Welcome to Axol

Axol is the unified multi-chain blockchain API built for trading and MEV. Access 23+ blockchains with gas oracles, mempool streaming, DeFi liquidation monitoring, and real-time data - all through a single API.

Built for Traders and MEV

Real-Time Data for Competitive Edge

• Gas Oracle - Multi-provider failover with stale data serving during outages
• Mempool Streaming - Pending transactions with automatic classification
• Liquidation Monitoring - DeFi positions at risk across Aave, Compound, Morpho
• Gateway Access - Direct node connections for lowest latency
• 23+ Chains - Unified API pattern across all supported networks

Why Axol?

Feature	Axol	Competitors
Gas Oracle with failover	Included	$50-200/mo extra
Mempool classification	Included	Not available
Liquidation monitoring	Included	Not available
Multi-chain unified API	23+ chains	Limited chains
Pricing	CU-based, transparent	Node-based, hidden fees

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Quick Start

1. Get Gas Prices (30 seconds)

curl -H "X-API-Key: YOUR_KEY" \
  https://api.axol.io/api/v1/blockchain/ethereum/gas

{
  "chain": "ethereum",
  "slow": 20,
  "standard": 25,
  "fast": 30,
  "instant": 40,
  "base_fee": 18
}

2. Monitor Liquidations

curl -H "X-API-Key: YOUR_KEY" \
  "https://api.axol.io/api/v1/defi/positions/at-risk?protocol=aave_v3&limit=10"

3. Stream Mempool (WebSocket)

import asyncio
import websockets

async def stream_mempool():
    url = "wss://api.axol.io/api/v1/mempool/ethereum/stream?token=JWT"
    async with websockets.connect(url) as ws:
        async for message in ws:
            print(message)  # Pending transactions with classification

asyncio.run(stream_mempool())

Full MEV Quickstart ->

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API Categories

MEV & Trading

Purpose-built endpoints for competitive trading:

Endpoint	Description
Gas Oracle	Multi-provider gas with failover
Mempool	Pending tx streaming + classification
Liquidations	DeFi positions at risk
Gateway	Direct node access

Blockchain Data

Unified pattern across 23+ chains:

Endpoint	Description
Blocks	/v1/blockchain/{chain}/blocks/{number}
Transactions	/v1/blockchain/{chain}/transaction/{hash}
Balances	/v1/blockchain/{chain}/balance/{address}
Gas	/v1/blockchain/{chain}/gas

DeFi Integrations

Integration	Description
DeFiLlama	TVL, yields, DEX volumes
1inch	Swap quotes and execution

Platform

Endpoint	Description
Metrics	Unified system metrics
Alerts	Gas, price, and system alerts
Analytics	Chain and market analytics

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Supported Networks

Ethereum, Polygon, Arbitrum, Optimism, Base, Gnosis, Avalanche, Celestia, Osmosis, dYdX, Sei, Bitcoin, Solana, Sui, Aptos, NEAR, Starknet, Polkadot, Tron

23+ chains with unified API pattern. Same CU cost regardless of chain.

View all chains ->

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Learning Path

For MEV/Trading

1. MEV Quickstart - Gas oracle, mempool, liquidations
2. Gas Oracle - Multi-provider failover
3. Mempool Streaming - WebSocket tx classification
4. Liquidation Monitoring - DeFi at-risk positions

For General Development

1. Authentication - API keys and JWT tokens
2. Quick Start - First API calls
3. Unified Pattern - API structure
4. WebSockets - Real-time streaming

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Pricing

Free tier: 150M CUs/month with no credit card required.

Paid plans: Higher capacity, trace/debug API access, and SLAs available.

CU = Compute Unit. Simple calls cost ~10 CUs, gas queries cost ~5 CUs. Full pricing

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Ready to Build?

Get Started for Free

150M CUs per month - No credit card required

Sign Up Now

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Resources

• Troubleshooting - Common issues
• Error Handling - Error codes
• Glossary - Terms reference
• Discord - Community
• Email - Support