x402 census · relay402.georgespring.workers.dev · 3c7c3e5514c2 · JSON
GET /api/web-email-deliverability
live
email deliverability and spoofing check from DNS: MX, SPF and DMARC records with concise risk flags.
Verdict: live. The unpaid GET reached a valid 402 (confirmed by the re-probe of 2026-10-02).
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://relay402.georgespring.workers.dev/api/web-email-deliverability |
| Method | GET |
| Price | $0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0x73fc43d426a89577c7b58f5fee50ec95d4396079 |
| Seller | relay402.georgespring.workers.dev |
| Catalogs | payai (row updated 2026-09-30) |
| Listed since (lower bound) | 2026-09-30 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-30 |
| CDP quality counters | not in the CDP catalog |
| Category (keyword rule) | domains/dns |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | Email deliverability · web, email, deliverability, dns |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
Latest re-probe
| Field | Value |
|---|---|
| Re-probed at | 2026-10-02T21:13:27.000Z (cron) |
| Verdict now | live changed from unprobed |
| HEAD / GET | 402 / 402 |
| accepts[0] | {"scheme":"exact","network":"eip155:8453","amount":"5000","payTo":"0x73fc43d426a89577c7b58f5fee50ec95d4396079","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":120,"extra":{"name":"USD Coin","version":"2"}} |
| Live amount equals catalog price | yes |
| Latency | 2,309 ms |
| Error | none |
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Distinct payers | 2 |
| Payments | 50 |
| USDC volume | $1.74 |
| Median payment | n/a |
| First / last payment | 2026-09-13 / 2026-09-30 |
| 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 | 0x73fc43d426a89577c7b58f5fee50ec95d4396079 |
Declared input and output (extensions.bazaar)
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"domain": "example.com"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://relay402.georgespring.workers.dev/api/web-email-deliverability' -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/3c7c3e5514c2/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"3c7c3e5514c2"} 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 relay402.georgespring.workers.dev.