passlisted in Coinbase#8 by calls of 11 on this host
0.011 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
- 2026-10-13 10:50 UTC
- First observed by TOLLderived
- 2026-10-13
- Pricederived
- 0.011 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 2 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.
exa answer is one of 11 listed endpoints on api.ai-open-models.com, tied 8th by calls with 2 others among them.
exa answer takes a json body with the fields query and system_prompt.
The declared response carries answer, citations and request_id.
exa answer drew 2 calls from one payer in the trailing 30 days.
The last call to exa answer came 19 days before the snapshot, 2026-10-13.
Each call is priced at 0.011 USDC, payable on Base.
exa answer takes 1% of the calls counted across api.ai-open-models.com.
At api.ai-open-models.com, exa answer takes POST requests, is listed in the Coinbase registry, and falls under inference by TOLL's rules.
exa answer answered the sweep of 2026-10-30 with a valid 402, as at every sweep since 2026-10-13.
Closest in price to exa answer within inference: council at council.cyberwarex.com and chat completions at agent402.tools.
Among comparable prices in inference, exa answer sits above 64% of them.
The payee wallet is shared by 12 listings across 2 hosts.
The seller's tags on exa answer are web-answer, web-search, citations and exa.
the payment options, as of 2026-11-01 05:59 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.011 USDC | exact | 0xdcdf18…115caE |
the checks, as of 2026-10-30 08:20 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-30 08:20 UTC | pass | 0 | daily-2026-10-30 |
| 2026-10-29 08:00 UTC | pass | 0 | daily-2026-10-29 |
| 2026-10-28 08:24 UTC | pass | 0 | daily-2026-10-28 |
| 2026-10-27 08:10 UTC | pass | 0 | daily-2026-10-27 |
| 2026-10-26 13:28 UTC | pass | 0 | daily-2026-10-26 |
| 2026-10-23 08:13 UTC | pass | 0 | daily-2026-10-23 |
| 2026-10-22 06:30 UTC | pass | 0 | daily-2026-10-22 |
| 2026-10-21 10:49 UTC | pass | 0 | daily-2026-10-21 |
| 2026-10-20 10:24 UTC | pass | 0 | daily-2026-10-20 |
| 2026-10-19 07:58 UTC | pass | 0 | daily-2026-10-19 |
| 2026-10-18 10:02 UTC | pass | 0 | daily-2026-10-18 |
| 2026-10-17 20:13 UTC | pass | 0 | daily-2026-10-17 |
| 2026-10-16 06:13 UTC | pass | 0 | daily-2026-10-16 |
| 2026-10-15 07:56 UTC | pass | 0 | daily-2026-10-15 |
| 2026-10-14 06:04 UTC | pass | 0 | daily-2026-10-14 |
| 2026-10-13 14:32 UTC | pass | 0 | daily-2026-10-13 |
| 2026-10-13 14:16 UTC | pass | 0 | new-after-daily-2026-10-13 |
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 2026-10-13 10:50 UTC · method · live
The input and output block
{
"input": {
"body": {
"query": "What are the latest production uses of x402 payments?",
"system_prompt": "Provide a concise, evidence-based answer and cite the most relevant sources."
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"answer": "x402 is being used to meter access to APIs, model inference, and agent tools through per-request payments.",
"citations": [
{
"id": "https://example.com/x402",
"url": "https://example.com/x402",
"title": "Production adoption of x402 payments",
"author": "Example Author",
"published_date": "2026-10-01T00:00:00.000Z"
}
],
"request_id": "web-answer-example"
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-11-01 05:59 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "exa answer on api.ai-open-models.com", snapshot of 2026-11-01 05:59 UTC. https://tollindex.com/e/api-ai-open-models-com-v1-exa-answer-5bf195/at/2026-11-01T05-59Z. Accessed [access date].
BibTeX
@misc{toll-e-api-ai-open-models-com-v1-exa-answer-5bf195-2026-11-01T05-59Z,
author = {TOLL},
title = {exa answer on api.ai-open-models.com},
howpublished = {\url{https://tollindex.com/e/api-ai-open-models-com-v1-exa-answer-5bf195/at/2026-11-01T05-59Z}},
year = {2026},
month = {11},
note = {Pinned view of the snapshot of 2026-11-01 05:59 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.