x402 census · cyre.dev · 1dfbfbe6a3c8 · JSON

GET /api/circuit/heartbeat

unprobed

Guardian Circuit Breaker heartbeat — prove the agent loop is alive; returns rotated circuit token with fresh lastBeatAt. Patterns, not verdicts. Agent guide: https://cyre.dev/SKILL.md

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://cyre.dev/api/circuit/heartbeat

Method GET

Price $0.001 USDC = 1000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base); also accepts solana:EtWTRABZaYq6iMfeYKouRu166VU2xqa1

payTo 0x9Ff25C4acf1DcDDf15fD2702C127A285f1dFa712

Seller cyre.dev

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

Category (keyword rule) trading-signals

Templated path no

x402Version in catalog 2

Service name / tags CYRE Guardian · circuit, heartbeat, operator, agents

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 1

Payments 1

USDC volume $0.005

Median payment $0.005

First / last payment 2026-08-30 / 2026-08-30

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0x9Ff25C4acf1DcDDf15fD2702C127A285f1dFa712

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "token": "<circuit-token>"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "disclaimer": "Patterns, not verdicts.",
   "kind": "cyre-circuit-heartbeat",
   "ok": true,
   "token": "…"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://cyre.dev/api/circuit/heartbeat' -H 'accept: application/json'

The catalog declares GET. 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/1dfbfbe6a3c8/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"1dfbfbe6a3c8"} 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 cyre.dev.