Endpoint · onchainPOSTapp.heinrichstech.com /v1/cdp/chain/erc20-balance
ERC-20 token balance for any wallet — USDC, USDT, DAI, or any token contract — via balanceOf eth_call, with decimals applied.
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ERC-20 token balance for any wallet — USDC, USDT, DAI, or any token contract — via balanceOf eth_call, with decimals applied. Ethereum or Base mainnet. Pay 0.003 USDC.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.003 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://app.heinrichstech.com/v1/cdp/chain/erc20-balance
Seen
first 35 days ago · last 16 hr ago
64 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC, Solana, stellar:pubnet
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.736 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.264: 0.064 uncertain ? + 0.200 short ? · 0.064 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| liveness it answered at all |
0.60 | 1.00 | 0.894 | 0.536 | 0 | −0.064 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.736 | gap to 1.000 = 0.264 · 0.200 short · 0.064 uncertain | 0.736 | −0.200 | −0.064 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.000 latency p95
+ 0.600 × 0.894 liveness
+ 0.200 × 1.000 price stability
= 0.736 → UNRATED: 58 of 30 paid calls weights 2026.09.6 · 58 samples · seed cap_01M1A5AAY9H34C102TYWGZ8M8A|2026-09-03T09:39:23.693Z|2026.09.6
Verify it yourself
npx teppi-check https://app.heinrichstech.com/v1/cdp/chain/erc20-balancecurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AAY9H34C102TYWGZ8M8A