passlisted in Coinbase#25 by calls of 361 on this host
0.003 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 60% / 60% / 60%
- Calls, trailing 30 days
- 1
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-09-25 01:15 UTC
- First observed by TOLLderived
- 2026-09-25
- Pricederived
- 0.003 USDC
- Networks
- 3
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 20 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.
Among the 361 endpoints on twin.unykorn.org, ai keywords is tied 25th by calls with 336 others.
The request to ai keywords is a json body with the field params.
ai keywords returns json; the example shows ok, type, receipt, sources, limitations, generated_at and 1 other.
ai keywords drew a single call from a single payer in the trailing 30 days.
The last call to ai keywords came 6 days before the snapshot, 2026-09-25.
A call to ai keywords costs 0.003 USDC on Base, as declared.
For ai keywords the listing declares 3 accepts on Base, Polygon and Solana, to 2 different wallets.
ai keywords is a POST endpoint at twin.unykorn.org, listed in the Coinbase registry and filed by TOLL under inference.
ai keywords answered the sweep of 2026-09-30 with a valid 402, passing 3 of 5 sweeps since 2026-09-25.
Closest in price to ai keywords within inference: chat completions at x402.telnyx.com and chat completions at api.surplusintelligence.ai.
Among comparable prices in inference, ai keywords sits above 14% of them.
For 1 of the options on ai keywords, TOLL has no verified decimals and shows the raw amount.
The wallet paid by ai keywords is the payee of 362 endpoints on one host.
The seller's tags on ai keywords are keywords, tagging, seo and nlp.
The price of ai keywords is declared by 98 other listings in inference too.
the payment options, as of 2026-09-30 22:14 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.003 USDC | exact | 0x7d9a65…c156DB |
| Coinbase | eip155: | USDC | 0.003 USDC | exact | 0x7d9a65…c156DB |
| Coinbase | solana: | EPjFWdd5…yTDt1v | 3000 smallest units, decimals unknown | exact | FN9TC2Sc…jXLwY1 |
the checks, as of 2026-09-30 06:51 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-30 06:51 UTC | pass | 0 | daily-2026-09-30 |
| 2026-09-29 19:09 UTC | pass | 0 | daily-2026-09-29 |
| 2026-09-28 05:57 UTC | pass | 0 | daily-2026-09-28 |
| 2026-09-25 20:41 UTC | fail | 1 | daily-2026-09-25 |
| 2026-09-25 19:19 UTC | fail | 1 | new-after-daily-2026-09-24 |
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 2026-09-25 01:15 UTC · method · live
The input and output block
{
"input": {
"body": {
"params": {
"text": "x402 lets AI agents pay per API call in USDC over HTTP using the 402 status code."
}
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"ok": true,
"type": "text-keywords",
"receipt": {
"tx_hash": "0x<64hex>",
"amount_usd": 0.003,
"receipt_id": "g402-<16hex>"
},
"sources": [
{
"ok": true,
"name": "<source>"
}
],
"limitations": "<text>",
"generated_at": "<iso time>",
"evidence_hash": "sha256:<64hex>"
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-30 22:14 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "ai keywords on twin.unykorn.org", snapshot of 2026-09-30 22:14 UTC. https://tollindex.com/e/twin-unykorn-org-ai-keywords-541c0a/at/2026-09-30T22-14Z. Accessed [access date].
BibTeX
@misc{toll-e-twin-unykorn-org-ai-keywords-541c0a-2026-09-30T22-14Z,
author = {TOLL},
title = {ai keywords on twin.unykorn.org},
howpublished = {\url{https://tollindex.com/e/twin-unykorn-org-ai-keywords-541c0a/at/2026-09-30T22-14Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-30 22:14 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.