passlisted in Coinbase#3 by calls of 11 on this host
0.02 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
- 2
- Last called
- 2026-09-14 01:02 UTC
- First observed by TOLLderived
- 2026-09-13
- Pricederived
- 0.02 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 2 times across 10 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.
TOLL first observed it on 2026-09-13.
At scopeapi.dev, answer takes POST requests, is listed in the Coinbase registry, and falls under inference by TOLL's rules.
On Base, answer asks 0.02 USDC per call.
Callers of answer supply a json body with the field query.
answer answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-13.
A response from answer, as declared, includes answer, status and sources.
Across Base and Solana it declares 2 ways to pay, to 2 different wallets.
answer shares scopeapi.dev with 10 other listed endpoints and is tied 3rd by calls with 4 others.
answer takes 10% of the calls counted across scopeapi.dev.
The registry's counters give answer 2 calls and 2 unique payers over 30 days, every call from a different payer.
The last call to answer came 2 days before the snapshot, 2026-09-14.
Closest in price to answer within inference: chat completions at agent402.tools and llm claude haiku at x402engine.app.
answer is priced above 64% of comparable listings in inference.
22 listed endpoints across 2 hosts pay to the same wallet.
The price of answer is declared by 102 other listings in inference too.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.02 USDC | exact | 0xD0cB67…4609Ce |
| Coinbase | solana: | USDC | 0.02 USDC | exact | CBLvRo73…MnRP43 |
the checks, as of 2026-09-15 04:03 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 04:03 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 04:01 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 04:48 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-13 04:47 UTC | pass | 0 | new-2026-09-13T04-47-31-463Z |
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 2026-09-14 01:02 UTC · method · live
The input and output block
{
"input": {
"body": {
"query": "What is x402?"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"answer": "Source-backed research result",
"status": "ok",
"sources": []
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-15 16:57 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "answer on scopeapi.dev", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/scopeapi-dev-answer-16921a/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-scopeapi-dev-answer-16921a-2026-09-15T16-57Z,
author = {TOLL},
title = {answer on scopeapi.dev},
howpublished = {\url{https://tollindex.com/e/scopeapi-dev-answer-16921a/at/2026-09-15T16-57Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-15 16:57 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.