x402 census · netintel.dev · 178558e64c36 · JSON

GET /username-check/lookup

unprobed

Check username availability across 20+ social platforms and developer sites simultaneously — returns which platforms have a profile registered under that handle so agents can find people, verify identities, scout brand handles, or check name availability before registration.

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://netintel.dev/username-check/lookup

Method GET

Price $0.03 USDC = 30000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

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

payTo 0xdaDc335482AD545296Fd7b28518A251fFCbEb9Df

Seller netintel.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) news/social

Templated path no

x402Version in catalog 2

Service name / tags NetIntel · username search, social media, osint, handle availability, profile lookup

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 121

Payments 848

USDC volume $23.56

Median payment $0.01

First / last payment 2026-06-05 / 2026-09-30

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0xdaDc335482AD545296Fd7b28518A251fFCbEb9Df

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "username": "johndoe"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "available_count": 10,
   "findings": [],
   "grade": "A",
   "results": [
    {
     "platform": "GitHub",
     "status": "taken",
     "url": "https://github.com/johndoe"
    },
    {
     "platform": "npm",
     "status": "available",
     "url": "https://www.npmjs.com/~johndoe"
    },
    {
     "platform": "Instagram",
     "status": "unknown",
     "url": "https://www.instagram.com/johndoe"
    }
   ],
   "score": 100,
   "taken_count": 8,
   "unknown_count": 4,
   "username": "johndoe"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://netintel.dev/username-check/lookup' -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/178558e64c36/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"178558e64c36"} 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.