Preflight

● Live

modal.run

Copies a prompt for your agent.

Smart-contract security scan (static + custom DeFi detectors)

Claim this service

Price: $0.01; Asked in its payment challenge
Chain: Base
Paid in: USDC
Live: 2 of 2 checks

Endpoints

POSThttps://preflight--preflight-api-api.us-east.modal.run/v1/scan

$0.01 asked in its payment challenge on 14 Nov 2026

curl -i -X POST 'https://preflight--preflight-api-api.us-east.modal.run/v1/scan' \
  -H 'Content-Type: application/json' \
  -d '{"source":"contract Vault { mapping(address => uint256) balances; }","contract_name":"Vault"}'

5 more endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the first endpoint's example. Other endpoints have not been checked individually.

Base URLhttps://preflight--preflight-api-api.us-east.modal.run/v1

POST/address-risk$0.005Address risk heuristics

Example

curl -i -X POST 'https://preflight--preflight-api-api.us-east.modal.run/v1/address-risk' \
  -H 'Content-Type: application/json' \
  -d '{"address":"0x5515f59a30fe2b9152cd5648a3a0d8c30c837d41"}'

POST/scan/project$0.10Multi-file project security scan

Example

curl -i -X POST 'https://preflight--preflight-api-api.us-east.modal.run/v1/scan/project' \
  -H 'Content-Type: application/json' \
  -d '{"files":{"Vault.sol":"contract Vault {}"}}'

POST/sim$0.05Transaction pre-flight simulation (RPC eth_call)

Example

curl -i -X POST 'https://preflight--preflight-api-api.us-east.modal.run/v1/sim' \
  -H 'Content-Type: application/json' \
  -d '{"to":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","data":"0x","value_wei":"0"}'

POST/sim/deep$0.25Deep transaction simulation (anvil fork: gas, balance deltas, traces)

Example

curl -i -X POST 'https://preflight--preflight-api-api.us-east.modal.run/v1/sim/deep' \
  -H 'Content-Type: application/json' \
  -d '{"to":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","data":"0x","value_wei":"0"}'

POST/token-risk$0.05Token risk by address: honeypot verdict, transfer tax, owner privileges

Example

curl -i -X POST 'https://preflight--preflight-api-api.us-east.modal.run/v1/token-risk' \
  -H 'Content-Type: application/json' \
  -d '{"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"}'

A dash means the listing gives no price or method. {Braces} mark a value you fill in. Copy buttons copy an example URL.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/preflight--preflight-api-api.us-east.modal.run

Recent checks

12 Nov 2026Taller is slower; grey is not live.14 Nov 2026

Median response: 105 ms
Last checked: 14 Nov, 09:26 UTC

Our probes look for a payment challenge. They don't test payment or delivery.

All 2 checks

When (UTC)	Result	HTTP	Response
14 Nov, 09:26 UTC	Live	402	68ms
12 Nov, 18:26 UTC	Live	402	141ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 14 Nov, 09:26 UTC, it returned HTTP 402 or another detected payment-challenge signal.

What payment terms does 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.

Something wrong on this page? Tell us.