Hello World x402

x402 resource x402 REST

x402-hello-world.vercel.app · x402-hello-world.vercel.app · Crypto & Payments

Provider site ↗

Hello World x402 demo. Returns the JSON greeting {"message":"Hello World"} after a 0.001 USDC payment on Base, settled through the Coinbase x402 facilitator.

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

Calls · 30d 5 counted by the source, no daily split

Buyers · 30d 4 Observed sending wallets · Base USDC · partial sender history · purchases unverified

Volume · 30d $3.97 Observed Base USDC inflows · 30 of 30 complete UTC days measured · lower bound

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

Trx · 30d 14 Observed transfers · 30 of 30 complete UTC days measured · not verified purchases

Observed inflows · last 30 days

$3.56USD observed / day

2026-10-02grey = not scanned · UTC days2026-10-31

Observed inflows by window for Hello World x402.
Window	Observed	Transfers
Last complete day (2026-10-31)	$0.00	0
Last 7 days	$3.97	14
Last 30 days	$3.97	14
Growth, 7d against the 7 before	not comparable

Source: on-chain transfer scan (USDC on Base) Window: 2026-10-02 → 2026-10-31 Scanned: 30/30 days Sample: 30 days with a measurement First seen: 2026-10-02 Last update: 2026-10-31

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 Hello World x402.
Network	Full wallet address	Evidence
Base	0xe3feb195c0a92bbcb8e169022ccefea1164f7185	Exclusive to this catalogue serviceFrom source record · source: x402_bazaar

Sending wallets · observed counterparties

Showing 1–4 of 4 matching addresses · 4 retained in total. Source: on-chain transfer scans. Dates are UTC days.

All retained sending wallet addresses observed for Hello World x402.
Network	Full wallet address	Transfers	First / last observed	Last scanned (UTC)
Base	0x8fb4978b2f156ec7354dd789e649f35a953702ba	4	2026-10-28 / 2026-10-28	2026-10-29 23:38:15
Base	0x7722dfae6bbed2fd02dc07455c2f5bf14be25e4a	1	2026-10-28 / 2026-10-28	2026-10-29 23:38:15
Base	0xc9c7b38c0942914fc8ea12063bc92dcd3b581670	1	2026-10-28 / 2026-10-28	2026-10-29 23:38:15
Base	0xf1f15ab1b66377d6d60b8938a737122551be57f9	1	2026-10-28 / 2026-10-28	2026-10-29 23:38:15

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 13,307 calls · 0.01 USDC per call $248.30
X Pay 7,202 calls · 0.005 USDC per call $10,213.33
Gondola 4,673 calls · 0.01 USDC per call $6,739.67
Tech Detect 691 calls · 0.005 USDC per call —
base-gas-x402 655 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 31,871 services in this category

With a measured call count	24,951 (78.3 %)
With a published price	29,599 (92.9 %)
With attributable inflows	296 (0.9 %)
Observed inflows · 30d	$626,736.92
Median measured calls	2
Median price per call	$0.01