Discover / math-stats.x402tookit.com

Math and Statistics

■ Challenge detected

A/B conversion test: rates, relative lift, two-proportion z-test p-value, confidence interval and a significance verdict.

Listed price
$0.02
Challenge detected
1 of the last check
Median response
180 ms
Last checked
21 Oct, 00:26 UTC
In our index since
21 Oct 2026

Endpoint

curl -i https://math-stats.x402tookit.com/ab-test
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
10 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://math-stats.x402tookit.com

  • GET/distributionNo price listedProbability density or mass, cumulative probability and quantiles for normal, binomial, Poisson and Student t distributions.
  • GET/gcd-lcmNo price listedGreatest common divisor, least common multiple, Bezout coefficients and modular inverse for integers of any size.
  • GET/correlationNo price listedPearson and Spearman correlation of two lists with p-values, plus the least-squares line, R squared and an optional prediction.
  • GET/prime-factorNo price listedPrimality test and prime factorization of integers up to 10^19, with divisor count, divisor sum, Euler totient and number type.
  • GET/combinatoricsNo price listedExact counts: factorial, combinations, permutations, with repetition, derangements and Catalan numbers, as big integers.
  • GET/t-testNo price listedWelch two-sample or one-sample t-test: t statistic, degrees of freedom, p-value, confidence interval and Cohen's d.
  • GET/sample-sizeNo price listedRequired sample size for a survey (margin of error, optional finite population) or an A/B test (baseline, lift, power).
  • GET/confidence-intervalNo price listedConfidence interval for a mean (t interval from a list) or a proportion (Wilson and Wald from successes and trials).
  • GET/ab-testNo price listedA/B conversion test: rates, relative lift, two-proportion z-test p-value, confidence interval and a significance verdict.
  • GET/stats-describeNo price listedDescriptive statistics for a list of numbers: mean, median, mode, spread, quartiles, outliers, skewness and kurtosis.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 10 of 10 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/math-stats.x402tookit.com

Recent checks

21 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.21 Oct 2026
All 1 checks
When (UTC)ResultHTTPResponse
21 Oct, 00:26 UTCChallenge detected402180ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 21 Oct, 00:26 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Math and Statistics?

Its listed price is $0.02.

What payment terms does Math and Statistics advertise?

The listing advertises x402, Arbitrum, Base, Polygon, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Math and Statistics listed?

In x402 Bazaar. Superstables first indexed it on 21 Oct 2026.

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