Discover / relay.preflightstack.com

Temporary File Relay

□ No challenge detected

Create a temporary public HTTPS download URL for an artifact generated by an agent or tool when the sending and receiving systems do not share storage. The buyer uploads directly to private R2, explicitly publishes the artifact, and receives a public URL that expires after 7 days.

x402
Base
USDC

Listed price: $0.005
Challenge detected: 0 of the last 9 checks
Last checked: 16 Oct, 13:59 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://relay.preflightstack.com/v1/file-slot
# 402 Payment Required: pay with an x402 client (USDC on Base),
# 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/relay.preflightstack.com

Recent checks

27 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.16 Oct 2026

All 9 checks

When (UTC)	Result	HTTP	Response
16 Oct, 13:59 UTC	No challenge detected	404	165ms
14 Oct, 23:56 UTC	No challenge detected	404	260ms
13 Oct, 14:18 UTC	No challenge detected	404	280ms
11 Oct, 10:02 UTC	No challenge detected	404	137ms
9 Oct, 21:31 UTC	No challenge detected	404	112ms
8 Oct, 15:35 UTC	No challenge detected	404	163ms
7 Oct, 09:33 UTC	No challenge detected	404	541ms
6 Oct, 09:33 UTC	No challenge detected	404	123ms
27 Sept, 05:02 UTC	No challenge detected	404	99ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 16 Oct, 13:59 UTC, we detected no payment challenge.

What price is recorded for Temporary File Relay?

Its listed price is $0.005.

What payment terms does Temporary File Relay 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 Temporary File Relay listed?

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

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