passlisted in Coinbase#2 by calls of 6 on this host
0.004 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 100% / 100% / 100%
- Calls, trailing 30 days
- 3
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-09-06 08:14 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.004 USDC
- Networks
- 1
How big is this endpoint among the ones like it?
No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 29 observations, and 3 changes are the fewest this site will draw a trace through, because two points and a guess are not a series. Every observation is in the JSON.
numtheory.openverbs.com serves is prime, a POST endpoint that TOLL places in the "other" category, listed in the Coinbase registry.
A call to is prime costs 0.004 USDC on Base, as declared.
is prime takes a json body with the field n.
No output metadata is declared; that is an advisory gap, not breakage.
is prime answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
is prime is one of 6 listed endpoints on numtheory.openverbs.com, tied 2nd by calls with 4 others among them.
is prime takes 16% of the calls counted across numtheory.openverbs.com.
Over 30 days: 3 calls, one payer.
is prime was last called 10 days before the snapshot.
Closest in price to is prime within the "other" category: phone intelligence at x402.orthogonal.com and gauge strata at api.truthbear.co.
is prime is priced above 54% of comparable listings in the "other" category.
is prime out-counts 77% of the 2,772 endpoints in the "other" category that carry counters.
The wallet paid by is prime is the payee of 370 endpoints across 89 hosts.
The seller's own tags are primality test, check prime number, is prime api and miller rabin test.
98 other listings in the "other" category declare exactly the same price.
the payment options, as of 2026-09-15 21:20 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.004 USDC | exact | 0xb3f4de…C2194A |
the checks, as of 2026-09-15 05:57 UTC · method · pinnableendpoint answered HTTP 402
bazaar.info.output· advisory, does not affect the verdict · output metadata is present (advisory)
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 05:57 UTC | pass | 1 | daily-2026-09-15 |
| 2026-09-14 05:28 UTC | pass | 1 | daily-2026-09-14 |
| 2026-09-13 05:23 UTC | pass | 1 | daily-2026-09-13 |
| 2026-09-12 07:40 UTC | pass | 1 | daily-2026-09-12 |
| 2026-09-11 11:29 UTC | pass | 1 | daily-2026-09-11 |
Presence in a registry, not liveness of the service (method). Newest first.
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-09-06 08:14 UTC · method · live
The input and output block
{
"input": {
"body": {
"n": "42"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": null
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-15 21:20 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "is prime on numtheory.openverbs.com", snapshot of 2026-09-15 21:20 UTC. https://tollindex.com/e/numtheory-openverbs-com-v1-is-prime-985873/at/2026-09-15T21-20Z. Accessed [access date].
BibTeX
@misc{toll-e-numtheory-openverbs-com-v1-is-prime-985873-2026-09-15T21-20Z,
author = {TOLL},
title = {is prime on numtheory.openverbs.com},
howpublished = {\url{https://tollindex.com/e/numtheory-openverbs-com-v1-is-prime-985873/at/2026-09-15T21-20Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-15 21:20 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.