x402 Carbon Retirement API

x402 resource x402 REST

x402.klimalabs.com · x402.klimalabs.com · Crypto & Payments

Provider site ↗

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

Price per call 0.001 USDC per call published unit: per call

Calls · 30d 97 counted by the source, no daily split

Buyers · 30d — Observed sending wallets · Base USDC · partial sender history · purchases unverified

Volume · 30d — Observed Base USDC inflows · not attributable or not measured

Inflow growth · 7d — not comparable (baseline under $1 or window incomplete)

Trx · 30d — Observed transfers · not attributable or not measured

Attribution blocked. The payout address is also published by 1 other service(s); the volume cannot be attributed to one of them.

Observed inflows · last 30 days

No inflow observed in this window

The payout address is also published by 1 other service(s); the volume cannot be attributed to one of them.

Observed inflows by window for x402 Carbon Retirement API.
Window	Observed	Transfers
Last complete day (2026-11-02)	—	—
Last 7 days	—	—
Last 30 days	—	—
Growth, 7d against the 7 before	not comparable

Source: on-chain transfer scan (USDC on Base) Window: 2026-10-04 → 2026-11-02 Scanned: 30/30 days Sample: 0 days with a measurement First seen: never Last update: 2026-11-02

Daily history →. Observed transfers show value arriving at the payout address; they do not establish service revenue.

Blockchain wallets

Full addresses · public payment evidence

Receiving wallets are payment addresses published for this service. Sending wallets transferred funds to an exclusive receiving address; this alone does not prove a purchase or identify an agent.

Receiving wallets · provider payment addresses

All published receiving wallet addresses for x402 Carbon Retirement API.
Network	Full wallet address	Evidence
Base	0xf624f9fe1d3165c5ca32c7fbdbf82f4a5b1d2d0e	Shared address · activity cannot be assigned to this serviceFrom source record · source: x402_bazaar

Sending wallets · observed counterparties

No sending wallet addresses have been retained for this service. Buyer wallets are unknown; daily totals and reported payer counts do not reveal their addresses.

Coverage includes retained scans only, not every historical transaction. Earlier daily totals cannot recover sender addresses. Sender lists exclude shared receiving wallets, whose transfers could belong to another service. A provider address does not establish wallet ownership.

Competitors & category benchmark

Rank the whole category →

Closest competitors Crypto & Payments

Agents Trust 14,312 calls · 0.01 USDC per call $238.09
X Pay 6,330 calls · 0.005 USDC per call $10,133.87
Gondola 4,528 calls · 0.01 USDC per call $6,141.44
Tech Detect 699 calls · 0.005 USDC per call —
base-gas-x402 647 calls · 0.002 USDC per call —

Sorted by source-measured calls, not by our opinion. The right-hand figure is observed inflow, which stays empty for peers whose address is shared.

Category benchmark 32,269 services in this category

With a measured call count	25,547 (79.2 %)
With a published price	29,991 (92.9 %)
With attributable inflows	310 (1.0 %)
Observed inflows · 30d	$645,398.53
Median measured calls	2
Median price per call	$0.01