Discover / mail.halowerk.com

Agent Email Check

■ Challenge detected

DNS and list based verification. Never claims that a mailbox exists without evidence: without an SMTP probe the verdict for a routable address is "unknown", not "valid".

Listed price
$0.001
Challenge detected
9 of the last 9 checks
Median response
336 ms
Last checked
16 Oct, 23:40 UTC
In our index since
26 Sept 2026

Endpoint

curl -i https://mail.halowerk.com/email
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.
2 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://mail.halowerk.com

  • POST/email$0.001DNS and list based verification. Never claims that a mailbox exists without evidence: without an SMTP probe the verdict for a routable address is "unknown", not "valid".
  • POST/email/batch$0.001Check up to 100 email addresses in one paid call, billed per address.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 2 of 2 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/mail.halowerk.com

Recent checks

3 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026
All 9 checks
When (UTC)ResultHTTPResponse
16 Oct, 23:40 UTCChallenge detected402325ms
15 Oct, 19:10 UTCChallenge detected402336ms
14 Oct, 14:31 UTCChallenge detected402521ms
12 Oct, 10:53 UTCChallenge detected402330ms
10 Oct, 15:44 UTCChallenge detected402403ms
9 Oct, 09:34 UTCChallenge detected402342ms
8 Oct, 06:42 UTCChallenge detected402322ms
7 Oct, 03:32 UTCChallenge detected402378ms
3 Oct, 17:05 UTCChallenge detected402308ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 23:40 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Agent Email Check?

Its listed price is $0.001.

What payment terms does Agent Email Check advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Agent Email Check listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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