seeded holdout assignment derived
api.delx.aiRandomnessderived
POST https://api.delx.ai/api/v1/x402/seeded-holdout-assignment
passlisted in Coinbase#12 by calls of 240 on this host
0.001 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
- 2
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-08-18 19:14 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.001 USDC
- Networks
- 2
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.
seeded holdout assignment shares api.delx.ai with 239 other listed endpoints and is tied 12th by calls with 144 others.
Callers of seeded holdout assignment supply a json body with the fields seed, subject and holdout_fraction.
A response from seeded holdout assignment, as declared, includes result, schema, status, evidence and operation.
One payer accounts for all 2 calls to seeded holdout assignment over 30 days.
The last call to seeded holdout assignment came 28 days before the snapshot, 2026-08-18.
It is priced at 0.001 USDC on Base.
seeded holdout assignment accepts payment on Base and Solana, 3 options in all, to 2 different wallets.
TOLL files seeded holdout assignment under randomness: a POST endpoint on api.delx.ai, listed in the Coinbase registry.
seeded holdout assignment answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
Closest in price to seeded holdout assignment within randomness: fortune at ladyfortunalx402.vercel.app and coinflip at coinflip402.vercel.app.
No comparable listing in randomness is cheaper.
The wallet paid by seeded holdout assignment is the payee of 241 endpoints on one host.
The seller's tags on seeded holdout assignment are seeded, decision and randomness, and its label is "agent-ops-math".
72 other listings in randomness 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 | 0.001 USDC | exact | 0x9f8bd9…5e73A2 |
| Coinbase | eip155: | USDC | 0.001 USDC | exact | 0x9f8bd9…5e73A2 |
| Coinbase | solana: | USDC | 0.001 USDC | exact | 28heAMpF…YYsemG |
the checks, as of 2026-09-15 06:16 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 06:16 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 05:47 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 05:40 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 07:57 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 11:51 UTC | pass | 0 | 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 2026-08-18 19:14 UTC · method · live
The input and output block
{
"input": {
"body": {
"seed": "holdout-1",
"subject": "buyer-9",
"holdout_fraction": 0.1
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"result": {
"group": "treatment",
"bucket": 0.5223946972379113
},
"schema": "delx/util-seeded-holdout-assignment/v1",
"status": "pass",
"evidence": {
"retained": false,
"input_sha256": "bd5b582a9597f6cff6a8c3ed859bd7cf28c6eac4c434b4828c22df3b23d6e4ef",
"external_calls": 0
},
"operation": "seeded_decision:seeded_holdout_assignment"
}
}
}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, "seeded holdout assignment on api.delx.ai", snapshot of 2026-09-15 21:20 UTC. https://tollindex.com/e/api-delx-ai-api-v1-x402-seeded-holdout-assignment-b3fa06/at/2026-09-15T21-20Z. Accessed [access date].
BibTeX
@misc{toll-e-api-delx-ai-api-v1-x402-seeded-holdout-assignment-b3fa06-2026-09-15T21-20Z,
author = {TOLL},
title = {seeded holdout assignment on api.delx.ai},
howpublished = {\url{https://tollindex.com/e/api-delx-ai-api-v1-x402-seeded-holdout-assignment-b3fa06/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.