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hyperextend

Derived two-sided open interest for a HIP-4 outcome market, per minute (circulating-supply times mark, summed over both sides). Priced per row ($0.000025 premium); served live. Takes the integer outcome id (e.g. 100).

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Our latest check (2026-10-13)

Answering
Yes — valid x402 payment terms
Time to answer
31 ms
Price
not stated
Paying buyers, last 30 days
2 (directory's own records)
Paid calls, last 30 days
2
Category
Insurance
Address
https://api.hyperextend.xyz/v1/outcome/100/oi

Accuracy: paid answers checked against an independent record

Not yet in our paid checks. A seller we have not checked has neither passed nor failed.

For agents

This page as JSON: /sellers/1927a6484ecf.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

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