News Intelligence API that converts raw stories into canonical, AI/machine-ready records.
NUCLEUZ API Metrics. Access these endpoints, feeds, and enriched data through a simple RESTful API.
Start free. Use credits, and upgrade to Pro when you want more.
Everyone can explore on BLERBZ
Full BLERBZ experience - NUCLEUZ API, unlimited STREAMs, ARTEMIZ and more
No charge for 30 days. Cancel anytime.
Custom solutions for projects/orgs
Multiple curated feeds with cursor-based pagination and score breakdowns.
Stream breaking news with sub-second latency via Server-Sent Events.
Daily top 100 stories ranked by engagement, velocity, and viral detection.
Velocity-based trending with configurable time windows (1h, 6h, 24h).
Powerful filtering options to find exactly the content you need.
Filter content by AI-extracted topic tags for focused feeds.
Filter by specific news sources like Reuters, BBC, AP, and 200+ more.
X.com content feed with posts, threads, and long-form articles.
AI-classified stocks, indices, economic indicators, and finance news.
AI-classified Bitcoin, Ethereum, blockchain, DeFi, and NFT stories.
Canonical document objects with rich metadata and cross-source intelligence.
SDK-friendly document format with ETag support and conditional GET.
Find free versions of paywalled content from 2-4 alternative sources.
Automatic deduplication identifies the same story across multiple sources.
Every story in three language versions. 55+ languages across 195+ countries. Available on all tiers.
Original article in its native language, preserved exactly as published.
AI-translated English version with editorial accuracy and fact preservation.
National language of the story country of origin. 195+ country mappings.
Built for performance with modern API conventions.
Multi-tier caching with 94%+ hit rates for blazing fast responses.
Cursor-based sync API to efficiently track document changes.
Request only the fields you need to minimize payload size.
Everything you need to integrate NUCLEUZ into your app
NUCLEUZ is a real-time news intelligence API that powers BLERBZ. Get access to:
https://api.blerbz.com/v2All endpoints include rate limit headers:
X-RateLimit-Limit: 300
X-RateLimit-Remaining: 299
X-RateLimit-Reset: 2026-01-01T00:00:00ZTry the NUCLEUZ API right here. No account required for public endpoints.
List canonical story documents with pagination
Using demo API key with liberal limits. No account required.
Number of items
Pagination cursor
Filter by date
Filter by sources
curl -H "Authorization: Bearer nuc_demo_playground_2026" "https://api.blerbz.com/v2/documents?limit=10"
const response = await fetch('https://api.blerbz.com/v2/documents?limit=10', {
headers: {
'Authorization': 'Bearer nuc_demo_playground_2026'
}
});
const data = await response.json();
console.log(data.data); // Array of documentsExecute a request to see the response
Embed a live-updating, scrolling news ticker powered by NUCLEUZ API. Works with all API tiers. Choose from all feeds, a specific feed, or a custom subset.
<!-- BLERBZ Headline Scrolling Ticker -->
<!-- Embed this snippet in your HTML. Replace YOUR_API_KEY with your NUCLEUZ API key. -->
<div id="blerbz-ticker" style="
background: #0a0a0a;
border: 1px solid rgba(255,255,255,0.08);
border-radius: 10px;
overflow: hidden;
position: relative;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
">
<div style="
display: flex; align-items: center; gap: 8px;
position: absolute; left: 0; top: 0; bottom: 0;
padding: 0 16px; z-index: 2;
background: linear-gradient(90deg, #0a0a0a 85%, transparent);
font-family: 'SF Mono', Monaco, Inconsolata, monospace;
font-size: 9px; font-weight: 700; letter-spacing: 1.5px; color: #fff;
">
<span style="
width: 7px; height: 7px; border-radius: 50%;
background: #ef4444; box-shadow: 0 0 6px rgba(239,68,68,0.6);
animation: blerbzPulse 1.5s ease-in-out infinite;
"></span>
LIVE
</div>
<div style="
overflow: hidden; padding: 14px 16px 14px 90px;
mask-image: linear-gradient(90deg, transparent 0%, black 5%, black 95%, transparent 100%);
-webkit-mask-image: linear-gradient(90deg, transparent 0%, black 5%, black 95%, transparent 100%);
">
<div id="blerbz-ticker-track" style="
display: flex;
animation: blerbzScroll 80s linear infinite;
width: max-content; will-change: transform;
"></div>
</div>
</div>
<style>
@keyframes blerbzScroll {
0% { transform: translate3d(0, 0, 0); }
100% { transform: translate3d(-50%, 0, 0); }
}
@keyframes blerbzPulse {
0%, 100% { opacity: 1; transform: scale(1); }
50% { opacity: 0.7; transform: scale(0.9); }
}
#blerbz-ticker-track:hover { animation-play-state: paused; }
</style>
<script>
(function() {
const API_KEY = 'YOUR_API_KEY';
const API_BASE = 'https://api.blerbz.com/v2';
const ENDPOINT = '/feeds/latest?limit=25';
async function fetchHeadlines() {
const res = await fetch(API_BASE + ENDPOINT, {
headers: { 'Authorization': 'Bearer ' + API_KEY }
});
if (!res.ok) return [];
const data = await res.json();
return (data.items || data.data || []).map(item => ({
headline: item.headline || item.originalTitle || item.title || '',
source: item.source?.name || item.sourceName || item.source || 'News',
})).filter(h => h.headline.length > 10);
}
function render(headlines) {
const track = document.getElementById('blerbz-ticker-track');
if (!track || !headlines.length) return;
const items = [...headlines, ...headlines];
track.innerHTML = items.map(h =>
'<div style="display:flex;align-items:center;gap:4px;padding-right:32px;white-space:nowrap;flex-shrink:0">' +
'<span style="font-size:10px;font-weight:700;color:rgba(255,255,255,0.5);text-transform:uppercase;letter-spacing:0.5px">' + h.source + ':</span>' +
'<span style="font-size:13px;font-weight:500;color:#fff;max-width:420px;overflow:hidden;text-overflow:ellipsis">' + h.headline + '</span>' +
'<span style="color:rgba(255,255,255,0.15);font-size:8px;margin-left:22px">\u2022</span>' +
'</div>'
).join('');
}
fetchHeadlines().then(render);
setInterval(() => fetchHeadlines().then(render), 30000);
})();
</script>GET /v2/feeds/latestBearer token (all tiers)Per your plan tierRecommended: 15-30s intervalTry the Playground and Documentation for starters.