catalog

Entry point to the x402 Carbon Retirement API on Base.

Entry point to the x402 Carbon Retirement API on Base. Returns every endpoint you need plus a live snapshot of the top 3 carbon classes and marketplace listings by liquidity. Discover, quote and certificate are free. Retiring is paid: each retirement costs the credit price plus a fee, sent from your own wallet (prepare/retire) or relayed from a signed USDC authorization (prepare-auth + POST actions/retire). Full spec at /openapi.json.

UNRATEDListed

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?

0xf624f9fe…5b1d2d0e

URL

https://x402.klimalabs.com/api/catalog

Seen

first 17 days ago · last 15 hr ago

37 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.698 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.302: 0.102 uncertain ? + 0.200 short ? · 0.102 to B

How the composite of 0.698 is made up, part by part
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	0.829		0.498	0	−0.102
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.698	gap to 1.000 = 0.302 · 0.200 short · 0.102 uncertain	0.698	−0.200	−0.102

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 × 0.829   liveness       
+ 0.200 × 1.000   price stability
= 0.698           → UNRATED: 36 of 30 paid calls      weights 2026.09.6 · 36 samples · seed cap_01M2PY8YEHMH9QF4J8XG3X8EAE|2026-09-04T09:16:09.270Z|2026.09.6

Verify it yourselfnpx teppi-check https://x402.klimalabs.com/api/catalogcurl -s https://api.teppi.xyz/v1/trust/cap_01M2PY8YEHMH9QF4J8XG3X8EAE