Pricing
Pay only for what you use. No subscriptions, no commitments.
Free Tier
Everyone gets 100 free calls per day — no wallet required.
| Tier | Daily Limit | How to Get |
|---|---|---|
| Anonymous | 100 calls | Default |
| SIWE Auth | 200 calls | Sign in |
| API Key | 250 calls | Create key |
Pay-Per-Request
After free tier exhaustion, pay per request via x402 (USDC on Base).
By Category
| Category | Price Range | Example |
|---|---|---|
| Identity | $0.010 - $0.050 | ENS profile |
| Social | $0.010 - $0.030 | Followers list |
| Wallet | $0.010 - $0.050 | Token balances |
| DeFi | $0.010 - $0.020 | Protocol TVL |
| Market | $0.005 - $0.020 | Token price |
| Security | $0.010 - $0.020 | Token analysis |
| Chains | $0.005 - $0.010 | Gas prices |
| Utilities | Free - $0.020 | Health check |
Popular Endpoints
| Endpoint | Price |
|---|---|
/api/ens/{name} | $0.010 |
/api/price/{symbol} | $0.010 |
/api/smart/prices (batch) | $0.020 |
/api/profile/{name} | $0.050 |
/api/wallet/{address} | $0.030 |
/api/defi/tvl/{protocol} | $0.010 |
/api/farcaster/{fid} | $0.020 |
/api/gas | $0.005 |
/api/health | Free |
/demo | Free |
Always Free Endpoints
These endpoints never count against limits:
GET /demo?name={name}— Try the API instantly (no auth needed)GET /api/health— Health checkGET /api/usage— Your usage statsGET /api/ens/resolve/{name}— ENS address resolutionGET /api/reverse/{address}— Reverse ENS lookupGET /api— Swagger UI documentationGET /.well-known/x402— Payment configGET /api/sources/health— Data sources status
Try Demo Now
curl "https://api.web3identity.com/demo?name=vitalik.eth"
No API key, no wallet — just works!
API Key Credits
Prepay for credits at discounted rates:
| Credits | Price | Per Request | Savings |
|---|---|---|---|
| 100 | $0.90 | $0.009 | 10% |
| 500 | $4.00 | $0.008 | 20% |
| 1,000 | $7.00 | $0.007 | 30% |
| 5,000 | $30.00 | $0.006 | 40% |
Cost Calculator
| Scenario | Monthly Calls | Cost |
|---|---|---|
| Testing | 3,000 | Free |
| Side Project | 10,000 | ~$10 |
| Startup | 100,000 | ~$70 |
| Scale | 1,000,000 | Contact us |
How Payment Works
- Make requests using free tier
- When exhausted, receive
402 Payment Required - SDK automatically signs and pays (USDC on Base)
- Receive response with receipt
No pre-payment required. Pay as you go.
Getting USDC on Base
- Bridge: bridge.base.org
- Buy: Coinbase, Uniswap on Base
- Transfer: Send USDC to your wallet
Keep $1-5 for comfortable testing.
Next Steps
- Quick Start — Start building
- x402 Payments — Payment details