You’re in.
Credentials on the way.
You’re in.
Credentials on the way.
You’re in.
Credentials on the way.
We're setting up your API key and SQL access. You'll receive an email within 30 minutes during business hours.
API DOCS
While you wait — try this now
Explore 14,000+ markets (no key required)
curl https://api.koinju.io/market/spot | python3 -m json.tool | head -30Returns all spot markets across 25 exchanges. No authentication needed.
Step 2 — when you get your API key
Your first REST API call
curl -H "x-api-key: YOUR_KEY" \
"https://api.koinju.io/ohlcv?exchange=binance&market=BTC-USDT&candle_duration_in_minutes=60&limit=24"24 hourly BTC-USDT candles from Binance. Replace YOUR_KEY with the key from your welcome email.
Step 3 — Your first SQL query
Cross-exchange price comparison
SELECT exchange, avg(close) AS avg_priceFROM api.ohlcv(candle_duration_in_minutes=60)WHERE market = 'BTC-USDT'AND start >= now() - INTERVAL 1 DAYGROUP BY exchangeORDER BY avg_price DESCConnect to sql.koinju.io:9440 with your SQL credentials. This query shows BTC-USDT average price per exchange — the "aha moment" that's impossible with a single-exchange API.
Need help?
Reply to your welcome email or check the documentation
286 billion trades. Collect or compute.
Most teams make 5+ API calls to compare exchanges. With Koinju, one query does it all, server-side.
© 2026 Koinju. All Rights Reserved.
Koinju is a product of Maarkt, a registered Benchmark administrator ( n° BMR2021000001 ) under the Art. 34 of the "Benchmark" regulation ((EU) 2016/1011), authorized and regulated by the French Financial Markets Authority 🇫🇷. All information and data available on our Website and related Services is provided for information purposes only, and should not be construed as any kind of advice. The Website, its Content and related Services are provided "as is" and "as available", and do not commit the Company to respond to the User's specific need and/or situation. MAARKT cannot be held responsible for any missing or incorrect information. Data provided on the Website is based on unrelated third-parties' data. MAARKT cannot guarantee neither the accuracy, reliability and completeness of these third-parties' data nor related manipulation risks. You accept all risks associated with the use of the Content on the Website provided by our Services and are therefore fully responsible for such use and the consequences that may result.
286 billion trades. Collect or compute.
Most teams make 5+ API calls to compare exchanges. With Koinju, one query does it all, server-side.
© 2026 Koinju. All Rights Reserved.
Koinju is a product of Maarkt, a registered Benchmark administrator ( n° BMR2021000001 ) under the Art. 34 of the "Benchmark" regulation ((EU) 2016/1011), authorized and regulated by the French Financial Markets Authority 🇫🇷. All information and data available on our Website and related Services is provided for information purposes only, and should not be construed as any kind of advice. The Website, its Content and related Services are provided "as is" and "as available", and do not commit the Company to respond to the User's specific need and/or situation. MAARKT cannot be held responsible for any missing or incorrect information. Data provided on the Website is based on unrelated third-parties' data. MAARKT cannot guarantee neither the accuracy, reliability and completeness of these third-parties' data nor related manipulation risks. You accept all risks associated with the use of the Content on the Website provided by our Services and are therefore fully responsible for such use and the consequences that may result.
286 billion trades. Collect or compute.
Most teams make 5+ API calls to compare exchanges. With Koinju, one query does it all, server-side.
© 2026 Koinju. All Rights Reserved.
Koinju is a product of Maarkt, a registered Benchmark administrator ( n° BMR2021000001 ) under the Art. 34 of the "Benchmark" regulation ((EU) 2016/1011), authorized and regulated by the French Financial Markets Authority 🇫🇷. All information and data available on our Website and related Services is provided for information purposes only, and should not be construed as any kind of advice. The Website, its Content and related Services are provided "as is" and "as available", and do not commit the Company to respond to the User's specific need and/or situation. MAARKT cannot be held responsible for any missing or incorrect information. Data provided on the Website is based on unrelated third-parties' data. MAARKT cannot guarantee neither the accuracy, reliability and completeness of these third-parties' data nor related manipulation risks. You accept all risks associated with the use of the Content on the Website provided by our Services and are therefore fully responsible for such use and the consequences that may result.