}'

Check your usage

bash
curl "https://snapapi.tech/v1/usage" \
  -H "X-API-Key: $SNAPAPI_API_KEY"

Returns: { "used": 23, "limit": 100, "tier": "free", "resets": "2026-04-01" }

Agent prompting examples

code
Use snapapi to screenshot https://news.ycombinator.com and describe the top 5 stories.
code
Use snapapi_analyze on https://competitor.com and tell me their primary CTA and pricing structure.
code
Use snapapi to monitor https://example.com/pricing every hour and alert me when the price changes.
code
Use snapapi to batch-screenshot these 5 URLs and compare their layouts.

Works great with

  • OpenClaw — install the native plugin: openclaw plugins install snapapi
  • LangChain — use as a tool via the REST API
  • n8n — HTTP Request node pointing to any endpoint
  • AutoGPT / any agent — standard REST, no SDKs required

Full docs: https://snapapi.tech/docs Get your free API key: https://snapapi.tech

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