🔐 API Keys

Web3 Identity API — 1,616 endpoints for blockchain data

Not connected
Anonymous
Free
100 calls/day
  • Public endpoints
  • Price data
  • ENS resolution
SIWE
Free
200 calls/day
  • Everything in Free
  • API key access
  • Usage dashboard
API Key
Free
250 calls/day
  • Everything in SIWE
  • Server-to-server
  • Multiple keys
x402
Pay-per-use
Unlimited
  • All endpoints
  • No rate limits
  • USDC on Base

🔐 Get Started

Sign in with your Ethereum wallet to generate API keys and track your usage. No email required — your wallet is your identity.

Your signature proves wallet ownership — no password needed.

🚀 Quick Start

# Get ETH price
curl https://api.web3identity.com/api/price/eth

# Resolve ENS name
curl https://api.web3identity.com/api/ens/resolve/vitalik.eth

# With API key (higher limits)
curl -H "x-api-key: YOUR_KEY" \
  https://api.web3identity.com/api/price/eth