
Build a Telegram Bot for Pokemon Card Price Alerts
Create a Telegram bot that sends Pokemon card price alerts, handles commands, and provides market updates. Deploy to Vercel as serverless function.
PokemonPriceTracker Team
PokemonPriceTracker Team

Building Pokemon card applications? This comprehensive guide covers the best Pokemon card APIs available to developers, including pricing data, card information, set details, and integration examples.
Best for: Comprehensive card data without pricing
{
"name": "Charizard",
"id": "base1-4",
"set": {
"name": "Base",
"series": "Base"
},
"rarity": "Rare Holo",
"hp": 120,
"types": ["Fire"]
}
Best for: Tournament‑focused pricing and inventory
Best for: Historical pricing and trend analysis
Best for: Pokemon species data (not cards specifically)
// Fetch card data by ID
const response = await fetch('https://api.pokemontcg.io/v2/cards/base1-4');
const card = await response.json();
console.log(card.data.name); // "Charizard"
console.log(card.data.set.name); // "Base"
// Search for cards in a specific set
const setName = 'Astral Radiance';
const response = await fetch(`https://api.pokemontcg.io/v2/cards?q=set.name:"${setName}"`);
const cards = await response.json();
cards.data.forEach(card => {
console.log(`${card.name} - ${card.rarity}`);
});
// Example pricing API integration
async function getCardPrice(cardId, apiKey) {
try {
const response = await fetch(`https://www.pokemonpricetracker.com/api/v2/cards?tcgPlayerId=${cardId}`, {
headers: {
'Authorization': `Bearer ${apiKey}`
}
});
const priceData = await response.json();
return {
currentPrice: priceData.data.prices.market
};
} catch (error) {
console.error('Price lookup failed:', error);
return null;
}
}
class PokemonCardApp {
constructor(apiKey) {
this.apiKey = apiKey;
this.cache = new Map();
}
async searchCards(query) {
// Implement search with caching
const cacheKey = `search_${query}`;
if (this.cache.has(cacheKey)) {
return this.cache.get(cacheKey);
}
const results = await this.fetchFromAPI(query);
this.cache.set(cacheKey, results);
return results;
}
async getCardPrices(cardIds) {
// Batch price requests for efficiency
const pricePromises = cardIds.map(id => this.fetchPrice(id));
return await Promise.all(pricePromises);
}
}
class RateLimiter {
constructor(requestsPerMinute) {
this.requests = [];
this.limit = requestsPerMinute;
}
async makeRequest(apiCall) {
const now = Date.now();
// Remove requests older than 1 minute
this.requests = this.requests.filter(time => now - time < 60000);
if (this.requests.length >= this.limit) {
// Wait until we can make another request
const waitTime = 60000 - (now - this.requests[0]);
await new Promise(resolve => setTimeout(resolve, waitTime));
}
this.requests.push(now);
return await apiCall();
}
}
{
"id": "base1-4",
"name": "Charizard",
"set": {
"id": "base1",
"name": "Base",
"series": "Base",
"releaseDate": "1999/01/09"
},
"number": "4",
"rarity": "Rare Holo",
"hp": 120,
"types": ["Fire"],
"attacks": [
{
"name": "Fire Spin",
"cost": ["Fire", "Fire", "Fire", "Fire"],
"damage": "100"
}
],
"images": {
"small": "https://images.pokemontcg.io/base1/4.png",
"large": "https://images.pokemontcg.io/base1/4_hires.png"
}
}
{
"cardId": "base1-4",
"marketPrice": 350.00,
"trend": "up",
"priceHistory": [
{
"date": "2025-01-01",
"price": 325.00,
"volume": 15
}
],
"gradedPrices": {
"psa10": 500.00,
"psa9": 275.00
}
}
async function robustApiCall(url, retries = 3) {
for (let i = 0; i < retries; i++) {
try {
const response = await fetch(url);
if (!response.ok) {
throw new Error(`HTTP ${response.status}: ${response.statusText}`);
}
return await response.json();
} catch (error) {
console.warn(`API call failed (attempt ${i + 1}):`, error.message);
if (i === retries - 1) {
throw error; // Last attempt failed
}
// Exponential backoff
await new Promise(resolve =>
setTimeout(resolve, Math.pow(2, i) * 1000)
);
}
}
}
Pokemon TCG API (pokemontcg.io) is excellent for beginners with great documentation, comprehensive data, and a generous free tier.
Yes, but this typically requires paid API access. TCGPlayer and specialized pricing APIs offer real‑time market data.
Implement request queuing, caching strategies, and consider multiple API keys or paid tiers for higher limits.
Most comprehensive pricing data requires paid access, but some APIs offer limited free pricing information.
Check each API's terms of service. Many allow commercial use but may require paid subscriptions or special licensing.

Create a Telegram bot that sends Pokemon card price alerts, handles commands, and provides market updates. Deploy to Vercel as serverless function.
PokemonPriceTracker Team

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