math.openverbs.com
answeringParse an expression and return the free variables it references, without evaluating it — so an agent can discover which inputs a formula needs before supplying values. A syntax error is a clean 400.
- Endpoint
- https://math.openverbs.com/v1/variables
- Price
- $0.004 / call
- Settles via
- cdp
- Category
- —
- Last seen live
- Tue, 08 Sep 2026 05:24:25 UTC
- Last probed
- Tue, 08 Sep 2026 05:24:25 UTC
- First indexed
- Tue, 08 Sep 2026 05:22:25 UTC
- Sources
- cdp-x402
Probe history
Last 1 probes, newest on the right. 100% answered with a payment challenge.
| When | Result | Method | Status | Latency |
|---|---|---|---|---|
| Tue, 08 Sep 2026 05:24:25 UTC | challenge | http-402 | 402 | 1695 ms |
JSON: /api/v1/services/math.openverbs.com. Own this service? Update the listing.