passlisted in Coinbase#13 by calls of 62 on this host
0.005 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
- 3
- Unique payers, trailing 30 days
- 2
- Last called
- 2026-10-01 05:09 UTC
- First observed by TOLLderived
- 2026-09-30
- Pricederived
- 0.005 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's first observation of callbacks was 2026-09-30.
At api.x-402.online, callbacks takes POST requests, is listed in the Coinbase registry, and falls under communications by TOLL's rules.
callbacks is priced at 0.005 USDC on Base.
Its declared inputs are the query parameters label and ttl_hours.
callbacks answered the sweep of 2026-10-03 with a valid 402, as at every sweep since 2026-09-30.
A response from callbacks, as declared, includes id, limits, events_url, expires_at and callback_url.
callbacks accepts payment on Base and Solana, 2 options in all, to 2 different wallets.
Of api.x-402.online's 62 listings, callbacks ranks tied 13th by calls with 16 others.
2% of the host's counted calls go to it.
callbacks drew 3 calls from 2 unique payers in the trailing 30 days.
The last call to callbacks came 2 days before the snapshot, 2026-10-01.
Closest in price to callbacks within communications: twitter search at glim.sh and email deliverability at x402.agentutility.ai.
callbacks is priced above 13% of comparable listings in communications.
96 listed endpoints on one host pay to the same wallet.
The price of callbacks is declared by 36 other listings in communications too.
the payment options, as of 2026-10-03 11:37 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.005 USDC | exact | 0x2c871C…27735F |
| Coinbase | solana: | USDC | 0.005 USDC | exact | 3tvSUk2R…x3bVgs |
the checks, as of 2026-10-03 07:24 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-03 07:24 UTC | pass | 0 | daily-2026-10-03 |
| 2026-10-02 16:32 UTC | pass | 0 | daily-2026-10-02 |
| 2026-10-01 09:16 UTC | pass | 0 | daily-2026-10-01 |
| 2026-09-30 12:34 UTC | pass | 0 | new-after-daily-2026-09-30 |
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 2026-10-01 05:09 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "POST",
"queryParams": {
"label": "job-42",
"ttl_hours": 24
}
},
"output": {
"type": "json",
"example": {
"id": "3f9c0a1e5b7d4c2a9e8f6b1d0c3a5e7f",
"limits": {
"max_events": 100,
"max_body_bytes": 65536
},
"events_url": "https://api.x-402.online/hook/3f9c0a1e5b7d4c2a9e8f6b1d0c3a5e7f/events?key=…",
"expires_at": "2026-10-01T12:00:00.000Z",
"callback_url": "https://api.x-402.online/hook/3f9c0a1e5b7d4c2a9e8f6b1d0c3a5e7f"
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-10-03 11:37 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.x-402.online", snapshot of 2026-10-03 11:37 UTC. https://tollindex.com/e/api-x-402-online-v1-callbacks-c28b21/at/2026-10-03T11-37Z. Accessed [access date].
BibTeX
@misc{toll-e-api-x-402-online-v1-callbacks-c28b21-2026-10-03T11-37Z,
author = {TOLL},
title = {callbacks on api.x-402.online},
howpublished = {\url{https://tollindex.com/e/api-x-402-online-v1-callbacks-c28b21/at/2026-10-03T11-37Z}},
year = {2026},
month = {10},
note = {Pinned view of the snapshot of 2026-10-03 11:37 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.