Discover / submitcheck.appin60.com

SubmitCheck

■ Challenge detected

Startup/SaaS/AI-tool launch directories re-checked live Oct 2026, filtered by category and free option. Each row: live status, submit URL, free/badge/queue/paid, lowest price, account needed, captcha, Tranco rank. Up to 50 rows sorted by popularity.

x402
Base
USDC

Listed price: $0.01
Challenge detected: 3 of the last 3 checks
Median response: 272 ms
Last checked: 16 Oct, 23:40 UTC
In our index since: 14 Oct 2026

Endpoint

curl -i https://submitcheck.appin60.com/api/v1/directories
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

4 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://submitcheck.appin60.com/api/v1

GET/check$0.01Check up to 20 launch-directory domains at once: our Oct 2026 record (live/dead/moved, free option, account, submit URL) for known ones, and a live HTTP check right now for unknown ones. Pass domains comma-separated.
GET/directory$0.002Look up one launch directory by domain: live/dead/moved status on our Oct 2026 check, submit URL, free option (yes/badge/queue/paid), lowest price, account and captcha. Covers 516 directories from 11 public lists.
GET/directories$0.01Startup/SaaS/AI-tool launch directories re-checked live Oct 2026, filtered by category and free option. Each row: live status, submit URL, free/badge/queue/paid, lowest price, account needed, captcha, Tranco rank. Up to 50 rows sorted by popularity.
GET/dead-directories$0.005Launch directories from 11 popular public lists that were dead, unreachable, erroring or redirecting to another site on our Oct 2026 live check (DNS re-checked over DoH). Drop them from a launch plan. Optional filter by status kind.

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

Showing 4 of 4 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/submitcheck.appin60.com

Recent checks

14 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 3 checks

When (UTC)	Result	HTTP	Response
16 Oct, 23:40 UTC	Challenge detected	402	332ms
15 Oct, 19:10 UTC	Challenge detected	402	272ms
14 Oct, 12:00 UTC	Challenge detected	402	184ms

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 SubmitCheck?

Its listed price is $0.01.

What payment terms does SubmitCheck 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 SubmitCheck listed?

In x402 Bazaar. Superstables first indexed it on 14 Oct 2026.

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