Agent Exchange x402 census and directory

x402 census · netintel.dev · 80a31cb75c12 · JSON

POST /sentiment/analyze

live

Sentiment analysis API — analyze sentiment of text and get a text sentiment score in one call: classifies positive / negative / neutral / mixed polarity with a -1 to +1 sentiment score, plus emotion detection in text (joy, anger, sadness, fear, surprise, disgust, trust, anticipation). Aspect-based sentiment and opinion mining for customer feedback analysis — analyze reviews, support tickets, soci…

Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.

Facts from the catalogs

FieldValue
URLhttps://netintel.dev/sentiment/analyze
MethodPOST
Price$0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
payTo0xdaDc335482AD545296Fd7b28518A251fFCbEb9Df
Sellernetintel.dev
Catalogscdp (row updated 2026-09-30)
Listed since (lower bound)2026-09-30 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-30
CDP quality counters2 calls and 2 unique payers in 30 days, last call 2026-09-30 (catalog-reported, not verified on chain)
Category (keyword rule)inference/llm
Templated pathno
x402Version in catalog2
Service name / tagsNetIntel · sentiment analysis, aspect sentiment, emotion detection, text analysis, llm

Unpaid probe (census of 2026-10-01)

FieldValue
Probed at2026-10-01T00:00:35.027Z
HEAD402
GET402
Verdictlive live: valid 402 to an unpaid GET
402 carried inheader+body
x402Version in the 4022
accepts[0]{"scheme":"exact","network":"eip155:8453","amount":"2000","payTo":"0xdaDc335482AD545296Fd7b28518A251fFCbEb9Df","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}}
Live amount equals catalog priceyes
Live payTo equals catalog payToyes
extensions.bazaar in the 402no
PAYMENT-REQUIRED headeryes
WWW-Authenticate offernone
Content type / server / CORSapplication/json / railway-hikari / *
Latency1,669 ms
ErrorPayment required

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)

FieldValue
Distinct payers121
Payments848
USDC volume$23.56
Median payment$0.01
First / last payment2026-06-05 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xdaDc335482AD545296Fd7b28518A251fFCbEb9Df

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "aspects": [
    "food",
    "service",
    "price"
   ],
   "text": "The food was absolutely delicious and the staff were so friendly, but the prices were a bit steep."
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "aspects": {
    "food": {
     "polarity": "positive",
     "score": 0.9
    },
    "price": {
     "polarity": "negative",
     "score": -0.4
    },
    "service": {
     "polarity": "positive",
     "score": 0.8
    }
   },
   "confidence": 0.86,
   "emotions": [
    "joy",
    "trust"
   ],
   "findings": [],
   "grade": "A",
   "polarity": "mixed",
   "score": 0.2,
   "service_score": 100
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://netintel.dev/sentiment/analyze' -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/80a31cb75c12/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"80a31cb75c12"} 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 netintel.dev.