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a2b0db8f3f5d2c3fce69cc91015c813b0a2ad021
sentinela-go/internal/api/handlers/pricing.go
Rainbow a2b0db8f3f feat: tiered API plans (Free/Bronze/Gold/Platinum) 
- Free: $0, 30 req/min, market data only
- Bronze: $29/mo, 100 req/min, + companies & search
- Gold: $99/mo, 500 req/min, + filings & historical
- Platinum: $299/mo, 2000 req/min, all features + priority
- Plan-aware rate limiting per API key (or per IP for free)
- Usage tracking with daily aggregation
- GET /api/v1/plans — plan listing
- POST /api/v1/plans/register — instant free API key
- GET /api/v1/plans/usage — usage stats
- /pricing — dark-themed HTML pricing page
- X-RateLimit-* and X-Plan headers on every response
- Restricted endpoints return upgrade prompt
- Updated OpenAPI spec with security scheme
- 53 handlers, compiles clean
2026-02-10 12:55:45 -03:00

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package handlers
import "github.com/gofiber/fiber/v2"
func (h *Handler) PricingPage(c *fiber.Ctx) error {
c.Set("Content-Type", "text/html")
return c.SendString(pricingHTML)
}
const pricingHTML = `<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Sentinela API - Pricing</title>
<style>
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:#0a0e17;color:#e1e5ee;min-height:100vh}
.container{max-width:1200px;margin:0 auto;padding:40px 20px}
h1{text-align:center;font-size:2.5rem;margin-bottom:8px;background:linear-gradient(135deg,#00d4aa,#7c3aed);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.subtitle{text-align:center;color:#8892a4;font-size:1.1rem;margin-bottom:48px}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;margin-bottom:64px}
.plan{background:#131a2b;border:1px solid #1e293b;border-radius:16px;padding:32px 24px;position:relative;transition:transform .2s,border-color .2s}
.plan:hover{transform:translateY(-4px);border-color:#7c3aed}
.plan.featured{border-color:#00d4aa;background:linear-gradient(180deg,#0f1a2e 0%,#131a2b 100%)}
.plan.featured::before{content:"MOST POPULAR";position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#00d4aa,#059669);color:#fff;font-size:.7rem;font-weight:700;padding:4px 16px;border-radius:20px;letter-spacing:1px}
.plan-name{font-size:1.3rem;font-weight:700;margin-bottom:4px}
.plan-price{font-size:2.8rem;font-weight:800;margin:16px 0 4px}
.plan-price span{font-size:.9rem;font-weight:400;color:#8892a4}
.plan-billing{color:#8892a4;font-size:.85rem;margin-bottom:24px}
.plan-rate{background:#1e293b;border-radius:8px;padding:8px 12px;margin-bottom:20px;font-size:.9rem;color:#00d4aa;text-align:center}
.features{list-style:none;margin-bottom:28px}
.features li{padding:6px 0;font-size:.9rem;color:#c1c9d6}
.features li::before{content:"✓ ";color:#00d4aa;font-weight:700}
.features li.no::before{content:"✗ ";color:#4a5568}
.features li.no{color:#4a5568}
.btn{display:block;width:100%;padding:12px;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;text-align:center;text-decoration:none;transition:opacity .2s}
.btn-free{background:#1e293b;color:#e1e5ee}
.btn-primary{background:linear-gradient(135deg,#00d4aa,#059669);color:#fff}
.btn-gold{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff}
.btn-plat{background:linear-gradient(135deg,#7c3aed,#6d28d9);color:#fff}
.btn:hover{opacity:.85}
table{width:100%;border-collapse:collapse;margin-top:16px}
th,td{padding:12px 16px;text-align:center;border-bottom:1px solid #1e293b;font-size:.9rem}
th{color:#8892a4;font-weight:600}
th:first-child,td:first-child{text-align:left}
td.yes{color:#00d4aa}
td.no{color:#4a5568}
.matrix-section{margin-top:64px}
.matrix-section h2{text-align:center;font-size:1.8rem;margin-bottom:8px}
.matrix-sub{text-align:center;color:#8892a4;margin-bottom:24px}
footer{text-align:center;color:#4a5568;font-size:.85rem;margin-top:64px;padding-bottom:32px}
footer a{color:#00d4aa;text-decoration:none}
</style>
</head>
<body>
<div class="container">
<h1>Sentinela API Plans</h1>
<p class="subtitle">Brazilian financial data API — real-time rates, companies, and filings</p>
<div class="plans">
<div class="plan">
<div class="plan-name">Free</div>
<div class="plan-price">$0<span></span></div>
<div class="plan-billing">Free forever</div>
<div class="plan-rate">30 requests/minute</div>
<ul class="features">
<li>Selic, CDI, IPCA rates</li>
<li>FX rates (USD/BRL)</li>
<li>Market overview</li>
<li class="no">Company data</li>
<li class="no">Filing data</li>
<li class="no">Search</li>
</ul>
<a href="/api/v1/plans/register" class="btn btn-free">Get Started</a>
</div>
<div class="plan">
<div class="plan-name">Bronze</div>
<div class="plan-price">$29<span>/mo</span></div>
<div class="plan-billing">Billed monthly</div>
<div class="plan-rate">100 requests/minute</div>
<ul class="features">
<li>All market data</li>
<li>Company data</li>
<li>Company search (FTS)</li>
<li>API key auth</li>
<li class="no">Filing data</li>
<li class="no">Bulk export</li>
</ul>
<a href="mailto:api@sentinela.dev?subject=Bronze Plan" class="btn btn-primary">Contact Us</a>
</div>
<div class="plan featured">
<div class="plan-name">Gold</div>
<div class="plan-price">$99<span>/mo</span></div>
<div class="plan-billing">Billed monthly</div>
<div class="plan-rate">500 requests/minute</div>
<ul class="features">
<li>All market data</li>
<li>Company data & search</li>
<li>Filing data</li>
<li>Historical data</li>
<li>Bulk export</li>
<li class="no">Webhooks</li>
</ul>
<a href="mailto:api@sentinela.dev?subject=Gold Plan" class="btn btn-gold">Contact Us</a>
</div>
<div class="plan">
<div class="plan-name">Platinum</div>
<div class="plan-price">$299<span>/mo</span></div>
<div class="plan-billing">Billed monthly</div>
<div class="plan-rate">2,000 requests/minute</div>
<ul class="features">
<li>Everything in Gold</li>
<li>Webhooks</li>
<li>Priority support</li>
<li>Custom date ranges</li>
<li>Raw CSV export</li>
<li>Dedicated capacity</li>
</ul>
<a href="mailto:api@sentinela.dev?subject=Platinum Plan" class="btn btn-plat">Contact Us</a>
</div>
</div>
<div class="matrix-section">
<h2>Feature Comparison</h2>
<p class="matrix-sub">Detailed breakdown of what's included in each plan</p>
<table>
<tr><th>Feature</th><th>Free</th><th>Bronze</th><th>Gold</th><th>Platinum</th></tr>
<tr><td>Selic / CDI / IPCA</td><td class="yes">✓</td><td class="yes">✓</td><td class="yes">✓</td><td class="yes">✓</td></tr>
<tr><td>FX Rates</td><td class="yes">✓</td><td class="yes">✓</td><td class="yes">✓</td><td class="yes">✓</td></tr>
<tr><td>Market Overview</td><td class="yes">✓</td><td class="yes">✓</td><td class="yes">✓</td><td class="yes">✓</td></tr>
<tr><td>Company Data</td><td class="no">✗</td><td class="yes">✓</td><td class="yes">✓</td><td class="yes">✓</td></tr>
<tr><td>Company Search</td><td class="no">✗</td><td class="yes">✓</td><td class="yes">✓</td><td class="yes">✓</td></tr>
<tr><td>Filing Data</td><td class="no">✗</td><td class="no">✗</td><td class="yes">✓</td><td class="yes">✓</td></tr>
<tr><td>Historical Data</td><td class="no">✗</td><td class="no">✗</td><td class="yes">✓</td><td class="yes">✓</td></tr>
<tr><td>Bulk Export</td><td class="no">✗</td><td class="no">✗</td><td class="yes">✓</td><td class="yes">✓</td></tr>
<tr><td>Webhooks</td><td class="no">✗</td><td class="no">✗</td><td class="no">✗</td><td class="yes">✓</td></tr>
<tr><td>CSV Export</td><td class="no">✗</td><td class="no">✗</td><td class="no">✗</td><td class="yes">✓</td></tr>
<tr><td>Priority Support</td><td class="no">✗</td><td class="no">✗</td><td class="no">✗</td><td class="yes">✓</td></tr>
<tr><td>Rate Limit</td><td>30/min</td><td>100/min</td><td>500/min</td><td>2,000/min</td></tr>
</table>
</div>
<footer>
<p>Sentinela API — <a href="/docs">API Documentation</a> · <a href="/api/v1/plans">Plans API</a></p>
</footer>
</div>
</body>
</html>`
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