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api.agentstools.dev marketing experiment
https://api.agentstools.dev/marketing/experiment
answers 402
A/B test significance with a two-proportion z-test: observed lift, z-score, two-sided p-value, confidence interval on the lift, minimum detectable effect, and sample-size sufficiency. Pure computation over your inputs.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.02
- Network
- base
- Pay to
- 0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 173 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:16:50.941Z (2h ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.agentstools.dev%2Fmarketing%2Fexperiment"