Discover / preflight.madebydevx.com
DevX Base Tx Preflight
● LiveBlockchainPreflight 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
- Chain
- Base
- Paid in
- USDC
- Live
- 2 of the last 2 checks
- Median response
- 84 ms
- Last checked
- 7 Nov, 21:23 UTC
- In our index since
- 6 Nov 2026
Our probes look for a payment challenge. They don't test payment or delivery.
Endpoint
curl -i https://preflight.madebydevx.com/v1/preflight
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
All 2 checks
| When (UTC) | Result | HTTP | Response |
|---|---|---|---|
| 7 Nov, 21:23 UTC | Live | 402 | 109ms |
| 6 Nov, 06:23 UTC | Live | 402 | 59ms |
Questions
Did our last probe detect a payment challenge?
At our last probe on 7 Nov, 21:23 UTC, it returned HTTP 402 or another detected payment-challenge signal.
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.
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