Discover / 402cron.com

402cron: Scheduled Webhooks

■ Challenge detected

Cron job scheduler for AI agents: calls your HTTPS endpoint on a cron expression (recurring webhook, scheduled callback, heartbeat, reminder). ENTRY pack: 20 deliveries for $0.02 ($0.001/delivery). Same service, best rate $0.0005/delivery: https://402cron.com/buy/starter. Also 50000 for $25: https://402cron.com/buy/month. Credits never expire. Your endpoint must echo our challenge (no fixed-reply hooks). HMAC-signed, 3 attempts then auto-pause. No account, no human.

x402
Base
USDC
Compute

Listed price: $0.02
Challenge detected: 10 of the last 10 checks
Median response: 120 ms
Last checked: 17 Oct, 08:59 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://402cron.com/buy/trial
# 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://402cron.com/buy

GET/trial$0.02Cron job scheduler for AI agents: calls your HTTPS endpoint on a cron expression (recurring webhook, scheduled callback, heartbeat, reminder). ENTRY pack: 20 deliveries for $0.02 ($0.001/delivery). Same service, best rate $0.0005/delivery: https://402cron.com/buy/starter. Also 50000 for $25: https://402cron.com/buy/month. Credits never expire. Your endpoint must echo our challenge (no fixed-reply hooks). HMAC-signed, 3 attempts then auto-pause. No account, no human.
GET/starter$1Cron for AI agents: signed HTTP deliveries on a cron expression. BEST-RATE pack: 2000 delivery credits for $1 ($0.0005/delivery) - intro price at the volume rate. Same service, smallest entry $0.02 at https://402cron.com/buy/trial. Ladder: 20/$0.02, 2000/$1, 50000/$25. All packs: https://402cron.com/api/pricing. Credits never expire. Needs your own https:// endpoint that echoes our challenge (no fixed-reply hooks). HMAC-signed, 3 attempts then auto-pause. No account, no card, no human.

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/402cron.com

Recent checks

29 Sept 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.17 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 08:59 UTC	Challenge detected	402	125ms
16 Oct, 08:13 UTC	Challenge detected	402	178ms
14 Oct, 23:56 UTC	Challenge detected	402	176ms
13 Oct, 10:39 UTC	Challenge detected	402	42ms
11 Oct, 10:02 UTC	Challenge detected	402	117ms
9 Oct, 21:31 UTC	Challenge detected	402	122ms
8 Oct, 18:39 UTC	Challenge detected	402	87ms
7 Oct, 15:42 UTC	Challenge detected	402	107ms
6 Oct, 15:31 UTC	Challenge detected	402	168ms
29 Sept, 05:02 UTC	Challenge detected	402	62ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 08:59 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 402cron: Scheduled Webhooks?

Its listed price is $0.02.

What payment terms does 402cron: Scheduled Webhooks 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 402cron: Scheduled Webhooks listed?

In x402-list.com and x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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