Discover / app.heinrichstech.com

app.heinrichstech.com

■ Challenge detected

BitBooth echo endpoint — pays a tiny USDC fee, returns a JSON echo. Reference implementation of the x402 + CDP Facilitator + Bazaar discovery loop.

x402
Base
Solana
Stellar
Xrpl
USDC
utility

Listed price: $0.001
Challenge detected: 10 of the last 10 checks
Median response: 128 ms
Last checked: 17 Oct, 07:50 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://app.heinrichstech.com/v1/cdp/echo
# 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://app.heinrichstech.com/v1/cdp

POST/webhook-sig-verifyNo price listedBitBooth Webhook Signature Verify: pay 0.005 USDC, verify a webhook signature against the provider's canonical HMAC scheme. Supports stripe, github, vercel, cdp, slack, and generic HMAC-SHA256. Constant-time compare, clock-skew tolerance on timestamp-bearing providers (Stripe / Slack / CDP). Stateless — caller supplies their secret in the request body, we never store it.
POST/echoNo price listedBitBooth echo endpoint — pays a tiny USDC fee, returns a JSON echo. Reference implementation of the x402 + CDP Facilitator + Bazaar discovery loop.
POST/whoisNo price listedBitBooth Whois: pay 0.01 USDC, get the parsed whois record for any domain — registrar, creation/updated/expiry dates, name servers, status flags, plus the raw whois text. Two-hop resolution via whois.iana.org then the authoritative registry over TCP port 43. 5s per-connection timeout cap. Rejects IPv4/IPv6 inputs and blocks SSRF at the DNS layer. Built for agents auditing domain ownership, monitoring expiry, or pre-flighting a target.

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/app.heinrichstech.com

Recent checks

26 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, 07:50 UTC	Challenge detected	402	185ms
15 Oct, 23:42 UTC	Challenge detected	402	103ms
14 Oct, 19:26 UTC	Challenge detected	402	204ms
12 Oct, 15:35 UTC	Challenge detected	402	107ms
10 Oct, 21:52 UTC	Challenge detected	402	89ms
9 Oct, 15:32 UTC	Challenge detected	402	317ms
8 Oct, 12:43 UTC	Challenge detected	402	89ms
7 Oct, 09:33 UTC	Challenge detected	402	141ms
6 Oct, 09:33 UTC	Challenge detected	402	156ms
26 Sept, 17:02 UTC	Challenge detected	402	114ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 07:50 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 app.heinrichstech.com?

Its listed price is $0.001.

What payment terms does app.heinrichstech.com advertise?

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

Where is app.heinrichstech.com listed?

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

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