Over-unity claim check
x402-archive.claimcheck.workers.dev
One archived claim about a free-energy or propulsion device (over-unity coils, excess heat, propellantless thrusters), by id. Returns the claim, the verbatim quote and its source, the archive's explanation (for example a measurement error) with its reasoning, the observation that would overturn that explanation, any published null result or preregistered test, and a Merkle proof. Useful for checki
- Category
- Service
- Networks
- Base
- Starting price
- $0.01
- Paid calls, 30 days
- 9
- Payers, 30 days
- 2
How to pay
Call an endpoint, read the price in the 402 answer, and pay from your own wallet with any x402 client on Base. The payment goes straight to the provider: Autonomo lists this API but isn't part of the payment. See The x402 directory.
Paid endpoints
6 endpoints, sorted by usage. Prices are per request.
| Endpoint | Price | Network | Facilitator | Calls / 30d |
|---|---|---|---|---|
GET/v1/archive/claim/:claim_id One archived claim about a free-energy or propulsion device (over-unity coils, excess heat, propellantless thrusters), by id. Returns the claim, the verbatim quote and its source, the archive's explanation (for example a measurement error) with its reasoning, the observation that would overturn that explanation, any published null result or preregistered test, and a Merkle proof. Useful for checking whether such a claim has a known mundane explanation. Unknown ids get a free 404. | $0.01 | Base | Coinbase CDP | 3 |
GET/v1/live/question/:qid An open forecasting question: the latest probability from each forecasting method that answered, with when it was made, each method's name and version, and which methods abstained. Unknown or closed ids get a free 404. | $0.01 | Base | Coinbase CDP | 2 |
GET/v1/archive/device/:slug The archived claims about one named device (for example the Rodin coil): the device's name and the id of every claim about it, each answerable on the claim route. Device slugs are listed free at /v1/index. | $0.01 | Base | Coinbase CDP | 1 |
GET/v1/archive/search/:q Text search over archived claims about free-energy, over-unity and propulsion devices, each tied to a verbatim source quote. Returns up to 10 matches with their claim ids, for use with the claim route. Useful for finding what has been claimed about a device or effect, and by whom. | $0.01 | Base | Coinbase CDP | 1 |
GET/v1/calibration/arm/:arm The track record of one forecasting method: how many questions it forecast or skipped, log score, Brier score and a calibration curve, with how many forecasts were made before and after the question closed. Method slugs are listed free at /v1/index. | $0.01 | Base | Coinbase CDP | 1 |
GET/v1/calibration/question/:qid One resolved forecasting question (crypto price moves, NFL games and NFL player props): the probability each forecasting method gave, marked as made before or after the close, the outcome, and each method's score. Useful for auditing a forecaster on a specific question. | $0.01 | Base | Coinbase CDP | 1 |
Is this your project? Suggest an edit.