x402 census · sigtap-outreach-api.sigtap.workers.dev · 002b58db7380 · JSON
GET /deliverability
unprobed
Email deliverability check: SPF, DKIM, DMARC and MX record audit for a sending domain
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://sigtap-outreach-api.sigtap.workers.dev/deliverability |
| Method | GET |
| Price | $0.003 USDC = 3000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0x963d450CA601d52B5D92a8540Aea8D4272223ae1 |
| Seller | sigtap-outreach-api.sigtap.workers.dev |
| Catalogs | payai (row updated 2026-09-09) |
| Listed since (lower bound) | 2026-09-09 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-09 |
| 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 | 50 |
| USDC volume | $0.12 |
| Median payment | n/a |
| First / last payment | 2026-09-08 / 2026-09-12 |
| 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 | 0x963d450CA601d52B5D92a8540Aea8D4272223ae1 |
Try it (unpaid: shows the 402)
curl -si -X GET 'https://sigtap-outreach-api.sigtap.workers.dev/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/002b58db7380/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"002b58db7380"} 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 sigtap-outreach-api.sigtap.workers.dev.