Changes

x402 resource x402 REST

pricing-state-api.replit.app · pricing-state-api.replit.app · Crypto & Payments

Provider site ↗

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC, and only when there is something to deliver. Changes recorded across every member of a named set (inference or devtools) after your since cursor, newest first, each with the slug, detection time, source page and the same change object the

Price per call 0.01 USDC per call published unit: per call

Calls · 30d — not reported by any source

Buyers · 30d 1 Observed sending wallets · Base USDC · partial sender history · purchases unverified

Volume · 30d $0.01 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 1 Observed transfers · 30 of 30 complete UTC days measured · not verified purchases

Observed inflows · last 30 days

$0.01USD observed / day

2026-10-05grey = not scanned · UTC days2026-11-03

Observed inflows by window for Changes.
Window	Observed	Transfers
Last complete day (2026-11-03)	$0.00	0
Last 7 days	$0.01	1
Last 30 days	$0.01	1
Growth, 7d against the 7 before	not comparable

Source: on-chain transfer scan (USDC on Base) Window: 2026-10-05 → 2026-11-03 Scanned: 30/30 days Sample: 30 days with a measurement First seen: 2026-10-05 Last update: 2026-11-03

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 Changes.
Network	Full wallet address	Evidence
Base	0xb23c3825de4ca8a479183092ae8d1d58d2736fc9	Shared address · activity cannot be assigned to this serviceFrom source record · source: payai
Base	0x66db4da77742bedb5caffda3c496d3ae8f837368	Exclusive to this catalogue serviceFrom source record · source: payai
Solana	8AgYKpSuwJ4jnhyrBeBKXN59W4vx44ohdbC1ThQjXZqT	Shared address · activity cannot be assigned to this serviceFrom source record · source: payai

Sending wallets · observed counterparties

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

All retained sending wallet addresses observed for Changes.
Network	Full wallet address	Transfers	First / last observed	Last scanned (UTC)
Base	0xa1d1c0cf717402ff3651aa4873ccf96410b01978	1	2026-10-31 / 2026-10-31	2026-11-01 23:38:08

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 14,588 calls · 0.01 USDC per call $237.25
X Pay 5,770 calls · 0.005 USDC per call $9,961.17
Gondola 5,253 calls · 0.01 USDC per call $7,938.25
Onchain SQL (query Base with 1,170 calls · 0.04 USDC per call —
Tech Detect 689 calls · 0.005 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 32,482 services in this category

With a measured call count	25,744 (79.3 %)
With a published price	30,198 (93.0 %)
With attributable inflows	313 (1.0 %)
Observed inflows · 30d	$649,932.36
Median measured calls	2
Median price per call	$0.01