Countersignatory

countersignatory.com · 1 paid endpoint · listed 2026-10-27

One screened human answers an approval, verification or judgment task: approve or reject, true or false, or a label, with a reason and the responder's disclosed identity. $1.25 at a 24-hour deadline. Answered by hand within the deadline or refunded in full automatically. Refused: CAPTCHAs, logins, third-party contact, medical, legal or financial advice.

livelast check 37 h ago

100%valid x402 answers, 72 h

$0.00USDC received on Base, 7 days

0distinct payers, 7 days

50.0score (0-100)

Paid endpoints

Method	Endpoint	Price	Networks
POST	countersignatory.com/v1/x402/check One screened human answers an approval, verification or judgment task: approve or reject, true or false, or a label, with a reason and the responder's disclosed	$1.25	Base

Latest checks

When	Endpoint	HTTP	ms	Result
37 h ago	countersignatory.com/v1/x402/check	402	158	valid x402 v2 terms
7 days ago	countersignatory.com/v1/x402/check	402	1191	valid x402 v2 terms

Income on Base (7 days)

Day		Transfers	USDC
No USDC received on Base in the last 7 days (or the payout address is on another network).

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<a href="https://logicnodes.io/observatory/p/countersignatory.com"><img src="https://logicnodes.io/observatory/badge/countersignatory.com.svg" alt="x402 status"></a>

Claim it for free with x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.

Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/countersignatory.com