Structured understanding of any webpage — page type, primary CTA (text + href), navigation, buttons, forms, headings, images, links, word count, load time, OG metadata, and detected technologies. DOM-based, no AI. Optional screenshot=true for a base64 PNG in the same browser session.

Copycurl "https://snapapi.tech/v1/analyze?url=stripe.com" \
  -H "x-api-key: YOUR_KEY"

# With interact — click pricing tab before capturing
curl "https://snapapi.tech/v1/analyze?url=stripe.com&interact=%5B%7B%22action%22%3A%22click%22%2C%22selector%22%3A%22%23pricing%22%7D%5D" \
  -H "x-api-key: YOUR_KEY"

Copyconst res = await fetch(
  "https://snapapi.tech/v1/analyze?url=stripe.com",
  { headers: { "x-api-key": "YOUR_KEY" } }
);
const data = await res.json();

console.log(data.page_type);          // "landing"
console.log(data.primary_cta.text);   // "Start now"
console.log(data.technologies);        // ["react", "stripe", "google-analytics"]
console.log(data.word_count);          // 1432
console.log(data.load_time_ms);        // 980

// With interact — click a tab, then wait 500ms
const res2 = await fetch(
  "https://snapapi.tech/v1/analyze?" + new URLSearchParams({
    url: "stripe.com",
    interact: JSON.stringify([
      { action: "click", selector: "#pricing" },
      { action: "wait", ms: 500 }
    ])
  }),
  { headers: { "x-api-key": "YOUR_KEY" } }
);

Copyimport requests, json

r = requests.get(
    "https://snapapi.tech/v1/analyze",
    params={"url": "stripe.com"},
    headers={"x-api-key": "YOUR_KEY"}
)
data = r.json()

print(data["page_type"])           # landing
print(data["primary_cta"]["text"]) # Start now
print(data["technologies"])         # ["react", "stripe", "google-analytics"]
print(data["word_count"])           # 1432
print(data["load_time_ms"])         # 980

Example response

{
  "url": "https://stripe.com",
  "load_time_ms": 980,
  "title": "Stripe | Financial Infrastructure for the Internet",
  "description": "Stripe powers online and in-person payment processing...",
  "page_type": "landing",
  "primary_cta": { "text": "Start now", "href": "https://stripe.com/register" },
  "nav_items": [
    { "text": "Products", "href": "https://stripe.com/products" },
    { "text": "Pricing", "href": "https://stripe.com/pricing" }
  ],
  "buttons": [ { "text": "Start now", "href": "https://stripe.com/register" } ],
  "forms": [],
  "headings": [ { "level": 1, "text": "Financial infrastructure for the internet" } ],
  "images": [ { "src": "...", "alt": "...", "width": 800, "height": 600 } ],
  "links": [ { "text": "Pricing", "href": "https://stripe.com/pricing", "external": false } ],
  "word_count": 1432,
  "technologies": ["react", "stripe", "google-analytics"],
  "text_summary": "Stripe powers online and in-person payment processing and financial solutions for businesses..."
}

Capture a visual snapshot of any webpage as a high-quality image. Returns the image binary directly (or JSON with metadata if meta=true).

Copycurl "https://snapapi.tech/v1/screenshot?url=github.com&format=webp" \
  -H "x-api-key: YOUR_KEY" -o screenshot.webp

Copyconst res = await fetch(
  "https://snapapi.tech/v1/screenshot?url=github.com&width=1440&dark_mode=true",
  { headers: { "x-api-key": "YOUR_KEY" } }
);
const blob = await res.blob();

Copyconst https = require("https");
const fs = require("fs");

const url = "https://snapapi.tech/v1/screenshot?url=github.com&format=png";
const opts = { headers: { "x-api-key": "YOUR_KEY" } };

https.get(url, opts, (res) => {
  res.pipe(fs.createWriteStream("screenshot.png"));
});

Copyimport requests

response = requests.get("https://snapapi.tech/v1/screenshot",
    params={"url": "github.com", "format": "webp"},
    headers={"x-api-key": "YOUR_KEY"})

with open("screenshot.webp", "wb") as f:
    f.write(response.content)

Convert any webpage to a downloadable PDF. Renders in a real browser — supports A4, Letter, Legal, A3, A5, landscape, custom margins, and background colors. Returns application/pdf binary.

Copycurl "https://snapapi.tech/v1/pdf?url=https://stripe.com&format=A4" \
  -H "x-api-key: YOUR_KEY" \
  -o stripe.pdf

Copyconst res = await fetch(
  "https://snapapi.tech/v1/pdf?" + new URLSearchParams({
    url: "https://stripe.com",
    api_key: "YOUR_KEY",
    format: "A4",
    print_background: "true"
  })
);
require("fs").writeFileSync("stripe.pdf", Buffer.from(await res.arrayBuffer()));

Copyimport requests

r = requests.get("https://snapapi.tech/v1/pdf", params={
    "url": "https://stripe.com",
    "api_key": "YOUR_KEY",
    "format": "A4",
    "print_background": "true"
})
with open("stripe.pdf", "wb") as f:
    f.write(r.content)

Extract title, description, Open Graph tags, favicon, headings, and links from any webpage without rendering it visually. Faster and cheaper than a screenshot. Great for link previews, AI agents, and SEO tools.

Copycurl "https://snapapi.tech/v1/metadata?url=https://github.com" \
  -H "x-api-key: YOUR_KEY"

Copyconst res = await fetch(
  "https://snapapi.tech/v1/metadata?url=https://github.com",
  { headers: { "x-api-key": "YOUR_KEY" } }
);
const data = await res.json();
console.log(data.title, data.og_image, data.favicon);

Copyimport requests

resp = requests.get(
    "https://snapapi.tech/v1/metadata",
    params={"url": "https://github.com"},
    headers={"x-api-key": "YOUR_KEY"}
)
data = resp.json()
print(data["title"])
print(data["og_image"])
print(data["favicon"])

Example response

{
  "title": "GitHub · Build and ship software on a single, collaborative platform",
  "description": "GitHub is where...",
  "og_title": "GitHub",
  "og_image": "https://github.githubassets.com/images/modules/site/social-cards/homepage.png",
  "og_type": "website",
  "favicon": "https://github.com/favicon.ico",
  "canonical": "https://github.com/",
  "language": "en",
  "headings": [{ "level": 1, "text": "Build and ship software on a single, collaborative platform" }],
  "links": [{ "text": "Sign up", "href": "https://github.com/signup" }]
}

Send raw HTML, receive a pixel-perfect PNG, JPEG, or WebP image. Perfect for OG cards, email previews, report thumbnails, and dynamic social images. Requires Starter plan or above.

Request body (JSON)

Copycurl -X POST "https://snapapi.tech/v1/render" \
  -H "x-api-key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"html":"
My OG Card
","width":1200,"height":630}' \
  -o og.png

Copyconst html = `
My Article Title
`;

const res = await fetch("https://snapapi.tech/v1/render", {
  method: "POST",
  headers: { "x-api-key": "YOUR_KEY", "Content-Type": "application/json" },
  body: JSON.stringify({ html, width: 1200, height: 630, format: "png" })
});
require("fs").writeFileSync("og.png", Buffer.from(await res.arrayBuffer()));

Copyimport requests

html = """
My OG Image
"""

resp = requests.post("https://snapapi.tech/v1/render",
    headers={"x-api-key": "YOUR_KEY"},
    json={"html": html, "width": 1200, "height": 630, "format": "png"})

with open("og.png", "wb") as f:
    f.write(resp.content)

Process up to 50 URLs in a single request. Runs concurrently up to your tier's parallel limit. Each URL counts as 1 API call. Batch limits: Starter 10 URLs, Pro 25, Business 50.

Request body (JSON)

Copycurl -X POST "https://snapapi.tech/v1/batch" \
  -H "x-api-key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "urls": ["https://stripe.com", "https://github.com", "https://vercel.com"],
    "endpoint": "analyze",
    "params": { "screenshot": "false" }
  }'

Copyconst res = await fetch("https://snapapi.tech/v1/batch", {
  method: "POST",
  headers: { "x-api-key": "YOUR_KEY", "Content-Type": "application/json" },
  body: JSON.stringify({
    urls: ["https://stripe.com", "https://github.com", "https://vercel.com"],
    endpoint: "analyze"
  })
});
const { results, succeeded, failed, duration_ms } = await res.json();

for (const r of results) {
  if (r.status === "ok") {
    console.log(r.url, r.data.page_type, r.data.technologies);
  } else {
    console.error(r.url, r.error);
  }
}

Copyimport requests

resp = requests.post(
    "https://snapapi.tech/v1/batch",
    headers={"x-api-key": "YOUR_KEY"},
    json={
        "urls": ["https://stripe.com", "https://github.com", "https://vercel.com"],
        "endpoint": "analyze"
    }
)
data = resp.json()

for r in data["results"]:
    if r["status"] == "ok":
        print(r["url"], r["data"]["page_type"], r["data"]["technologies"])
    else:
        print(r["url"], "ERROR:", r["error"])

Example response

{
  "results": [
    {
      "url": "https://stripe.com",
      "status": "ok",
      "data": { "page_type": "landing", "primary_cta": { "text": "Start now", "href": "..." }, "technologies": ["react", "stripe"], "word_count": 1432 }
    },
    {
      "url": "https://bad-url-example.invalid",
      "status": "error",
      "error": "net::ERR_NAME_NOT_RESOLVED"
    }
  ],
  "total": 2,
  "succeeded": 1,
  "failed": 1,
  "duration_ms": 4210
}

Create a new monitor to capture snapshots on a schedule.

Response

{
  "id": "mon_a1b2c3d4e5f6g7h8",
  "name": "example.com",
  "url": "https://example.com",
  "interval": 30,
  "status": "active",
  "next_run": "2026-03-10T12:30:00.000Z"
}

List all your monitors with status, run counts, and tier limits.

Get a single monitor with its 20 most recent snapshots.

Update a monitor. Pause/resume, change interval, rename, or update webhook.

Delete a monitor and all its stored snapshots.

Paginated snapshot history for a monitor.

Serve the actual screenshot image for a specific snapshot. Returns the image directly (Content-Type: image/png, image/jpeg, or image/webp).

When a monitor captures a snapshot, SnapAPI sends a POST to your webhook URL (if configured).

Standard payload (visual diff only)

{
  "event": "snapshot.captured",
  "monitor_id": "mon_a1b2c3d4e5f6g7h8",
  "monitor_name": "My Site",
  "snapshot_id": "snap_x9y8z7w6v5u4",
  "url": "https://example.com",
  "taken_at": "2026-03-10T12:30:00.000Z",
  "changed": true,
  "diff_percent": 4.2,
  "meta": { "title": "Example Domain", "description": "" }
}

With params.analyze: true — structural diff included

{
  "event": "snapshot.captured",
  "changed": true,
  "diff_percent": 2.1,
  "structural_changes": {
    "primary_cta": { "before": "Start free trial", "after": "Get started" },
    "technologies": { "added": ["intercom"], "removed": [] },
    "word_count": { "before": 1240, "after": 980 }
  },
  "analysis": {
    "page_type": "landing",
    "primary_cta": { "text": "Get started", "href": "https://example.com/signup" },
    "technologies": ["react", "stripe", "intercom", "google-analytics"],
    "word_count": 980
  }
}

structural_changes only appears when analyze: true and something changed — keys are only present when that specific field changed.

Check your current usage, tier, and monthly limits.

Example response

Copy{
  "tier": "starter",
  "usage": { "month": "2026-03", "count": 142 },
  "limits": { "monthly": 1000, "concurrent": 2 }
}

Get account details including email, tier, settings, and subscription management link.

Example response

Copy{
  "email": "you@example.com",
  "tier": "pro",
  "masked_key": "snap_d9e0...4ed",
  "manage_subscription": "https://portal.lemonsqueezy.com/...",
  "settings": { "name": "My App", "allowed_domains": [] }
}

Update your account settings (key name, allowed domains).

Example request

Copycurl -X POST "https://snapapi.tech/v1/account/settings" \
  -H "x-api-key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"name": "My App", "allowed_domains": ["myapp.com"]}'

Create a free account and get your API key. If the email already exists, returns a masked key.

New account

{ "key": "snap_abc123...", "tier": "free", "limit": 100 }

Existing account

{ "exists": true, "masked_key": "snap_abc1...3xyz" }

Send a 6-digit recovery code to your email.

Verify the recovery code and retrieve your full API key.

Health check. No authentication required.

Response

{ "status": "ok", "activeJobs": 0, "uptime": 3600 }

Detailed system metrics. No authentication required.

Response

{
  "status": "operational",
  "uptime_seconds": 3600,
  "total_requests": 500,
  "total_screenshots": 480,
  "total_errors": 2,
  "active_jobs": 1,
  "error_rate": 0.4,
  "latency": { "avg_ms": 2100, "p95_ms": 4500, "samples": 480 }
}