x402 census · apiacre.com · d56d3ec0c428 · JSON

POST /v1/crypto/base-usdc-transfers

unprobed

Retrieve newest-first incoming and outgoing Circle USDC Transfer events for one address across a validated, bounded Base mainnet block range.

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

Field Value

URL https://apiacre.com/v1/crypto/base-usdc-transfers

Method POST

Price $0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

payTo 0xa0BFa4f07281c9b248DC3AED2217836BcA24869B

Seller apiacre.com

Catalogs cdp (row updated 2026-09-01)

Listed since (lower bound) 2026-09-01 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-01

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-09-01 (catalog-reported, not verified on chain)

Category (keyword rule) crypto-data

Templated path no

x402Version in catalog 2

Service name / tags API Acre · crypto, evm, base, ethereum, rpc

Unpaid probe (census of )

Field

Value

Probe

not probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

Field Value

Distinct payers 9

Payments 16

USDC volume $0.09

Median payment $0.001

First / last payment 2026-08-10 / 2026-09-29

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0xa0BFa4f07281c9b248DC3AED2217836BcA24869B

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "address": "0x1111111111111111111111111111111111111111",
   "block_tag": "safe",
   "direction": "any",
   "limit": 25,
   "lookback_blocks": 2000
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 1704
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://apiacre.com/v1/crypto/base-usdc-transfers' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'

The catalog declares POST. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/d56d3ec0c428/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"d56d3ec0c428"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on apiacre.com.