x402 census · one-search.one-engine.workers.dev · 7cd437fb0782 · JSON

POST /v1/email/verify

unprobed

Basic email validation with syntax, MX, disposable-domain and role-address checks

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://one-search.one-engine.workers.dev/v1/email/verify

Method POST

Price $0.0024 USDC = 2400 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x5330F694c840B32124f16675c1777903f5F12686

Seller one-search.one-engine.workers.dev

Catalogs payai (row updated 2026-09-29)

Listed since (lower bound) 2026-09-29 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-29

CDP quality counters not in the CDP catalog

Category (keyword rule) domains/dns

Templated path no

x402Version in catalog 2

Service name / tags none

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 $0.09

Median payment n/a

First / last payment 2026-09-28 / 2026-09-29

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 0x5330F694c840B32124f16675c1777903f5F12686

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "email": "user@example.com"
  },
  "type": "http",
  "method": "POST",
  "bodyType": "json"
 },
 "output": {
  "type": "json",
  "example": {
   "risk": "low",
   "email": "user@example.com",
   "scope": "Syntax, MX and basic domain heuristics only. No SMTP mailbox existence check.",
   "checks": {
    "mx_found": true,
    "syntax_valid": true,
    "disposable_domain": false,
    "role_based_local_part": false
   },
   "product": "email_verify_basic"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://one-search.one-engine.workers.dev/v1/email/verify' -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/7cd437fb0782/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"7cd437fb0782"} 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 · this record as JSON · all resources on one-search.one-engine.workers.dev.