5 free calls — no credit card required
Captcha solving, browser rendering, temp email, SMS verification, screenshots, and web search — all through a single API key with flat pricing and zero credits to track.
# Your agent hits a captcha — UnblockAPI solves it in one call
curl -X POST https://api.unblockapi.com/v1/captcha/solve \
-H "X-API-Key: unblock_***" \
-d '{"type":"recaptcha_v2","site_key":"...","site_url":"..."}'
# → {"token": "03AFcWe...", "solved": true}
# Cost: $0.10 · Balance: $4.80 remaining
Every call is one flat price. No credits, no tiered pricing, no per-type math — just dollars.
40 types — reCAPTCHA v2/v3, hCaptcha, Turnstile, FunCaptcha, GeeTest, and more. Same $0.10 regardless of complexity.
$0.10 / solveHeadless Chromium for JS-rendered pages. Extract full HTML or plain text from SPAs and dynamic sites.
$0.05 / fetchDisposable inboxes for account verification. Create, read messages, auto-destroy when done.
$0.05 / inboxRent temporary numbers to receive SMS verification codes. Supports any service — Google, WhatsApp, Telegram, and more.
$0.50 / numberFull-page PNG captures. Your agent sees what the user would see — perfect for visual verification.
$0.05 / shotStructured search results via DuckDuckGo. Give your agent real-time access to the open web.
$0.05 / searchEvery competitor does one thing. We bundle everything your agents need — and we're the only ones with an MCP server.
| UnblockAPI | Browserbase | 2Captcha | SerpAPI | |
|---|---|---|---|---|
| Captcha Solving | ✓ 40 types | Paid only | ✓ | ✗ |
| Browser Rendering | ✓ | ✓ | ✗ | ✗ |
| Email Verify | ✓ | ✗ | ✗ | ✗ |
| SMS Verify | ✓ | ✗ | ✗ | ✗ |
| Web Search | ✓ | ✗ | ✗ | ✓ |
| Screenshots | ✓ | ✗ | ✗ | ✗ |
| MCP Server | Native ✓ | ✗ | ✗ | ✗ |
| Flat Pricing | $0.05–0.50 | Tiered | Per-type | Tiered |
| Free Tier | First call free | ✓ | ✗ | ✗ |
Get a free API key, paste this config, restart Claude — done.
{
"mcpServers": {
"unblockapi": {
"command": "python",
"args": ["-m", "mcp_server.server"],
"env": {
"UNBLOCK_API_KEY": "ub_your_key_here",
"UNBLOCK_API_URL": "https://api.unblockapi.com"
}
}
}
}
Replace ub_your_key_here with your key. Save the file.
"Take a screenshot of example.com" — Claude calls UnblockAPI and gets the result.
Also works with Cursor, VS Code, and any MCP-compatible client. Full API docs →
Top up your balance in dollars. Every call debits at the flat rate. No credits to convert, no tiers to track, no surprises.
| Service | Cost | Details |
|---|---|---|
| Captcha Solve | $0.10 | Any type — reCAPTCHA, hCaptcha, Turnstile, FunCaptcha, 40 total |
| Browser Render | $0.05 | Headless Chromium, full JS/SPA rendering |
| Temp Email | $0.05 | Disposable inbox, create + read + destroy |
| SMS Temp Number | $0.50 | Rent temp phone number to receive verification codes. $1.00 for rent+wait combo. |
| Screenshots | $0.05 | Full-page PNG capture |
| Web Search | $0.05 | DuckDuckGo-backed structured results |
Larger deposits come with bonus calls. Every bonus call works for any service.
Your agent shouldn't waste tokens on roadblocks. Offload them to UnblockAPI.
Your agent hits a captcha on a target site
UnblockAPI solves it — reCAPTCHA, hCaptcha, Turnstile, anything. Returns a token.
Your agent needs JS-rendered content from an SPA
UnblockAPI renders it in headless Chromium. Returns the full HTML.
Your agent needs to verify an email or phone for account creation
UnblockAPI provides a disposable inbox or receives the SMS code. Returns the verification.
Sign up, get 5 free calls and $0.25 credit. ub_*** keys work with any HTTP client or MCP host.
Dollar balance stored as cents. Top up with Stripe or stablecoins via x402. Bonus calls on larger deposits.
One endpoint per service. Every call debits your balance at the flat rate. No credits, no surprises.