Endpoint · onchainPOSTx402-echo-service.onrender.com /chain/tx
Look up a transaction on Base by hash.
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Look up a transaction on Base by hash. POST {"hash":"0x..."} and receive its status, block number, from and to addresses, value, gas used and effective gas price. Returns a clear not-found rather than an empty object when the hash is unknown.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://x402-echo-service.onrender.com/chain/tx
Seen
first 35 days ago · last 5 days ago
64 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.852 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 0.148: 0.087 uncertain ? + 0.061 short ? · 0.048 to A
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.69 | 0.588 | 0.118 | −0.061 | −0.021 | |
| liveness it answered at all |
0.60 | 1.00 | 0.890 | 0.534 | 0 | −0.066 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.852 | gap to 1.000 = 0.148 · 0.061 short · 0.087 uncertain | 0.852 | −0.061 | −0.087 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.588 latency p95
+ 0.600 × 0.890 liveness
+ 0.200 × 1.000 price stability
= 0.852 → UNRATED: 56 of 30 paid calls weights 2026.09.6 · 56 samples · seed cap_01M1A59MXV0EA0XPPAHX4QEF7W|2026-09-03T16:29:31.861Z|2026.09.6
Verify it yourself
npx teppi-check https://x402-echo-service.onrender.com/chain/txcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59MXV0EA0XPPAHX4QEF7W