Discover / preflight.madebydevx.com

DevX Base Tx Preflight

● Live

Preflight any Base transaction before you sign it: simulates the call against latest state (success or decoded revert reason), estimates gas with a safe limit, and prices the full fee (L2 execution + L1 data upper bound) in ETH and USD, plus the ETH balance needed. 0.50 USDC via x402 on Base.

Listed price
$0.5
Live
1 of the last check
Median response
88 ms
Last checked
6 Nov, 06:25 UTC
In our index since
6 Nov 2026

Endpoint

curl -i https://preflight.madebydevx.com/v1/preflight
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.
1 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.

  • POSThttps://preflight.madebydevx.com/v1/preflight$0.5Preflight any Base transaction before you sign it: simulates the call against latest state (success or decoded revert reason), estimates gas with a safe limit, and prices the full fee (L2 execution + L1 data upper bound) in ETH and USD, plus the ETH balance needed. 0.50 USDC via x402 on Base.

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

Showing 1 of 1 listed endpoints.

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

Recent checks

6 Nov 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 the endpoint was not live. “Live” means it answered with HTTP 402 or another detected payment-challenge signal.6 Nov 2026
All 1 checks
When (UTC)ResultHTTPResponse
6 Nov, 06:25 UTCLive40288ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 6 Nov, 06:25 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 DevX Base Tx Preflight?

Its listed price is $0.5.

What payment terms does DevX Base Tx Preflight 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 DevX Base Tx Preflight listed?

In x402 Bazaar. Superstables first indexed it on 6 Nov 2026.

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