block?chain=string&timestamp=string

Block height closest to a given unix timestamp on a chain, a primitive for historical on-chain queries.

Block height closest to a given unix timestamp on a chain, a primitive for historical on-chain queries. Saves agents a binary search over block times. Live block lookup. block by timestamp, block at time, historical block, archive query helper, chain block Accepts payment on Base or Solana — either network works.

UNRATEDDelisted

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.005 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x4466d4a8…d6dd125e

URL

https://api.x402node.dev/prices/block?chain=string&timestamp=string

Seen

first 34 days ago · last 28 days ago

27 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC, Solana

Listed on?

Base, Solana

Score, from free handshakes onlyweights 2026.09.1

UN
RATED

0.765 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 0.235: 0.155 uncertain ? + 0.080 short ? · 0.035 to B

How the composite of 0.765 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	1.00	0.764		0.458	0	−0.142
latency p95 it answered as fast as its class	0.20	0.60	0.533		0.107	−0.080	−0.013
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.765	gap to 1.000 = 0.235 · 0.080 short · 0.155 uncertain	0.765	−0.080	−0.155

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.600 × 0.764   liveness       
+ 0.200 × 0.533   latency p95    
+ 0.200 × 1.000   price stability
= 0.765           → UNRATED: 26 of 30 paid calls      weights 2026.09.1 · 26 samples · seed cap_01M1A5QKTH96NBJD41THES720E|2026-08-14T22:55:40.889Z|2026.09.1

Verify it yourselfnpx teppi-check https://api.x402node.dev/prices/block?chain=string&timestamp=stringcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5QKTH96NBJD41THES720E