Endpoint · onchainPOSTx402-echo-service.onrender.com /chain/erc20-balance
Read an ERC-20 token balance on Base.
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Read an ERC-20 token balance on Base. POST {"address":"0x...","token":"0x..."} and receive the raw balance, the token decimals and the human-readable amount. Defaults to USDC when token is omitted. Live chain state, no indexer lag.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.001 per call
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none yet
delivery unknown until someone pays
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URL
https://x402-echo-service.onrender.com/chain/erc20-balance
Seen
first 34 days ago · last 5 days ago
64 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Handshakescomputed 1 day ago
0.876 from 56 free handshakes over 30 days · UNRATED ?
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.890 | 0.534 | 0 | −0.066 | |
| latency p95 it answered as fast as its class |
0.20 | 0.74 | 0.708 | 0.142 | −0.053 | −0.006 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.876 | gap to 1.000 = 0.124 · 0.053 short · 0.071 uncertain | 0.876 | −0.053 | −0.071 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
BURN_INFREE_TIER_ONLY
Verify it yourself
npx teppi-check https://x402-echo-service.onrender.com/chain/erc20-balancecurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59MYBYXRW5ZRH8WJE7TXQ