Listed on x402Fi · 0% marketplace fee

Check a Stock Token
before you trade.

Know the Monday-gap risk on a loan.

Paid per request in USDG on Robinhood Chain. Data only — StockFi never holds funds, never signs, and never executes a trade or borrow.

SamplePreflight · AAPL · buy · $5,000
CAUTION
GOCAUTIONSTOP
WEEKEND_FEED_FREEZEDEX_PREMIUM  +1.40%

Preflight

One paid call before a swap.

A GO, CAUTION, or STOP from canonical address, trading halt and session, pending multiplier, Chainlink staleness, and DEX premium. A weekend feed freeze is expected CAUTION, not a generic failure.

$0.02 checks only·$0.05 with a route quote

Reopen Risk

Monday-gap stress on a loan.

A weekend-gap report for a Longbow loan that uses Stock Tokens as collateral. Read-only. We describe a suggested Guard as information only — we never build a transaction.

$0.03 snapshot·$0.10 full weekend report

How it works

$0.02Preflight checks $0.05Preflight + quote $0.03Reopen snapshot $0.10Weekend report

Request the endpoint

Call Preflight or Reopen Risk with a token or wallet.

Pay USDG via x402

Buyers pay the service wallet directly. We never hold funds.

Get a receipt

A 2xx body plus a SHA-256 of the response, ready to keep.

Listed on x402Fi, the dedicated x402 marketplace on Robinhood Chain. Listing is free, x402Fi takes 0%, and StockFi never holds funds.

Pricing

$0.02Preflight checks
$0.05Preflight + quote
$0.03Reopen snapshot
$0.10Weekend report