x402 census · saylorinnovations.com · e57605216d57 · JSON

GET /api/news/sentiment

live

Crypto Market Sentiment (Fear & Greed + news mood). Crypto market sentiment in one call: Fear & Greed Index now vs yesterday, 7-day and 30-day averages and trend, plus the bullish/bearish mood of the last 24h of news overall and per coin, with the strongest headlines each way. Optional ?coin=.

Verdict: live. The unpaid GET reached a valid 402 (confirmed by the re-probe of 2026-10-01). The live amount equals the catalog price.

Facts from the catalogs

Field Value

URL https://saylorinnovations.com/api/news/sentiment

Method GET

Price $0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, eip155:137, eip155:42161

payTo 0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa

Seller saylorinnovations.com

Catalogs cdp (row updated 2026-09-25), payai (row updated 2026-09-29)

Listed since (lower bound) 2026-09-25 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-29

CDP quality counters 2 calls and 1 unique payers in 30 days, last call 2026-09-25 (catalog-reported, not verified on chain)

Category (keyword rule) crypto-data

Templated path no

x402Version in catalog 2

Service name / tags · crypto, news, sentiment

Unpaid probe (census of 2026-09-30)

Field Value

Probed at 2026-09-30T23:46:34.227Z

HEAD 402

GET 402

Verdict live live: valid 402 to an unpaid GET

402 carried in header+body

x402Version in the 402 2

accepts[0] {"scheme":"exact","network":"eip155:8453","amount":"2000","payTo":"0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":120,"extra":{"name":"USD Coin","version":"2"}}

Live amount equals catalog price yes

Live payTo equals catalog payTo yes

extensions.bazaar in the 402 yes

PAYMENT-REQUIRED header yes

WWW-Authenticate offer none

Content type / server / CORS application/json / cloudflare / *

Latency 1,528 ms

Error Payment required to access this resource.

Latest re-probe

Field Value

Re-probed at 2026-10-01T07:13:42.000Z (cron)

Verdict now live unchanged

HEAD / GET 402 / 402

Live amount equals catalog price yes

Latency 556 ms

Error none

On-chain facts for the payTo (public address)

Field Value

Distinct payers 2

Payments 6

USDC volume $0.02

Median payment $0.0025

First / last payment 2026-09-27 / 2026-09-29

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "by_coin": [
    {
     "coin": "BTC",
     "headlines": 38,
     "mood": "bullish",
     "net_score": 0.2
    }
   ],
   "fear_greed": {
    "avg_30d": 62,
    "avg_7d": 74,
    "label": "Greed",
    "trend": "rising",
    "value": 71,
    "yesterday": 71
   },
   "generated_at": "2026-09-24T19:30:00.000Z",
   "news_24h": {
    "bearish": 33,
    "bullish": 41,
    "headlines": 140,
    "mood": "neutral",
    "net_score": 0.05,
    "neutral": 66
   }
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://saylorinnovations.com/api/news/sentiment' -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/e57605216d57/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"e57605216d57"} 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: PayAI listing status · agentic.market (CDP Bazaar front end) · this record as JSON · all resources on saylorinnovations.com.