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Snipers and bundlers are common on Solana. Snipers are wallets that buy in the first seconds of a launch. Bundlers group transactions together, often to control order or get early access. This can involve MEV, which means profit from transaction ordering. The Data API gives you several endpoints to detect this activity.

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First Buyers

The PnL V2 first buyers endpoint returns chronological first buyers enriched with wallet PnL, token PnL, identity tags, and current holding state. 
curl "https://data.solanatracker.io/v2/pnl/tokens/{token}/first-buyers?limit=50" \
  -H "x-api-key: YOUR_API_KEY"

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Find Snipers Who Already Sold

Use the same response to find early buyers who already exited with realized profit. 
const token = "38PgzpJYu2HkiYvV8qePFakB8tuobPdGm2FFEn7Dpump";

const res = await fetch(
  `https://data.solanatracker.io/v2/pnl/tokens/${token}/first-buyers?limit=50`,
  { headers: { "x-api-key": "YOUR_API_KEY" } }
);
const { traders } = await res.json();

// Find snipers who already sold
const sold = traders.filter(t => t.position.balance === 0 && t.pnl.token.realized > 0);

console.log(`${sold.length} early buyers already sold at a profit`);
sold.forEach(t => {
  const holdMins = (t.timing.lastTrade - t.timing.firstTrade) / 60000;
  console.log(`  ${t.wallet}: +$${t.pnl.token.realized.toFixed(2)}, held ${holdMins.toFixed(0)} minutes`);
});

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What to Look For

SignalWhat it means
Balance = 0, profit > 0Early buyer who bought fast and already sold
Hold time < 5 minutesLikely automated or MEV-style behavior
Multiple first-buyer appearancesSame wallet sniping many launches
Large buy size relative to poolWhale entry that moved the price

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Bundler Detection

The bundlers endpoint identifies wallets involved in bundled transactions on a token. 
curl "https://data.solanatracker.io/tokens/{token}/bundlers" \
  -H "x-api-key: YOUR_API_KEY"
Bundlers submit multiple transactions in a single block to control execution order. This is commonly used for:
  • Launch sniping (buy in the same block as liquidity add)
  • Sandwich attacks
  • Coordinated wallet clusters

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Chart-Based Detection

These endpoints give you aggregated data over time, useful for building visual dashboards.

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Sniper Activity Chart

The snipers chart shows sniper activity over time for a token. 
curl "https://data.solanatracker.io/snipers/chart/{token}" \
  -H "x-api-key: YOUR_API_KEY"

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Bundler Activity Chart

The bundlers chart tracks bundled transaction activity over time. 
curl "https://data.solanatracker.io/bundlers/chart/{token}" \
  -H "x-api-key: YOUR_API_KEY"

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Insider Activity Chart

The insiders chart shows insider wallet activity patterns. 
curl "https://data.solanatracker.io/insiders/chart/{token}" \
  -H "x-api-key: YOUR_API_KEY"

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Example: Full Sniper Report

Build a quick sniper report for any token: 
const token = "38PgzpJYu2HkiYvV8qePFakB8tuobPdGm2FFEn7Dpump";
const headers = { "x-api-key": "YOUR_API_KEY" };

// 1. Get first buyers with PnL data
const { traders } = await fetch(
  `https://data.solanatracker.io/v2/pnl/tokens/${token}/first-buyers?limit=50`,
  { headers }
).then(r => r.json());

// 2. Get bundler data
const bundlers = await fetch(
  `https://data.solanatracker.io/tokens/${token}/bundlers`,
  { headers }
).then(r => r.json());

// 3. Analyze
const snipers = traders.filter(t => {
  const holdMins = (t.timing.lastTrade - t.timing.firstTrade) / 60000;
  return holdMins < 10 && t.pnl.token.realized > 0;
});

const bundlerWallets = new Set(bundlers.map(b => b.wallet));
const sniperBundlers = snipers.filter(s => bundlerWallets.has(s.wallet));

console.log(`First 50 buyers: ${traders.length}`);
console.log(`Quick-flip snipers (< 10 min hold, profitable): ${snipers.length}`);
console.log(`Bundler wallets: ${bundlers.length}`);
console.log(`Snipers who also bundled: ${sniperBundlers.length}`);

Token Research

Full token lookup: stats, holders, trades, and events.

Token Intelligence

All traders on a token with PnL, sorting, and filtering.

Safety Streams

Track snipers, bundlers, and insiders in real time via WebSocket.

Token Discovery Streams

Spot new tokens before the crowd and filter by graduation status.