Endpoint · onchainGETai-data-marketplace-1042299154756.us-central1.run.app /api/v1/erc20_balance ?account=0x0000000000000000000000000000000000000000&block=latest&chain=base&token=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Read one wallet or contract's current ERC-20 balance directly from Base, Ethereum, or Arbitrum, including raw units and contract-supplied token metadata.
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.001 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/erc20_balance?account=0x0000000000000000000000000000000000000000&block=latest&chain=base&token=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Seen
first 34 days ago · last 20 days ago
42 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.3
UN
RATED
RATED
0.822 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.178: 0.092 uncertain ? + 0.086 short ? · 0.078 to A
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.846 | 0.508 | 0 | −0.092 | |
| latency p95 it answered as fast as its class |
0.20 | 0.57 | 0.571 | 0.114 | −0.086 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.822 | gap to 1.000 = 0.178 · 0.086 short · 0.092 uncertain | 0.822 | −0.086 | −0.092 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.846 liveness
+ 0.200 × 0.571 latency p95
+ 0.200 × 1.000 price stability
= 0.822 → UNRATED: 40 of 30 paid calls weights 2026.09.3 · 40 samples · seed cap_01M1A59X56DPB1JC3HF550F7QV|2026-08-21T06:48:09.268Z|2026.09.3
Verify it yourself
npx teppi-check https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/erc20_balance?account=0x0000000000000000000000000000000000000000&block=latest&chain=base&token=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913curl -s https://api.teppi.xyz/v1/trust/cap_01M1A59X56DPB1JC3HF550F7QV