Discover / kychange.com

kychange

□ No challenge detected

Swap $0.10 of USDC on Base into sats on Bitcoin Lightning: pay this route over x402, name a Lightning address or a BOLT11 invoice for exactly the quoted sats (or with no amount), and the desk pays the sats within seconds with the preimage as the receipt. Testnet instance: Base Sepolia USDC in, Lightning testnet3 sats out.

x402
Base Sepolia
USDC

Listed price: $0.1
Challenge detected: 0 of the last check
Last checked: 15 Oct, 00:26 UTC
In our index since: 14 Oct 2026

Endpoint

curl -i https://kychange.com/api/sats/0.10
# 402 Payment Required: pay with an x402 client (USDC on Base Sepolia),
# then send the same request again with the payment attached.

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

Recent checks

15 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.15 Oct 2026

All 1 checks

When (UTC)	Result	HTTP	Response
15 Oct, 00:26 UTC	No challenge detected	405	647ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 15 Oct, 00:26 UTC, we detected no payment challenge.

What price is recorded for kychange?

Its listed price is $0.1.

What payment terms does kychange advertise?

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

Where is kychange listed?

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

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