passlisted in Coinbasecounted above 87% of Communications
0.01 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
- 10
- Unique payers, trailing 30 days
- 2
- Last called
- 2026-09-14 20:02 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.01 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 2 times 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.
callbacks is a POST endpoint at api.exende.dev, listed in the Coinbase registry and filed by TOLL under communications.
callbacks is priced at 0.01 USDC on Base.
The listing declares an input block with no named parameters.
callbacks declares nothing about its output; validate flags that as advisory, not a verdict.
callbacks answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
callbacks is the only listed endpoint on api.exende.dev.
The registry's counters give callbacks 10 calls and 2 unique payers over 30 days, about 5 calls per payer.
callbacks was last called 1 day before the snapshot.
Closest in price to callbacks within communications: tweets user at x402.twit.sh and following at readx.sh.
Among comparable prices in communications, callbacks sits above 32% of them.
callbacks out-counts 87% of the 451 endpoints in communications that carry counters.
The wallet paid by callbacks is the payee of 3 endpoints across 3 hosts.
The price of callbacks is declared by 162 other listings in communications too.
the payment options, as of 2026-09-15 21:20 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.01 USDC | exact | 0x9d2526…f1a3f9 |
the checks, as of 2026-09-15 04:01 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 04:01 UTC | pass | 1 | daily-2026-09-15 |
| 2026-09-14 04:00 UTC | pass | 1 | daily-2026-09-14 |
| 2026-09-13 03:59 UTC | pass | 1 | daily-2026-09-13 |
| 2026-09-12 06:15 UTC | pass | 1 | daily-2026-09-12 |
| 2026-09-11 09:40 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 2026-09-14 20:02 UTC · method · live
The input and output block
{
"input": {
"body": {},
"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, "callbacks on api.exende.dev", snapshot of 2026-09-15 21:20 UTC. https://tollindex.com/e/api-exende-dev-v1-callbacks-13c29f/at/2026-09-15T21-20Z. Accessed [access date].
BibTeX
@misc{toll-e-api-exende-dev-v1-callbacks-13c29f-2026-09-15T21-20Z,
author = {TOLL},
title = {callbacks on api.exende.dev},
howpublished = {\url{https://tollindex.com/e/api-exende-dev-v1-callbacks-13c29f/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.