Discover / email-verify-api-production-d262.up.railway.app

email-verify-api-production-d262.up.railway.app

■ Challenge detected

Verify a single email: syntax, MX records, SMTP RCPT probe, catch-all, disposable, role-based, free-provider, typo suggestion, 0-100 score, and verdict.

x402
Base
USDC

Listed price: $0.001
Challenge detected: 9 of the last 9 checks
Median response: 124 ms
Last checked: 16 Oct, 13:59 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://email-verify-api-production-d262.up.railway.app/verify
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

3 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://email-verify-api-production-d262.up.railway.app

POST/domain-check$0.001Check whether a domain has valid MX records and is not on the disposable list; also reports free-provider.
POST/verify$0.001Verify a single email: syntax, MX records, SMTP RCPT probe, catch-all, disposable, role-based, free-provider, typo suggestion, 0-100 score, and verdict.
POST/bulk-verify$0.001Verify up to 100 emails in one call; returns a per-email record matching /verify.

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

Showing 3 of 3 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/email-verify-api-production-d262.up.railway.app

Recent checks

2 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)	Result	HTTP	Response
16 Oct, 13:59 UTC	Challenge detected	402	413ms
15 Oct, 04:47 UTC	Challenge detected	402	101ms
13 Oct, 20:45 UTC	Challenge detected	402	115ms
11 Oct, 19:34 UTC	Challenge detected	402	174ms
10 Oct, 03:32 UTC	Challenge detected	402	125ms
9 Oct, 00:47 UTC	Challenge detected	402	125ms
7 Oct, 21:31 UTC	Challenge detected	402	112ms
6 Oct, 21:30 UTC	Challenge detected	402	124ms
2 Oct, 05:04 UTC	Challenge detected	402	101ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 13:59 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 email-verify-api-production-d262.up.railway.app?

Its listed price is $0.001.

What payment terms does email-verify-api-production-d262.up.railway.app 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 email-verify-api-production-d262.up.railway.app listed?

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

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