x402 census · x402-data-api.x402agent.workers.dev · 8b1c1de8b3de · JSON

GET /sec-change-signal

unprobed

Binary SEC change signal since a date: changed true or false, filing count, form types and the latest official EDGAR filing.

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://x402-data-api.x402agent.workers.dev/sec-change-signal

Method GET

Price $0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x3a137ae81cfd1ea48414c85db362591fd238d3cc

Seller x402-data-api.x402agent.workers.dev

Catalogs cdp (row updated 2026-09-19)

Listed since (lower bound) 2026-09-19 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-19

CDP quality counters 1 calls and 1 unique payers in 30 days, last call 2026-09-19 (catalog-reported, not verified on chain)

Category (keyword rule) trading-signals

Templated path no

x402Version in catalog 2

Service name / tags vellum-sec-change-signal

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 2

Payments 23

USDC volume $8.27

Median payment n/a

First / last payment 2026-09-17 / 2026-09-19

Sampler-shaped share of payments n/a

Payers that are not samplers n/a

Source blockscout-sample — newest page of inbound ERC-20 transfers only (<=50); counts are a floor, not a total

Address 0x3a137ae81cfd1ea48414c85db362591fd238d3cc

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "changed": true,
   "company": {
    "cik": "0000320193",
    "name": "Apple Inc.",
    "ticker": "AAPL"
   },
   "forms": [
    "8-K"
   ],
   "new_filing_count": 1,
   "service": "vellum-sec-change-signal",
   "source": "SEC EDGAR",
   "window": {
    "days": 7,
    "since": "2026-09-12",
    "until": "2026-09-19"
   }
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://x402-data-api.x402agent.workers.dev/sec-change-signal' -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/8b1c1de8b3de/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"8b1c1de8b3de"} 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 x402-data-api.x402agent.workers.dev.