passlisted in Coinbasecounted above 39% of Market data
5 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
- 2026-09-11 18:47 UTC
- First observed by TOLLderived
- 2026-09-11
- Pricederived
- 5 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 18 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.
ioswarm.io serves topup, a POST endpoint that TOLL places in market data, listed in the Coinbase registry.
A call to topup costs 5 USDC on Base, as declared.
topup takes the query parameter usd.
The output example is a json object with usd, balance, credits, credited and transaction.
topup answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
topup is the only listed endpoint on ioswarm.io.
Over 30 days: 2 calls, one payer.
topup was last called 4 days before the snapshot.
Closest in price to topup within market data: distribution balance exchanges relative at x402.glassnode.com and smart money netflow at api.nansen.ai.
topup is near the top of prices in market data; 100% of comparable listings are cheaper.
The payee wallet of topup appears on no other listing.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 5 USDC | exact | 0xe4b6e2…50eD8F |
the checks, as of 2026-09-15 04:52 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 04:52 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 04:47 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 04:44 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 07:01 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 23:16 UTC | pass | 0 | new-2026-09-11T23-16-41-776Z |
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 2026-09-11 18:47 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "POST",
"headers": {
"Authorization": "Bearer sk_swarm_…"
},
"queryParams": {
"usd": "5.00"
}
},
"output": {
"type": "json",
"example": {
"usd": 5,
"balance": 5000000,
"credits": 5000000,
"credited": true,
"transaction": "0x…"
}
}
}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, "topup on ioswarm.io", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/ioswarm-io-api-v1-x402-topup-5c7a0c/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-ioswarm-io-api-v1-x402-topup-5c7a0c-2026-09-15T16-57Z,
author = {TOLL},
title = {topup on ioswarm.io},
howpublished = {\url{https://tollindex.com/e/ioswarm-io-api-v1-x402-topup-5c7a0c/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.